CN104092460B - Calibration control method and device for oscillator and electronic device - Google Patents
Calibration control method and device for oscillator and electronic device Download PDFInfo
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- CN104092460B CN104092460B CN201410363736.5A CN201410363736A CN104092460B CN 104092460 B CN104092460 B CN 104092460B CN 201410363736 A CN201410363736 A CN 201410363736A CN 104092460 B CN104092460 B CN 104092460B
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Abstract
The invention discloses a calibration control method and device for an oscillator and an electronic device. The method comprises the first step of controlling an oscillating circuit of the oscillator to be connected with different capacitors, the second step of controlling the states of a transmitting circuit, a power amplifying circuit and a receiving circuit according to the working mode of the electronic device under each capacitor connected with the oscillating circuit, the third step of controlling each circuit in the working state to work at different powers in each working mode, and obtaining first frequency at each working power in an obtaining mode corresponding to the working mode, the fourth step of calculating the output frequency of the oscillator according to the first frequency and frequency doubling parameters of the local oscillator, and the fifth step of establishing the corresponding relations between the capacitors, the output frequency and the working power in each working mode. In this way, it is guaranteed that the established corresponding relation between the capacitors and the output frequency of the oscillator accords with the actual working state of the electronic device, then the frequency error of the oscillator is lowered, and the frequency performance of the oscillator is improved.
Description
Technical field
The present invention relates to oscillator technique field, more particularly to a kind of adjustment controlling means of oscillator, dress
Put and electronic equipment.
Background technology
Oscillator be a kind of for producing the electronic component of repetition electric signal (typically sine wave or square wave), composition is shaken
The circuit swinging device is referred to as oscillating circuit.Oscillator is widely used in various electronic equipments, is the radiating circuit of electronic equipment
There is provided reference frequency with the local oscillator of receiving circuit.
Wherein, electronic equipment, before using oscillator, is required for oscillator is calibrated.Specifically, electronic equipment
Control radiating circuit in running order, and make the power amplification circuit work in a low-power state being connected with radiating circuit
Make, frequency multiplication is carried out to the signal that radiating circuit is launched by power amplifier, the signal after testing frequency multiplication, calculate vibration
The corresponding output frequency of device, and then set up the corresponding relation of different electric capacity and output frequency in oscillator.Actual in electronic equipment
In work, then can be by adjusting the electric capacity of oscillator thus controlling the output frequency of oscillator.
But, because electronic equipment is in real work, the mode of operation of electronic equipment simultaneously differs, and is probably such as to launch
Circuit in running order it is also possible to receiving circuit in running order it is also possible to radiating circuit and receiving circuit simultaneously
In running order, additionally, radiating circuit, power amplification circuit, receiving circuit are in not operating power in the same time completely not yet
With.And the calibration of oscillator is in running order in radiating circuit, and the power amplification circuit work being connected with radiating circuit
Work is carried out at lower power, therefore, the actual work of the electric capacity set up and the corresponding relation of output frequency and electronic equipment
Make state and do not correspond, so lead to oscillator frequency deviation larger, reduce the frequency performance of oscillator.
Content of the invention
In view of this, the present invention provide a kind of adjustment controlling means of oscillator, to solve in prior art, oscillator
Electric capacity is not inconsistent with the actual working state of electronic equipment with the corresponding relation of output frequency, leads to the frequency deviation of oscillator larger, fall
The low technical problem of the frequency performance of oscillator.
For achieving the above object, the present invention provides following technical scheme：
A kind of adjustment controlling means of oscillator, are applied in electronic equipment, described electronic equipment include radiating circuit and
Described radiating circuit be connected power amplification circuit, receiving circuit, respectively with described power amplification circuit and described receiving circuit
The test cell that connected communication unit and described communication unit are connected, described oscillator is used for as described radiating circuit and institute
The local oscillator stating receiving circuit provides reference frequency, and the method includes：
The oscillating circuit controlling described oscillator accesses different electric capacity；
Under each electric capacity that described oscillating circuit accesses, the mode of operation according to described electronic equipment controls described transmitting
The state of circuit, described power amplification circuit and described receiving circuit；Described radiating circuit, described power amplification circuit and
The state of described receiving circuit includes working condition and non-working condition；
Under each mode of operation, control each in running order under circuit work under different operating power, and
Obtain the first frequency under each operating power using acquisition modes corresponding with described mode of operation；
Frequency parameter according to described first frequency and described local oscillator calculates the output frequency of described oscillator；
Under each mode of operation, set up the corresponding relation of electric capacity, output frequency and operating power.
Preferably, the mode of operation of described electronic equipment includes the first mode of operation, the second mode of operation and the 3rd work
Pattern；
In this first operative mode, described radiating circuit, described power amplification circuit and described receiving circuit are all located
In working condition；
Under described second mode of operation, described radiating circuit and described power amplification circuit are in running order, described
Receiving circuit is in non-working condition；
Under described 3rd mode of operation, described radiating circuit and described power amplification circuit are in non-working condition, institute
State receiving circuit in running order.
Preferably, when described electronic equipment is under the first mode of operation or the second mode of operation, described test cell
For testing the signal frequency of described power amplification circuit output, described foundation acquisition modes corresponding with described mode of operation obtain
The first frequency under each operating power is taken to be specially：
Obtain the first frequency under each operating power that described test cell is tested.
