CN206060729U - A kind of radio communication wake-up circuit - Google Patents
A kind of radio communication wake-up circuit Download PDFInfo
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- CN206060729U CN206060729U CN201620533360.2U CN201620533360U CN206060729U CN 206060729 U CN206060729 U CN 206060729U CN 201620533360 U CN201620533360 U CN 201620533360U CN 206060729 U CN206060729 U CN 206060729U
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Abstract
This application provides a kind of radio communication wake-up circuit, including：Manostat and phase-locked loop circuit, the manostat is powered for the phase-locked loop circuit according to (Wake) signal is waken up, when the wake-up (Wake) signal is effective, the manostat is powered for the phase-locked loop circuit, when the wake-up (Wake) signal is invalid, the manostat is not powered to the phase-locked loop circuit；When being effective first period for effective and described pre- wake-up (PreSet) signal in the wake-up (Wake) signal, the phase-locked loop circuit produces the first clock signal according to reference voltage signal (VF), when being invalid second period for effective and described pre- wake-up (PreSet) signal in the wake-up signal, the phase-locked loop circuit produces second clock signal according to the reference clock of the crystal oscillator in the phase-locked loop circuit.Using the radio communication wake-up circuit design of the application, the power consumption of radio communication can be effectively reduced.
Description
Technical field
The application is related to technical field of circuit design, more particularly to a kind of radio communication wake-up circuit.
Background technology
Wireless communication technology has been deep into the various aspects of live and work, including the communication of daily cell phone, radio
Words, WLAN (Wireless Local Area Networks, WLAN), UWB (Ultra Wideband, ultra-wide
Band), bluetooth, broadband satellite system, DTV etc. be all more popular wireless communication technology application.
In the normal mode of operation, all modules are completely in working condition, manostat work to existing radio communication circuit
Power as phase-locked loop circuit, phase-locked loop circuit produces clock signal and provides clock signal for other modules.
The system service intermittent when radio communication circuit is in breathing pattern, usually relies on low-power consumption agitator and carrys out interval
Formula wake on wireless telecommunication circuit.After wake on wireless circuit, before entry communication mode of operation, radio communication circuit needs to carry out accordingly
Preparation (for example, start, be made up of phase frequency detector, charge pump, voltage controlled oscillator, frequency divider including crystal oscillator
Phase-locked loop circuit reach stably required time, processor be prepared work (include from memorizer read instruction, storehouse association
View etc.)), it is therefore desirable to allow system wake-up in advance to do these preparations.For example, during radio communication circuit breathing pattern, with
500mS is cycle service intermittent, wherein it is 20mS to wake up the working time.When not waking up, if only power consumption in radio communication circuit
0.05mA；If wake up, operating current is 12mA, then under breathing pattern, average current be 12mA* (20mS/500mS)+
0.05mA=0.53mA.Above-mentioned preparation is carried out for serial, i.e.,：After crystal oscillator starts, phase-locked loop circuit enters stable
State, finally etc. computing device prepare operation, the time cumulation of preparation need to shift to an earlier date more time and allow system wake-up.
To sum up, the startup of the wake-up preparation of existing wireless communications circuit relatively wake-up pre-set time is longer, result in not
Necessary electric quantity consumption.
Utility model content
The embodiment of the present application proposes a kind of radio communication wake-up circuit, to the wake-up for overcoming existing wireless communications circuit
The startup of preparation relatively wake-up pre-set time is longer, result in the deficiency of unnecessary electric quantity consumption.
The embodiment of the present application provides a kind of radio communication wake-up circuit, including：Manostat and phase-locked loop circuit are described steady
Depressor is powered for the phase-locked loop circuit according to (Wake) signal is waken up, when the wake-up (Wake) signal is effective, described
Manostat is powered for the phase-locked loop circuit, and when the wake-up (Wake) signal is invalid, the manostat does not give the lock
Phase loop circuit is powered；
When being effective first period for effective and pre- wake-up (PreSet) signal in the wake-up (Wake) signal,
The phase-locked loop circuit produces the first clock signal according to reference voltage signal (VF), in the wake-up signal for effectively and
When pre- wake-up (PreSet) signal is the second invalid period, the phase-locked loop circuit is according in the phase-locked loop circuit
The reference clock of crystal oscillator produces second clock signal.