Preferably, it is under the 3rd mode of operation in described electronic equipment, described test cell is used for launching second frequency
Signal；
The first frequency that described foundation acquisition modes corresponding with described mode of operation obtain under each operating power is concrete
For：
Obtain that described receiving circuit is sent to the signal of base band and described test cell is launched under each operating power
Second frequency signal；
Calculate described under each operating power according to the frequency of signal being sent to described base band and described second frequency
The first frequency shaking.
Preferably, when described electronic equipment is in running order, described under each mode of operation, set up electric capacity, defeated
Also include after going out frequency and the corresponding relation of operating power：
Detect mode of operation residing for described electronic equipment and in running order under circuit operating power；
In the corresponding relation under mode of operation residing in described electronic equipment, search electricity corresponding with described operating power
Hold；
Access electric capacity according to the oscillating circuit described in Capacity control finding.
A kind of calibration control device of oscillator, is applied in electronic equipment, described electronic equipment include radiating circuit and
Described radiating circuit be connected power amplification circuit, receiving circuit, respectively with described power amplification circuit and described receiving circuit
The test cell that connected communication unit and described communication unit are connected, described oscillator is used for as described radiating circuit and institute
The local oscillator stating receiving circuit provides reference frequency, and this device includes：
First control unit, the oscillating circuit for controlling described oscillator accesses different electric capacity；
Second control unit, under each electric capacity that described oscillating circuit accesses, according to the work of described electronic equipment
Operation mode controls the state of described radiating circuit, described power amplification circuit and described receiving circuit；Described radiating circuit, institute
State power amplification circuit and the state of described receiving circuit includes working condition and non-working condition；
Control acquiring unit, under each mode of operation, control each in running order under circuit in difference
Work under operating power, and obtain the first frequency under each operating power using acquisition modes corresponding with described mode of operation
Rate；
First computing unit, calculates described oscillator for the frequency parameter according to described first frequency and described local oscillator
Output frequency；
First sets up unit, under each mode of operation, setting up electric capacity, output frequency pass corresponding with operating power
System.
Preferably, the mode of operation of described electronic equipment includes the first mode of operation, the second mode of operation and the 3rd work
Pattern；
In this first operative mode, described radiating circuit, described power amplification circuit and described receiving circuit are all located
In working condition；
Under described second mode of operation, described radiating circuit and described power amplification circuit are in running order, described
Receiving circuit is in non-working condition；
Under described 3rd mode of operation, described radiating circuit and described power amplification circuit are in non-working condition, institute
State receiving circuit in running order.
Preferably, when described electronic equipment is under the first mode of operation or the second mode of operation, described test cell
For testing the signal frequency of described power amplification circuit output, described control acquiring unit specifically for：In each Working mould
Under formula, control each in running order under circuit work under different operating power, and obtain described test cell and surveyed
First frequency under each operating power of examination.
Preferably, it is under the 3rd mode of operation in described electronic equipment, described test cell is used for launching second frequency
Signal；
Described control acquiring unit includes controlling acquisition module and computing module；
Described control acquisition module be used under each mode of operation, control each in running order under circuit not
Work with operating power, and obtain described receiving circuit and be sent to the signal of base band and described test cell in each work
The signal of the second frequency of transmitting under power；
Described computing module is used for each according to the frequency of signal being sent to described base band and the calculating of described second frequency
The first frequency of described local oscillator under operating power.
Preferably, when described electronic equipment is in running order, also include：
First detector unit, for detect mode of operation residing for described electronic equipment and in running order under electricity
The operating power on road；
First searching unit, for, in the corresponding relation under the mode of operation residing in described electronic equipment, searching and institute
State the corresponding electric capacity of operating power；
3rd control unit, for the access electric capacity according to the oscillating circuit described in Capacity control finding.
A kind of electronic equipment is it is characterised in that include the calibration control device of the as above oscillator described in any one.
Understand via above-mentioned technical scheme, compared with prior art, embodiments provide a kind of oscillator
Adjustment controlling means, oscillator can provide reference frequency for the local oscillator of the radiating circuit of electronic equipment and receiving circuit, at this
In method, under each electric capacity of the oscillating circuit access of oscillator, the mode of operation control radiating circuit of foundation electronic equipment,
Power amplification circuit and the state of receiving circuit, and under each mode of operation, the circuit under control is in running order exists
Work under different operating powers, and obtain the first frequency under each operating power using acquisition modes corresponding with mode of operation
Rate；Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator, to set up under each mode of operation, electricity
The corresponding relation of appearance, output frequency and operating power, thus ensure that the electric capacity of set up oscillator and the corresponding of output frequency
Relation is consistent with the actual working state of electronic equipment, and then reduces the frequency error of oscillator, improves the frequency of oscillator
Energy.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is the structural representation of a kind of electronic equipment disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the adjustment controlling means of oscillator disclosed in one embodiment of the invention；
Fig. 3 is the schematic flow sheet of the adjustment controlling means of oscillator disclosed in another embodiment of the present invention；
Fig. 4 is the structural representation of the calibration control device of oscillator disclosed in one embodiment of the invention；
Fig. 5 is the structural representation of the calibration control device of oscillator disclosed in another embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The invention discloses a kind of adjustment controlling means of oscillator, device and electronic equipment, oscillator can be electronics
The local oscillator of the radiating circuit of equipment and receiving circuit provides reference frequency, in the method, accesses in the oscillating circuit of oscillator
Each electric capacity under, control the shape of radiating circuit, power amplification circuit and receiving circuit according to the mode of operation of electronic equipment
State, and under each mode of operation, controls in running order lower circuit to work under different operating powers, and utilization with
The corresponding acquisition modes of mode of operation obtain the first frequency under each operating power；Frequency multiplication according to first frequency and local oscillator
Parameter calculates the output frequency of oscillator, to set up under each mode of operation, and electric capacity, output frequency are corresponding with operating power to close
System, thus ensure the actual working state phase of the electric capacity of the set up oscillator corresponding relation with output frequency and electronic equipment
Symbol, and then reduce the frequency error of oscillator, improve the frequency performance of oscillator.
One embodiment of the invention discloses a kind of adjustment controlling means of oscillator, can apply to mobile phone, palm electricity
In the electronic equipments such as brain, panel computer.
Fig. 1 shows a kind of structural representation of electronic equipment, as shown in figure 1, this electronic equipment can include transmitting electricity
Road 100, power amplification circuit 200, receiving circuit 300, communication unit 400, test cell 500, local oscillator 600；Wherein：
Power amplification circuit 200 is connected with radiating circuit 100, for the signal of amplification emissioning circuit 100 transmitting；
Communication unit 400 is connected with power amplification circuit 200 and receiving circuit 300 respectively, receives for receiving circuit
Signal and the signal of power amplification circuit generation；
Specifically, for the electronic equipment of frequency division multiplexing communication system, communication unit can be duplexer；Multiple for the time-division
With the electronic equipment of communication system, communication unit can be switch.
Test cell 500 is connected with communication unit 400.
The local oscillator 600 that oscillator 700 is used for as radiating circuit 100 and receiving circuit 300 provides reference frequency.
As shown in Fig. 2 the method may comprise steps of：
Step 201：The oscillating circuit controlling oscillator accesses different electric capacity；
The oscillating circuit of oscillator is typically made up of multiple electric capacity, can access the individual of electric capacity by controlling in oscillating circuit
Count and to make the different frequencies of oscillating circuit output；Therefore, in oscillator calibration procedure, can control oscillating circuit access
Different electric capacity, to determine output frequency under different electric capacity for the oscillating circuit.
Step 202：Under each electric capacity that oscillator accesses, the mode of operation control radiating circuit of foundation electronic equipment,
Power amplification circuit and the state of receiving circuit；
Wherein, the state of radiating circuit, power amplification circuit and receiving circuit includes working condition and non-working condition；
Electronic equipment includes multiple-working mode, under different mode of operations, radiating circuit, power amplification circuit and connect
The state receiving circuit is different；And in order to realize the calibration to oscillator under the real work state of electronic equipment, therefore,
The state of radiating circuit, power amplification circuit and receiving circuit can be controlled according to the mode of operation of electronic equipment.
As electronic equipment can include three kinds of mode of operations, i.e. the first mode of operation, the second mode of operation and the 3rd work
Pattern；
It is under the first mode of operation in electronic equipment, radiating circuit, power amplification circuit and receiving circuit are in work
Make state；
It is under the second mode of operation in electronic equipment, radiating circuit and power amplification circuit are in running order, receive
Circuit is in non-working condition；
It is under the 3rd mode of operation in electronic equipment, radiating circuit and power amplification circuit are in non-working condition, connect
Receive circuit in running order.
Three of the above mode of operation is the common mode of operation of electronic equipment, for other mode of operations of electronic equipment
Also within protection scope of the present invention.
In the present invention, control electronics can be carried out and are in different Working moulds under each electric capacity of oscillating circuit
Formula.
Step 203：Under each mode of operation, control each in running order under circuit under different operating power
Work, and obtain the first frequency under each operating power using acquisition modes corresponding with mode of operation；
Electronic equipment under each mode of operation, each in running order under circuit be respectively provided with multiple operating powers；
For example, when electronic equipment in the first operation mode when, the operating power of radiating circuit can include power P 1, power P 2 and work(
Rate P3；The operating power of power amplification circuit can include power P 4, power P 5 and power P 6；The operating power of receiving circuit can
To include power P 7, power P 8, power P 9.
It should be noted that change a certain in running order under circuit operating power when, can accordingly change
The operating power of the circuit under other are in running order it is also possible to do not change other in running order under circuit work
Power it is also possible to changing section other in running order under circuit operating power, concrete condition all can be according to electronics
Equipment under actual working state, in running order under the conventional matching way of circuit depending on, the present invention do not have have
Body limits.
For example, taking the first mode of operation as a example, when changing the operating power of radiating circuit, can accordingly change power and put
Big circuit and the operating power of receiving circuit；Specifically, can first control radiating circuit in 1 time work of power P, control power to put
Big circuit is in 4 times work of power P, control receiving circuit in 7 times work of power；Obtained using acquisition modes corresponding with mode of operation
Take radiating circuit in power P 1 time work, control power amplification circuit in power P 4, receiving circuit work for 7 time in power P the
One frequency；Control radiating circuit in 2 times work of power P again, control power amplification circuit in 5 times work of power P, control reception electricity
Road is in 8 times work of power P；Obtain radiating circuit in 2 times work of power P using acquisition modes corresponding with mode of operation, control
, in power P 5, receiving circuit is in the first frequency of 8 times work of power P for power amplification circuit.