The radio communication wake-up circuit that the embodiment of the present application is provided, it is due to including manostat and phase-locked loop circuit, described
Manostat is powered for the phase-locked loop circuit according to (Wake) signal is waken up, when the wake-up (Wake) signal is effective, institute
State manostat to power for the phase-locked loop circuit, when the wake-up (Wake) signal is invalid, the manostat is to described
Phase-locked loop circuit is powered；It is being that effectively and in advance wake-up (PreSet) signal is effective first in the wake-up (Wake) signal
During the period, the phase-locked loop circuit produces the first clock signal according to reference voltage signal (VF), in the wake-up signal
When being the second invalid period for effective and described pre- wake-up (PreSet) signal, the phase-locked loop circuit is according to the phaselocked loop
The reference clock of the crystal oscillator in circuit produces second clock signal, can shorten that radio communication electricity waken up in advance when
Between, on the premise of radio communication circuit normal work is not affected, effectively reduce the power consumption of radio communication.
Description of the drawings
The specific embodiment of the application is described below with reference to accompanying drawings,
Fig. 1 is a kind of existing Bluetooth circuit schematic diagram；
Fig. 2 is waveform diagram of the existing Bluetooth circuit in breathing pattern；
The schematic diagram of the radio communication wake-up circuit that Fig. 3 is provided for the embodiment of the present application；
The schematic diagram of the radio communication wake-up circuit one that Fig. 4 is provided for the embodiment of the present application；
Fig. 5；The waveform diagram of breathing pattern is in for the radio communication wake-up circuit one that the embodiment of the present application is provided；
In the radio communication wake-up circuit one that Fig. 6 is provided for the embodiment of the present application, selector realizes the schematic diagram of circuit.
Specific embodiment
In order that the technical scheme and advantage of the application become more apparent, below in conjunction with accompanying drawing to the exemplary of the application
Embodiment is described in more detail, it is clear that described embodiment is only a part of embodiment of the application, rather than
The exhaustion of all embodiments.And in the case where not conflicting, the feature in embodiment and embodiment in this specification can be with
It is combined with each other.
During the application is realized, by taking Bluetooth circuit as an example, inventor has found, the wake-up of existing Bluetooth circuit is accurate
The startup of standby work relatively wake-up pre-set time is longer, result in unnecessary electric quantity consumption.Fig. 1 is a kind of existing Bluetooth circuit
Schematic diagram, as shown in figure 1, the Bluetooth circuit includes low-power consumption agitator, enumerator, manostat, crystal oscillator, frequency and phase discrimination
Device, charge pump, voltage controlled oscillator, frequency divider, processor, radio-frequency module.Under the normal mode of operation of bluetooth, above-mentioned module is complete
Portion is in running order, and it is 26MHz that crystal oscillator produces the frequency of oscillation of 26MHz, the i.e. frequency of CK26M.Phase frequency detector,
Charge pump, voltage controlled oscillator, frequency divider constitute phase-locked loop circuit.When this phase-locked loop circuit is stable, FO exports the frequency of 2.4GHz
Rate, there is provided to radio-frequency module, for radio communication.FO signal frequency split 25 times of the frequency divider to 2.4GHz, produces the clock of 96MHz
CK96M, there is provided to processor, processor receives embedded software instruction according to clock CK96M signals.
When software detection is to no too many task, sending instruction makes Bluetooth circuit enter breathing pattern.During breathing pattern
System service intermittent, carrys out batch (-type) by low-power consumption agitator and wakes up Bluetooth circuit.Fig. 2 is in for existing Bluetooth circuit and exhales
The waveform diagram of suction mode, as shown in Fig. 2 waveform W1 be bluetooth be in communication work pattern when clock waveform, high level
When, Bluetooth circuit is communicated according to Bluetooth protocol.Waveforms of the W2 for Wake (wake-up) signal.Rising of the rising edge of W2 than W1
Along 10mS in advance.Reason is that, before entry communication mode of operation, Bluetooth circuit needs to carry out corresponding preparation, including
Crystal oscillator startup, the phase-locked loop circuit being made up of phase frequency detector, charge pump, voltage controlled oscillator, frequency divider reach stable
Required time, processor are prepared work (including reading instruction, stack-protocol etc. from memorizer), it is therefore desirable to allow in advance
System wake-up is doing these preparations.If being not detected by the bluetooth equipment that can be communicated, breathing pattern is continued to.Exhale
The purpose of suction mode is to save power consumption.As shown in Fig. 2 with 500mS as cycle service intermittent, wherein waking up the working time
For 20mS.When not waking up, only low-power consumption agitator, counter works in Bluetooth circuit, if power consumption is 0.05mA, during wake-up,
Operating current is 12mA, then, under breathing pattern, average current is 12mA* (20mS/500mS)+0.05mA=0.53mA.Above-mentioned standard
Standby work is carried out for serial, i.e.,：After crystal oscillator starts, phase-locked loop circuit enters steady statue, the computing device such as finally
Prepare operation, the time cumulation of preparation need to shift to an earlier date more time and allow system wake-up.
Similar with above-mentioned Bluetooth circuit, the startup of the wake-up preparation of existing wireless communications circuit is relatively waken up when shifting to an earlier date
Between it is longer, result in unnecessary electric quantity consumption.
For the problems referred to above, a kind of radio communication wake-up circuit in the embodiment of the present application, is provided, Fig. 3 is implemented for the application
The schematic diagram of the radio communication wake-up circuit that example is provided, as shown in figure 3, the radio communication wake-up circuit can include：Manostat
And phase-locked loop circuit, the manostat is powered for the phase-locked loop circuit according to (Wake) signal is waken up, in the wake-up
(Wake) when signal is effective, the manostat is powered for the phase-locked loop circuit, is invalid in the wake-up (Wake) signal
When, the manostat is not powered to the phase-locked loop circuit；
When being effective first period for effective and pre- wake-up (PreSet) signal in the wake-up (Wake) signal,
The phase-locked loop circuit produces the first clock signal according to reference voltage signal (VF), in the wake-up signal for effectively and
When pre- wake-up (PreSet) signal is the second invalid period, the phase-locked loop circuit is according in the phase-locked loop circuit
The reference clock of crystal oscillator produces second clock signal.
Radio communication wake-up circuit in the embodiment of the present application can apply to existing bluetooth, WLAN,
In the wireless communication technologys such as ZigBee, Z-Wave, EnOcean, UWB, it is also possible to be applied to the following radio communication being likely to occur
In technology.
In being embodied as, it can be defeated by the enumerator of fixed cycle to wake up Wake signals and the pre- PreSet signals that wake up
Go out, it is also possible to obtained by way of other signal generations, be not specifically limited here.
The first period (i.e.：Wake up Wake signals and the pre- PreSet signals that wake up be effective pre- awakening phase), nothing
Line communication wake-up circuit carries out the preparation before above-mentioned wake-up.The second period (i.e.：It is effective to wake up Wake signals, is called out in advance
Awake PreSet signals are invalid awakening phase), radio communication wake-up circuit has completed corresponding preparation, can perform wireless
Communication task.