For example, taking the first mode of operation as a example, when changing the operating power of radiating circuit, power amplification can not be changed
Circuit and the operating power of receiving circuit；Specifically, can first control radiating circuit in 1 time work of power P, control power amplification
Circuit is in 5 times work of power P, control receiving circuit in 8 times work of power P；Obtained using acquisition modes corresponding with mode of operation
Take radiating circuit in power P 1 time work, control power amplification circuit in power P 5, receiving circuit work for 8 time in power P the
One frequency；Control radiating circuit in 2 times work of power P again, control power amplification circuit still in 5 times work of power P, control
Receiving circuit is still in 8 times work of power P；Obtain radiating circuit using acquisition modes corresponding with mode of operation in 2 times works of power P
Make, control power amplification circuit in power P 5, receiving circuit is in the first frequency of 8 times work of power P.
For example, taking the first mode of operation as a example, when changing the operating power of radiating circuit, power amplification can only be changed
The operating power of circuit；Specifically, can first control radiating circuit in 1 time work of power P, control power amplification circuit in power
Work under P5, control receiving circuit in 8 times work of power P；Obtain radiating circuit using acquisition modes corresponding with mode of operation
In 1 time work of power P, control power amplification circuit in power P 5, receiving circuit is in the first frequency of 8 times work of power P；Control again
System controls radiating circuit in 2 times work of power P, controls power amplification circuit in 6 times work of power P, controls receiving circuit still to exist
8 times work of power P；Obtain radiating circuit in 2 times work of power P using acquisition modes corresponding with mode of operation, control power
, in power P 6, receiving circuit is in the first frequency of 8 times work of power P for amplifying circuit.
Wherein, in the present invention, mode of operation is different, and the mode obtaining first frequency is also different, accordingly, it would be desirable to using with
The corresponding acquisition modes of mode of operation obtain the first frequency under each operating power.
Step 204：Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator；
Wherein, first frequency is the frequency after the output frequency of local oscillator frequency-multiplication oscillator, then, by first frequency with again
Frequency parameter can calculate the output frequency of oscillator.
Step 205：Under each mode of operation, set up the corresponding relation of electric capacity, output frequency and operating power.
Wherein, under each electric capacity that oscillator accesses, electronic equipment is respectively provided with multiple-working mode, and in each work
Under pattern, each in running order under circuit can be operated under different operating powers, and under each operating power
Finally all can be calculated an output frequency；By under each mode of operation, setting up electric capacity, output frequency and work work(
The corresponding relation of rate, and this corresponding relation is stored in electronic equipment so that electronic equipment is in real work, can be according to it
Residing mode of operation, in running order under circuit operating power, to control the access electric capacity of oscillator.
In embodiments of the present invention, oscillator can provide ginseng for the local oscillator of the radiating circuit of electronic equipment and receiving circuit
Examine frequency, in the method, under each electric capacity of the oscillating circuit access of oscillator, according to the mode of operation control of electronic equipment
The state of radiating circuit processed, power amplification circuit and receiving circuit, and under each mode of operation, control in running order
Under circuit work under different operating powers, and obtain each operating power using acquisition modes corresponding with mode of operation
Under first frequency；Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator, to set up each work
Under operation mode, the corresponding relation of electric capacity, output frequency and operating power, thus ensure electric capacity and the output frequency of set up oscillator
The corresponding relation of rate is consistent with the actual working state of electronic equipment, and then reduces the frequency error of oscillator, improves oscillator
Frequency performance.
For ease of understanding, the present invention further describes the access electricity it is assumed that the oscillating circuit of oscillator with an example
Hold and include C1, C2, C3；The mode of operation of electronic equipment includes the first mode of operation, the second mode of operation and the 3rd Working mould
Formula；Under first mode of operation, in running order under circuit include radiating circuit, power amplification circuit and receiving circuit；
Under second mode of operation, in running order under circuit include radiating circuit and power amplification circuit；Under 3rd mode of operation,
Circuit under in running order includes receiving circuit；
In the first operation mode, the operating power matching relationship of radiating circuit, power amplification circuit and receiving circuit
For：
The operating power P1 of radiating circuit, the operating power P4 of power amplification circuit, the operating power P7 of receiving circuit；
The operating power P2 of radiating circuit, the operating power P5 of power amplification circuit, the operating power P7 of receiving circuit.
In the second operation mode, radiating circuit and power amplification circuit matching relationship are：
The operating power P1 of radiating circuit, the operating power P4 of power amplification circuit；
The operating power P1 of radiating circuit, the operating power P5 of power amplification circuit.