Those skilled in the art can be according to practical application scene to the wake-up Wake signals and the pre- wake-up
The effective of PreSet signals is defined with invalid.For example, the effective wake-up Wake signals and the pre- wake-up PreSet
Signal can be corresponding with the high level of signal waveform, low level, rising edge or trailing edge, it is also possible to the rising with signal waveform
The portion waveshape of edge or trailing edge is corresponding.It is corresponding, the invalid wake-up Wake signals and the pre- wake-up PreSet
Signal can be corresponding with the low level of signal waveform, high level, trailing edge or rising edge, it is also possible to the decline with signal waveform
The portion waveshape of edge or rising edge is corresponding.The wake-up Wake signals and the pre- wake-up PreSet signals it is effective and invalid
Definition can also be defined from pulse aspect, specifically how to define the wake-up Wake signals and the pre- wake-up PreSet
Signal it is effective and invalid, be not specifically limited here.
First clock signal is used to provide clock signal for the wireless awakening circuit in the first period, due to pre- awakening phase
It is less demanding to the precision of clock signal, therefore, it can by according to PreSet signals direct access reference voltage signal VF compared with
The precision for quickly generating is exported to corresponding clock port less than the first clock signal of second clock signal, so that channel radio
Letter wake-up circuit completes the preparation of pre- awakening phase.
The radio communication wake-up circuit that the embodiment of the present application is provided, manostat are the phaselocked loop according to Wake signals are waken up
Circuit is powered, and in the first period, phase-locked loop circuit produces the first clock signal according to PreSet signals；In second period, phase is locked
Loop circuit produces second clock signal according to PreSet signals.That is, the radio communication wake-up circuit that the embodiment of the present application is provided can
The characteristics of with according to pre- awakening phase and awakening phase to clock signal needs, produced in pre- awakening phase and awakening phase respectively
The second clock signal of the first relatively low clock signal of degree of accuracy and higher accuracy, to shorten the time of pre- awakening phase,
Radio communication circuit normal work is not affected on the premise of, effectively reduce the power consumption of radio communication.
In being embodied as, when the wake-up Wake signals are effective, the outfan output voltage signal of the manostat
VRO, is that the phase-locked loop circuit is powered, and the phase-locked loop circuit obtains electric work；When the wake-up Wake signals are invalid, institute
The outfan output voltage for stating manostat is zero, the phase-locked loop circuit power-off.
The schematic diagram of the radio communication wake-up circuit one that Fig. 4 is provided for the embodiment of the present application, as shown in figure 4, in implementing, removing
The crystal oscillator, the phase-locked loop circuit can also include：Crystal oscillator, phase frequency detector, charge pump, selection
Device, voltage controlled oscillator and frequency divider, wherein, the control signal of the selection control end of the selector is the pre- wake-up PreSet
Signal, the first input end of the selector are connected to reference voltage signal VF, and the second input of the selector is connected to
The outfan VC1 of the charge pump；The outfan of the selector is connected to the input of the voltage controlled oscillator.
In being embodied as, choosing can be increased between the charge pump of existing wireless communications wake-up circuit and voltage controlled oscillator
Device is selected, two inputs of selector connect output signal VC1 of the outfan of reference voltage signal VF and charge pump respectively, selected
The selection control end for selecting device is connected to the second outfan of enumerator (output signal of the second outfan of enumerator is
PreSet), the control to voltage controlled oscillator input signal is realized based on the signal for selecting control end input.The crystal oscillator
The clock signal of 26MHz can be exported.
As shown in figure 4, in being embodied as, the concrete connection of phase-locked loop circuit can be as follows：Crystal oscillator exports clock
The first input end of signal F1 to phase frequency detector, phase frequency detector signal up and dn to charge pump, charge pump output voltage letter
Second input of number VC1 to selector, reference voltage signal VF are connected to the first input end of selector, and selector is according to pre-
PreSet signal output voltage signal VC2 are waken up to voltage controlled oscillator, voltage controlled oscillator exports clock signal F2 to frequency divider, point
Frequency device exports the second input of clock signal F3 to phase frequency detector.
Fig. 5 is in the waveform diagram of breathing pattern for the radio communication wake-up circuit one that the embodiment of the present application is provided, such as
Shown in Fig. 5, W2 is the waveform of Wake signals in Fig. 4, and W3 is the waveform of PreSet signals in Fig. 4, and W1 is that radio communication wakes up electricity
Road communicate when clock waveform, when W1 pulses be high level when, radio communication wake-up circuit according to wireless communication protocol (for example,
Bluetooth protocol, WLAN protocol, Zigbee protocol etc.) communicate wirelessly, mainly search for nearby with the presence or absence of the nothing that can be communicated
Line communication equipment (such as, bluetooth equipment or wlan device).
As shown in figure 5, when a length of 5ms of corresponding first period, when a length of 10ms of the second period, when being embodied as,
Those skilled in the art can not do concrete here according to the duration for needing the first period of setting and the second period of practical application
Limit.
In enforcement, when the pre- wake-up PreSet signals are effective, the output signal of the outfan of the selector is
Reference voltage signal, the voltage controlled oscillator export the first clock signal according to the reference voltage signal VF of input；When described pre-
When wake-up PreSet signals are invalid, the signal of the outfan output of the selector is the output letter of the charge pump outputs
Number VC1, signal VC1 output second clock signal of the voltage controlled oscillator according to input.
In being embodied as, selector, two inputs point of selector are increased between charge pump and voltage controlled oscillator
Not Lian Jie reference voltage signal VF and charge pump outfan output signal VC1, the selection control end of selector is connected to pre-
Wake up PreSet signals.As reference voltage signal VF is directly can to obtain from band-gap reference circuit, and VC1 is through manostat
Receive and wake up Wake signals work output VRO, crystal oscillator produces concussion frequency according to VRO work, through phase frequency detector
Relatively, multiple serials of charge pump output are alleviated and are obtained, and need to expend the regular hour.Therefore, it is defeated based on selection control end
The signal for entering realizes the control to voltage controlled oscillator input signal, and voltage controlled oscillator can wake up section pre- according to pre- wake-up signal
Section directly obtains reference voltage signal VF from band-gap reference circuit and quickly generates the first relatively low clock signal of benchmark degree, is calling out
Awake sections obtains voltage signal VC1 from the charge pump for completing preparation and reaching steady statue and generates higher second of precision
Clock signal, so as to shorten the time of pre- awakening phase, on the premise of radio communication circuit normal work is not affected, effectively drops
The power consumption of low radio communication.
Preferably, wakeup time in advance can be shortened to 5mS by 10mS of the prior art.Then implemented according to the application
The scheme that example is provided, under radio communication circuit breathing pattern, the electric current of mean consumption is：
(12mA). (15mS/500mS)+0.05mA=0.41mA
Compared with the average current consumed in prior art is for 0.53mA, lower power consumption 22.6%.
In enforcement, the reference voltage signal can be produced by band-gap reference circuit.
In being embodied as, can be produced by band-gap reference circuit referring generally to voltage signal.
In enforcement, the selector can include：First switch K1, second switch K2 and phase inverter INV1, it is described anti-phase
Device INV1 is powered by the manostat, and the input of the phase inverter INV1 is connected to the second outfan of the enumerator；Institute
The control signal for stating first switch K1 is connected to the second outfan of the enumerator, and the input of first switch K1 connects
It is connected to the reference voltage signal；The control signal of the second switch K2 is connected to the outfan of the phase inverter INV1,
The input of the second switch K2 is connected to the outfan of the charge pump.
In the radio communication wake-up circuit one that Fig. 6 is provided for the embodiment of the present application, selector realizes the schematic diagram of circuit, such as
Shown in Fig. 6, in being embodied as, the selector realizes that circuit can include first switch K1, second switch K2, phase inverter
INV1.When signal PreSet is high level, switch K1 conductings, switch K2 disconnect, and now output signal VC2 of selector is ginseng
Examine voltage signal VF；When Preset signals are low level, switch K2 disconnects, through the output signal of phase inverter INV1 be high electricity
It is flat, the conducting of controlling switch K2, now output signal VC2 is equal to input signal VC1.