In the second operation mode, the operating power of receiving circuit includes P7 and P8
So in the present invention it is possible to comprise the following steps：
Step S1：Oscillating circuit is controlled to access electric capacity C1；
Step S2：When pierce circuit accesses electric capacity C1, control transmitting electricity according to the first mode of operation of electronic equipment
Road, power amplification circuit and receiving circuit are in running order；
Step S3：The operating power controlling radiating circuit is P1, the operating power of power amplification circuit is P4, receiving circuit
Operating power be P7, obtain the first frequency F1 under this operating power using acquisition modes corresponding with the first mode of operation；
Step S4：Frequency parameter according to first frequency F1 and local oscillator calculates the output frequency f1 of oscillator；
Step S5：In the first operation mode, set up electric capacity C1, output frequency f1 and radiating circuit operating power P1,
The operating power P4 of power amplification circuit, the corresponding relation of the operating power P7 of receiving circuit；
Step S6：When pierce circuit accesses electric capacity C1, control transmitting electricity according to the first mode of operation of electronic equipment
Road, power amplification circuit and receiving circuit are in running order；
Step S7：The operating power controlling radiating circuit is P2, the operating power of power amplification circuit is P5, receiving circuit
Operating power be P7, obtain the first frequency F2 under this operating power using acquisition modes corresponding with the first mode of operation；
Step S8：Frequency parameter according to first frequency F2 and local oscillator calculates the output frequency f2 of oscillator；
Step S9：In the first operation mode, set up electric capacity C1, output frequency f2 and radiating circuit operating power P2,
The operating power P5 of power amplification circuit, the corresponding relation of the operating power P7 of receiving circuit；
The like, in the case that oscillator accesses electric capacity C1, then carry out according to the second mode of operation of electronic equipment
Subsequently a series of operation；3rd mode of operation of electronic equipment carries out subsequently a series of operation successively again.
Subsequently, then control electronics access electric capacity C3, more respectively according to the first mode of operation of electronic equipment, the second work
Operation mode and the 3rd mode of operation carry out subsequently a series of operation.
In the present invention, the difference of mode of operation is so that the acquisition modes of first frequency also not phase under each operating power
With；Wherein：
When electronic equipment is under the first mode of operation or the second mode of operation, radiating circuit and power amplification circuit are equal
In running order, therefore, communication unit can receive the signal of the transmitting of the radiating circuit after amplifying, phase by power amplification unit
Answer, test cell can test the signal frequency of the power amplification circuit output of communication unit reception.
Accordingly, obtain the first frequency under each operating power according to acquisition modes corresponding with mode of operation specifically may be used
Think：Obtain the first frequency under each operating power that test cell is tested.
This first frequency is the frequency after the output frequency of local oscillator frequency-multiplication oscillator.
Wherein, in the present embodiment, it is under the first mode of operation in electronic equipment, radiating circuit, power amplification circuit
It is in working condition with receiving circuit；
It is under the second mode of operation in electronic equipment, radiating circuit and power amplification circuit are in running order, receive
Circuit is in non-working condition.
When electronic equipment is under the 3rd mode of operation, receiving circuit is in running order, and radiating circuit and power
Amplifying circuit is in non-working condition；And receiving circuit can send the base band sending signal to electronic equipment, now, test
Unit itself can launch the signal of second frequency；
Accordingly, the first frequency obtaining under each operating power according to acquisition modes corresponding with mode of operation is concrete
For：
Obtain receiving circuit and be sent to the second frequency that the signal of base band and test cell are launched under each operating power
The signal of rate；
Wherein, when electronic equipment is under the 3rd mode of operation, receiving circuit can be controlled to be operated in different work
Under power, and receiving circuit can be by it under each operating power, to the base band sending signal of electronic equipment；Test cell can
To launch the signal of second frequency under each operating power of receiving circuit.
Calculate the first frequency of local oscillator under each operating power according to the signal frequency being sent to base band and second frequency.
Wherein, first frequency is equal to signal frequency and the second frequency sum of base band, is the output of local oscillator frequency-multiplication oscillator
Frequency after frequency.
Another embodiment of the present invention also discloses a kind of adjustment controlling means of oscillator, as shown in figure 3, the method is permissible
Comprise the following steps：
Step 301：The oscillating circuit controlling oscillator accesses different electric capacity；
Step 302：Under each electric capacity that oscillator accesses, the mode of operation control radiating circuit of foundation electronic equipment,
Power amplification circuit and the state of receiving circuit；
Step 303：Under each mode of operation, control each in running order under circuit under different operating power
Work, and obtain the first frequency under each operating power using acquisition modes corresponding with mode of operation；
Step 304：Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator；
Step 305：Under each mode of operation, set up the corresponding relation of electric capacity, output frequency and operating power.
Step 306：Detection electronic equipment residing for mode of operation and in running order under circuit operating power；
After completing the calibration to oscillator, when electronic equipment is in running order, can detect residing for electronic equipment
Mode of operation and in running order under circuit operating power so that oscillator can export and electronic equipment is real
The corresponding frequency of border working condition；
Step 307：In the corresponding relation under mode of operation residing in electronic equipment, search electricity corresponding with operating power
Hold；
For example, when electronic equipment is detected and being in three mode of operations, then the corresponding relation from the 3rd mode of operation
In, search electric capacity corresponding with the operating power of receiving circuit.
Step 308：Access electric capacity according to the Capacity control oscillating circuit finding.
By accessing electric capacity so that the output frequency of oscillator and electronics according to the Capacity control oscillating circuit that finds
The actual working state of equipment is consistent.
It should be noted that, in the mode of operation residing in electronic equipment, find with running order under circuit
The corresponding electric capacity of operating power have multiple, then, the electric capacity that oscillating circuit is currently accessed can be detected, multiple from find
Determine the electric capacity close with the electric capacity that oscillating circuit is currently accessed in electric capacity, and be currently accessed with oscillating circuit determined by foundation
The close Capacity control oscillating circuit of electric capacity access electric capacity.
In embodiments of the present invention, oscillator can provide ginseng for the local oscillator of the radiating circuit of electronic equipment and receiving circuit
Examine frequency, in the method, under each electric capacity of the oscillating circuit access of oscillator, according to the mode of operation control of electronic equipment
The state of radiating circuit processed, power amplification circuit and receiving circuit, and under each mode of operation, control in running order
Under circuit work under different operating powers, and obtain each operating power using acquisition modes corresponding with mode of operation
Under first frequency；Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator, to set up each work
Under operation mode, the corresponding relation of electric capacity, output frequency and operating power, thus ensure electric capacity and the output frequency of set up oscillator
The corresponding relation of rate is consistent with the actual working state of electronic equipment, and then reduces the frequency error of oscillator, improves oscillator
Frequency performance.
One embodiment of the invention also discloses a kind of calibration control device of oscillator, and this device can apply to hand
In the electronic equipments such as machine, palm PC, panel computer.
This electronic equipment include radiating circuit, the power amplification circuit being connected with radiating circuit, receiving circuit, respectively with work(
Communication unit that rate amplifying circuit is connected with receiving circuit, the test cell being connected with communication unit and with radiating circuit and connecing
Receive the local oscillator that circuit is connected.
Wherein, the local oscillator that oscillator is used for as radiating circuit and receiving circuit provides reference frequency.
As shown in figure 4, this device can include：First control unit 401, the second control unit 402, control acquiring unit
403rd, the first computing unit 404, first set up unit 405；Wherein：
First control unit 401, can be used for controlling the oscillating circuit of oscillator to access different electric capacity；
Second control unit 402, can be used under each electric capacity that oscillating circuit accesses, according to the work of electronic equipment
The state of Schema control radiating circuit, power amplification circuit and receiving circuit；
Wherein：The state of radiating circuit, power amplification circuit and receiving circuit includes working condition and non-working condition；
Electronic equipment includes multiple-working mode, under different mode of operations, radiating circuit, power amplification circuit and connect
The state receiving circuit is different；And in order to realize the calibration to oscillator under the real work state of electronic equipment, therefore,
The state of radiating circuit, power amplification circuit and receiving circuit can be controlled according to the mode of operation of electronic equipment.
As electronic equipment can include three kinds of mode of operations, i.e. the first mode of operation, the second mode of operation and the 3rd work
Pattern；
It is under the first mode of operation in electronic equipment, radiating circuit, power amplification circuit and receiving circuit are in work
Make state；
It is under the second mode of operation in electronic equipment, radiating circuit and power amplification circuit are in running order, receive
Circuit is in non-working condition；
It is under the 3rd mode of operation in electronic equipment, radiating circuit and power amplification circuit are in non-working condition, connect
Receive circuit in running order.
Three of the above mode of operation is the common mode of operation of electronic equipment, for other mode of operations of electronic equipment
Also within protection scope of the present invention.
Control acquiring unit 403, can be used under each mode of operation, control each in running order under circuit
Work under different operating power, and obtain the first frequency under each operating power using acquisition modes corresponding with mode of operation
Rate；
First computing unit 404, can be used for calculating the defeated of oscillator according to the frequency parameter of first frequency and local oscillator
Go out frequency；
First sets up unit 405, can be used for, under each mode of operation, setting up electric capacity, output frequency and operating power
Corresponding relation.
In embodiments of the present invention, oscillator can provide ginseng for the local oscillator of the radiating circuit of electronic equipment and receiving circuit
Examine frequency, in the method, under each electric capacity of the oscillating circuit access of oscillator, according to the mode of operation control of electronic equipment
The state of radiating circuit processed, power amplification circuit and receiving circuit, and under each mode of operation, control in running order
Under circuit work under different operating powers, and obtain each operating power using acquisition modes corresponding with mode of operation
Under first frequency；Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator, to set up each work
Under operation mode, the corresponding relation of electric capacity, output frequency and operating power, thus ensure electric capacity and the output frequency of set up oscillator
The corresponding relation of rate is consistent with the actual working state of electronic equipment, and then reduces the frequency error of oscillator, improves oscillator
Frequency performance.
In the present invention, the difference of mode of operation is so that the acquisition modes of first frequency also not phase under each operating power
With；Wherein：
When electronic equipment is under the first mode of operation or the second mode of operation, radiating circuit and power amplification circuit are equal
In running order, therefore, communication unit can receive the signal of the transmitting of the radiating circuit after amplifying, phase by power amplification unit
Answer, test cell can test the signal frequency of the power amplification circuit output of communication unit reception.
Accordingly, acquiring unit is controlled specifically to can be used for：Under each mode of operation, control each in running order
Under circuit work under different operating power, and obtain the first frequency under each operating power that test cell is tested.
This first frequency is the frequency after the output frequency of local oscillator frequency-multiplication oscillator.
Wherein, in the present embodiment, it is under the first mode of operation in electronic equipment, radiating circuit, power amplification circuit
It is in working condition with receiving circuit；
It is under the second mode of operation in electronic equipment, radiating circuit and power amplification circuit are in running order, receive
Circuit is in non-working condition.