In enforcement, the radio communication wake-up circuit can also include：Enumerator, the first outfan of the enumerator are produced
The life wake-up Wake signals, the second outfan of the enumerator produce the pre- wake-up PreSet signals, the wake-up
Align with invalid to the effective hopping edge of the pre- wake-up PreSet signals invalid to the effective hopping edge of Wake signals.
As shown in figure 5, in being embodied as, invalid to the effective hopping edge of the wake-up Wake signals pre- is called out with described
Invalid to the effective hopping edge alignment of awake PreSet signals.
In being embodied as, the enumerator in the embodiment of the present application compared with prior art, increased the second outfan, described
The second of enumerator is output as pre- wake-up PreSet signals.The pre- PreSet signals that wake up can be produced by enumerator, example
Such as, low-power consumption agitator produces the clock signal of 100KHz (each 0.1 microsecond of cycle), by enumerator to this clock signal meter
Number can produce PreSet signals, and in the cycle that specific PreSet signals are produced, those skilled in the art can be according to actual need
To determine, it is not specifically limited here.
When it is effective that the input signal of the selection control end of the selector wakes up PreSet signals in advance, the selector
Outfan output signal be reference voltage signal VF；When input signal PreSet of the selection control end of the selector is
When invalid, the signal of the outfan output of the selector is output signal VC1 of the charge pump outputs.That is, when
PreSet signals for it is invalid at ordinary times, the output signal of output signal VC2 of the outfan of selector for the outfan of charge pump
VC1, now, the clock of radio communication wake-up circuit is that phase-locked loop circuit is by phase frequency detector, electricity producing by phase-locked loop circuit
Lotus pump, selector, voltage controlled oscillator and frequency divider are constituted, when the phase-locked loop circuit is stable, clock signal F3 of frequency divider output
It is equal with the frequency of F4.
When PreSet signals are effective, output signal VC2 of the outfan of selector is reference voltage signal VF (direct
Obtain from band-gap reference circuit), the oscillator signal that voltage controlled oscillator produces rapidly frequency stable is controlled, is divided through frequency divider
Afterwards, produce clock signal F4 operating frequency is provided for processor.In the normal mode of operation, F4 can export accurate 96MHz frequencies
, to processor, during its reason, crystal oscillator output frequency is very accurate for the clock signal of rate, controls what is produced through phase-locked loop circuit
96MHz frequencies are just very accurate.The oscillator signal that voltage controlled oscillator is produced is controlled by reference to voltage signal VF now, through frequency divider
After frequency dividing, the 96MHz signals of generation be not too accurately, but it is enough for computing device pretreatment work.According to upper
Working method is stated, removes wait crystal oscillator starting time, so as to shorten the time that radio communication circuit is waken up in advance, not
On the premise of affecting radio communication circuit normal work, the power consumption of radio communication circuit is effectively reduced.
In enforcement, the radio communication wake-up circuit can also include：Radio-frequency module, the radio-frequency module is by described steady
Transformer power-supply, the input end of clock of the radio-frequency module are connected to the outfan of the voltage controlled oscillator.
In enforcement, the radio-frequency module can be using bluetooth, WLAN WLAN, Z-Wave or Zigbee protocol.
In enforcement, the radio communication wake-up circuit can also include：Processor, the processor are supplied by the manostat
Electricity, the input end of clock of the processor are connected to the outfan F4 of the VCO frequency divider.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the application to the application
God and scope.So, if these modifications of the application and modification belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising these changes and modification.
Claims (9)
1. a kind of radio communication wake-up circuit, it is characterised in that include：Manostat and phase-locked loop circuit, the manostat according to
Wake up (Wake) signal to power for the phase-locked loop circuit, when the wake-up (Wake) signal is effective, the manostat is
The phase-locked loop circuit is powered, and when the wake-up (Wake) signal is invalid, the manostat does not give the phase-locked loop circuit
Power supply；
It is when being effective first period for effective and pre- wake-up (PreSet) signal in the wake-up (Wake) signal, described
Phase-locked loop circuit produces the first clock signal according to reference voltage signal (VF), is being effective and described in the wake-up signal
When pre- wake-up (PreSet) signal is the second invalid period, the phase-locked loop circuit is according to the crystal in the phase-locked loop circuit
The reference clock of agitator produces second clock signal.