When electronic equipment is under the 3rd mode of operation, receiving circuit is in running order, and radiating circuit and power
Amplifying circuit is in non-working condition；And receiving circuit can send the base band sending signal to electronic equipment, now, test
Unit itself can launch the signal of second frequency；
Accordingly, acquiring unit is controlled can to include controlling acquisition module and computing module；
Control acquisition module to can be used under each mode of operation, control each in running order under circuit not
Work with operating power, and obtain described receiving circuit and be sent to the signal of base band and described test cell in each work
The signal of the second frequency of transmitting under power；
Wherein, when electronic equipment is under the 3rd mode of operation, receiving circuit can be controlled to be operated in different work
Under power, and receiving circuit can be by it under each operating power, to the base band sending signal of electronic equipment；Test cell can
To launch the signal of second frequency under each operating power of receiving circuit.
Computing module can be used for calculating each operating power according to the frequency of signal being sent to base band and second frequency
The first frequency of lower local oscillator.
Wherein, first frequency is equal to signal frequency and the second frequency sum of base band, is the output of local oscillator frequency-multiplication oscillator
Frequency after frequency.
Further embodiment of this invention also discloses a kind of calibration control device of oscillator, as shown in figure 5, this device is permissible
Including：First control unit 501, the second control unit 502, the acquiring unit 503 that controls, the first computing unit 504, first are set up
Unit 505, the first detector unit 506, the first searching unit 507 and the 3rd control unit 508；Wherein：
First control unit 501, can be used for controlling the oscillating circuit of oscillator to access different electric capacity；
Second control unit 502, can be used under each electric capacity that oscillating circuit accesses, according to the work of electronic equipment
The state of Schema control radiating circuit, power amplification circuit and receiving circuit；
Control acquiring unit 503, can be used under each mode of operation, control each in running order under circuit
Work under different operating power, and obtain the first frequency under each operating power using acquisition modes corresponding with mode of operation
Rate；
First computing unit 504, can be used for calculating the defeated of oscillator according to the frequency parameter of first frequency and local oscillator
Go out frequency；
First sets up unit 505, can be used for, under each mode of operation, setting up electric capacity, output frequency and operating power
Corresponding relation；
Wherein, when electronic equipment is in running order, the first detector unit 506, can be used for detecting electronic equipment institute
Place mode of operation and in running order under circuit operating power；
First searching unit 507, can be used in the corresponding relation under the mode of operation residing in electronic equipment, search with
The corresponding electric capacity of operating power；
3rd control unit 508, can be used for the access electric capacity according to the Capacity control oscillating circuit finding.
By accessing electric capacity so that the output frequency of oscillator and electronics according to the Capacity control oscillating circuit that finds
The actual working state of equipment is consistent.
In embodiments of the present invention, oscillator can provide ginseng for the local oscillator of the radiating circuit of electronic equipment and receiving circuit
Examine frequency, in the method, under each electric capacity of the oscillating circuit access of oscillator, according to the mode of operation control of electronic equipment
The state of radiating circuit processed, power amplification circuit and receiving circuit, and under each mode of operation, control in running order
Under circuit work under different operating powers, and obtain each operating power using acquisition modes corresponding with mode of operation
Under first frequency；Frequency parameter according to first frequency and local oscillator calculates the output frequency of oscillator, to set up each work
Under operation mode, the corresponding relation of electric capacity, output frequency and operating power, thus ensure electric capacity and the output frequency of set up oscillator
The corresponding relation of rate is consistent with the actual working state of electronic equipment, and then reduces the frequency error of oscillator, improves oscillator
Frequency performance.
The invention also discloses a kind of electronic equipment, including the calibration control of the oscillator described by as above any embodiment
Device.
Embodiment corresponding to each device is corresponding with the embodiment of method above, specifically can be found in embodiment of the method,
This is no longer described in detail.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation
Bright.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (9)
1. it is characterised in that being applied in electronic equipment, described electronic equipment includes sending out a kind of adjustment controlling means of oscillator
Transmit-receive radio road, the power amplification circuit being connected with described radiating circuit, receiving circuit, respectively with described power amplification circuit and described
Communication unit that receiving circuit is connected and the test cell that described communication unit is connected, described oscillator is used for as described transmitting
The local oscillator of circuit and described receiving circuit provides reference frequency, and the method includes：
The oscillating circuit controlling described oscillator accesses different electric capacity；
Under each electric capacity that described oscillating circuit accesses, control described transmitting electricity according to the mode of operation of described electronic equipment
The state on road, described power amplification circuit and described receiving circuit；Described radiating circuit, described power amplification circuit and institute
The state stating receiving circuit includes working condition and non-working condition；
Under each mode of operation, control each in running order under circuit work under different operating power, and utilize
Acquisition modes corresponding with described mode of operation obtain the first frequency under each operating power；
Frequency parameter according to described first frequency and described local oscillator calculates the output frequency of described oscillator；
Under each mode of operation, set up the corresponding relation of electric capacity, output frequency and operating power；
When described electronic equipment is in running order, detects the mode of operation residing for described electronic equipment and be in work shape
The operating power of the circuit under state；
In the corresponding relation under mode of operation residing in described electronic equipment, search electric capacity corresponding with described operating power；
Access electric capacity according to the oscillating circuit described in Capacity control finding.