2. radio communication wake-up circuit as claimed in claim 1, it is characterised in that except the crystal oscillator, the lock
Phase loop circuit also includes：Phase frequency detector, charge pump, selector, voltage controlled oscillator and frequency divider, wherein, the selector
The control signal for selecting control end is pre- wake-up (PreSet) signal, and the first input end of the selector is connected to reference
Voltage signal (VF), the second input of the selector are connected to the outfan (VC1) of the charge pump；The selector
Outfan is connected to the input of the voltage controlled oscillator.
3. radio communication wake-up circuit as claimed in claim 2, it is characterised in that when pre- wake-up (PreSet) signal is
When effectively, the output signal of the outfan of the selector is reference voltage signal, and the voltage controlled oscillator is according to the ginseng being input into
Examine voltage signal (VF) and export the first clock signal；When pre- wake-up (PreSet) signal is invalid, the selector
The signal of outfan output is the output signal (VC1) of the charge pump outputs, and the voltage controlled oscillator is according to the letter being input into
Number (VC1) output second clock signal.
4. radio communication wake-up circuit as claimed in claim 2, it is characterised in that the reference voltage signal is by band-gap reference
Circuit is produced.
5. radio communication wake-up circuit as claimed in claim 2, it is characterised in that the selector includes：First switch,
Two switches and phase inverter, the phase inverter powered by the manostat, and the input of the phase inverter is connected to the of enumerator
Two outfans；The control signal of the first switch is connected to the second outfan of the enumerator, the first switch
Input is connected to the reference voltage signal；The control signal of the second switch is connected to the output of the phase inverter
End, the input of the second switch are connected to the outfan of the charge pump.
6. radio communication wake-up circuit as claimed in claim 1, it is characterised in that also include：Enumerator, the enumerator
First outfan produces wake-up (Wake) signal, and the second outfan of the enumerator produces the pre- wake-up (PreSet)
Signal, invalid to the effective hopping edge of wake-up (Wake) signal and pre- wake-up (PreSet) signal it is invalid to having
The hopping edge alignment of effect.
7. radio communication wake-up circuit as claimed in claim 2, it is characterised in that also include：Radio-frequency module, the radio frequency mould
Block is powered by the manostat, and the input end of clock of the radio-frequency module is connected to the outfan of the voltage controlled oscillator.
8. radio communication wake-up circuit as claimed in claim 7, it is characterised in that the radio-frequency module is using bluetooth, wireless
LAN WLAN, Z-Wave or Zigbee protocol.
9. radio communication wake-up circuit as claimed in claim 2, it is characterised in that also include：Processor, the processor by
The manostat is powered, and the input end of clock of the processor is connected to the outfan (F4) of the frequency divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533360.2U CN206060729U (en) | 2016-06-03 | 2016-06-03 | A kind of radio communication wake-up circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620533360.2U CN206060729U (en) | 2016-06-03 | 2016-06-03 | A kind of radio communication wake-up circuit |
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| CN206060729U true CN206060729U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969973A (en) * | 2020-08-25 | 2020-11-20 | 中国科学院上海高等研究院 | Low-power consumption thing networking transceiver system with awaken circuit up |
-
2016
- 2016-06-03 CN CN201620533360.2U patent/CN206060729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969973A (en) * | 2020-08-25 | 2020-11-20 | 中国科学院上海高等研究院 | Low-power consumption thing networking transceiver system with awaken circuit up |
| CN111969973B (en) * | 2020-08-25 | 2023-09-15 | 中国科学院上海高等研究院 | Low-power consumption internet of things transceiver system with wake-up circuit |
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