2. method according to claim 1 is it is characterised in that the mode of operation of described electronic equipment includes the first Working mould
Formula, the second mode of operation and the 3rd mode of operation；
In this first operative mode, described radiating circuit, described power amplification circuit and described receiving circuit are in work
Make state；
Under described second mode of operation, described radiating circuit and described power amplification circuit are in running order, described reception
Circuit is in non-working condition；
Under described 3rd mode of operation, described radiating circuit and described power amplification circuit are in non-working condition, described connect
Receive circuit in running order.
3. method according to claim 2 is it is characterised in that be in the first mode of operation or second in described electronic equipment
When under mode of operation, described test cell is used for testing the signal frequency of described power amplification circuit output, described utilization and institute
The first frequency stated under the mode of operation corresponding acquisition modes each operating power of acquisition is specially：
Obtain the first frequency under each operating power that described test cell is tested.
4. method according to claim 2 is it is characterised in that be under the 3rd mode of operation in described electronic equipment, institute
State test cell for launching the signal of second frequency；
First frequency under the described each operating power of acquisition using acquisition modes corresponding with described mode of operation is specially：
Obtain that described receiving circuit is sent to the signal of base band and described test cell is launched under each operating power
The signal of two frequencies；
Calculate described local oscillator under each operating power according to the frequency of signal being sent to described base band and described second frequency
First frequency.
5. it is characterised in that being applied in electronic equipment, described electronic equipment includes sending out a kind of calibration control device of oscillator
Transmit-receive radio road, the power amplification circuit being connected with described radiating circuit, receiving circuit, respectively with described power amplification circuit and described
Communication unit that receiving circuit is connected and the test cell that described communication unit is connected, described oscillator is used for as described transmitting
The local oscillator of circuit and described receiving circuit provides reference frequency, and this device includes：
First control unit, the oscillating circuit for controlling described oscillator accesses different electric capacity；
Second control unit, under each electric capacity that described oscillating circuit accesses, according to the Working mould of described electronic equipment
Formula controls the state of described radiating circuit, described power amplification circuit and described receiving circuit；Described radiating circuit, described work(
The state of rate amplifying circuit and described receiving circuit includes working condition and non-working condition；
Control acquiring unit, under each mode of operation, control each in running order under circuit in different operating
Work under power, and obtain the first frequency under each operating power using acquisition modes corresponding with described mode of operation；
First computing unit, calculates the defeated of described oscillator for the frequency parameter according to described first frequency and described local oscillator
Go out frequency；
First sets up unit, for, under each mode of operation, setting up the corresponding relation of electric capacity, output frequency and operating power；
First detector unit, for when described electronic equipment is in running order, detecting the work residing for described electronic equipment
Pattern and in running order under circuit operating power；
First searching unit, for, in the corresponding relation under the mode of operation residing in described electronic equipment, searching and described work
The corresponding electric capacity of the rate of doing work；
3rd control unit, for the access electric capacity according to the oscillating circuit described in Capacity control finding.
6. device according to claim 5 is it is characterised in that the mode of operation of described electronic equipment includes the first Working mould
Formula, the second mode of operation and the 3rd mode of operation；
In this first operative mode, described radiating circuit, described power amplification circuit and described receiving circuit are in work
Make state；
Under described second mode of operation, described radiating circuit and described power amplification circuit are in running order, described reception
Circuit is in non-working condition；
Under described 3rd mode of operation, described radiating circuit and described power amplification circuit are in non-working condition, described connect
Receive circuit in running order.
7. device according to claim 6 is it is characterised in that be in the first mode of operation or second in described electronic equipment
When under mode of operation, described test cell is used for testing the signal frequency of described power amplification circuit output, and described control obtains
Unit specifically for：Under each mode of operation, control each in running order under circuit under different operating power work
Make, and obtain the first frequency under each operating power that described test cell is tested.
8. device according to claim 6 is it is characterised in that be under the 3rd mode of operation in described electronic equipment, institute
State test cell for launching the signal of second frequency；
Described control acquiring unit includes controlling acquisition module and computing module；
Described control acquisition module be used under each mode of operation, control each in running order under circuit in different works
Work under the rate of doing work, and obtain described receiving circuit and be sent to the signal of base band and described test cell in each operating power
The signal of the second frequency of lower transmitting；
Described computing module is used for calculating each work according to the frequency of signal being sent to described base band and described second frequency
The first frequency of described local oscillator under power.
9. a kind of electronic equipment is it is characterised in that include the calibration control device of the oscillator as described in claim 5～8.
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| CN201410363736.5A CN104092460B (en) | 2014-07-28 | 2014-07-28 | Calibration control method and device for oscillator and electronic device |
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| CN201410363736.5A CN104092460B (en) | 2014-07-28 | 2014-07-28 | Calibration control method and device for oscillator and electronic device |
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| CN110286710B (en) * | 2019-07-01 | 2021-05-18 | 联想(北京)有限公司 | Control method, processor and electronic equipment |
| CN112469112B (en) * | 2020-11-25 | 2023-03-21 | Oppo（重庆）智能科技有限公司 | Frequency control method, device, radio frequency system and communication equipment |
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