CN103823500A - Voltage regulator, integrated circuit and electronic equipment - Google Patents
Voltage regulator, integrated circuit and electronic equipment Download PDFInfo
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- CN103823500A CN103823500A CN201410085662.3A CN201410085662A CN103823500A CN 103823500 A CN103823500 A CN 103823500A CN 201410085662 A CN201410085662 A CN 201410085662A CN 103823500 A CN103823500 A CN 103823500A
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Abstract
The invention provides a voltage regulator applied to an integrated circuit. After the voltage regulator is adopted, when an RF (radiofrequency) circuit enters an emission state, a first regulation circuit regulates to rise the output voltage of a first voltage stabilizing circuit, so the output voltage of the first voltage stabilizing circuit is risen to provide higher voltage for the subsequent emission of the RF circuit without the need of absorbing the current in a power supply rail, the power supply at the input end of the first voltage stabilizing circuit is not affected, and the noise component in the power supply rail is prevented from entering the emission current. When the RF circuit exits from the emission state, the first regulation circuit regulates to store the output voltage of the first voltage stabilizing circuit to the state before emission, and the normal operation of the RF circuit and circuits connected with the RF circuit are ensured.
Description
Technical field
The invention belongs to electronic device field, relate in particular to a kind of regulator, integrated circuit and electronic equipment.
Background technology
IC(integrated circuit, integrated circuit) as a kind of microelectronic device, more and more be applied in various electronic equipments, especially there is the SOC(system on chip of communication function and powerful mathematical operation and logical operation processing power, systems-on-a-chip).
But because the power rail in IC is all mutually related, easily causing the mutual interference of each functional circuit phase, especially highly integrated SOC, isolates even if having well, but noise can conduct by power supply, and the function of filtering de-noising is limited.
When RF circuit (radio circuit) is during in emission state, due to its power hungry, can draw a large amount of electric currents, to such an extent as to battery supply voltage is dragged down, this RF circuit instantaneous electromotive force in power rail is minimum, this means, whole power rail, all can importantly enter transmitter current.And noise is followed power rail and enters the component of RF circuit, has entered in the power circuit of RF circuit.Even have very powerful filter design in this RF circuit, low-frequency noise also cannot filtering, once and these low-frequency noises are sneaked into high-power non-linear circuit, the noise products of generation becomes branch very complicated, this can directly affect the situation of SOC realization.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of regulator, can regulate the input voltage of radio circuit, draw the technical matters of electric current in power rail when solving RF circuit emission state in prior art.
A kind of regulator, comprising: the first mu balanced circuit and the first Circuit tuning;
Wherein, the input end of described the first mu balanced circuit is connected with power supply, and the output terminal of described the first mu balanced circuit is connected with radio frequency circuit input end, and described the first mu balanced circuit is for the voltage of the described RF circuit of stable input;
Described the first Circuit tuning is connected with described the first mu balanced circuit, for the output voltage of described the first mu balanced circuit is adjusted;
In the time that described RF circuit enters emission state, the raise output voltage of described the first mu balanced circuit of described the first Circuit tuning adjustment;
In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning is adjusted described the first mu balanced circuit returns to and enters before emission state.
Above-mentioned regulator, preferred, described the first mu balanced circuit comprises the first operational amplifier U1, the first resistance R 1 and the second resistance R 2, and the in-phase input end of described the first operational amplifier U1 is connected with power supply, and output terminal is connected with the input end of described RF circuit;
Described first resistance R 1 one end ground connection, the other end is connected with the reverse input end of described the first operational amplifier U1;
Described second resistance R 2 one end are connected with the reverse input end of described the first operational amplifier U1, and the other end is connected with the output terminal of described the first operational amplifier U1, and the reverse input end of described the first operational amplifier and described output terminal form loop.
Above-mentioned regulator, preferred, described the first Circuit tuning comprises: the 3rd resistance R 3 and the first K switch 1;
Wherein, one end ground connection of described the 3rd resistance R 3, the other end is connected with the reverse input end of described the first operational amplifier U1; Described the first K switch 1 is connected with described the 3rd resistance R 3;
Wherein, in the time that described RF circuit enters emission state, described the first K switch 1 closure, described the 3rd resistance R 3 is in parallel with described the first resistance R 1; In the time that described RF circuit exits emission state, described the first K switch 1 disconnects.
Above-mentioned regulator, preferred, also comprise: be provided with the primary controller of the first port and the second port, described the first port is connected with described RF circuit, and described the second port is connected with described the first Circuit tuning;
Described primary controller, enters and exits emission state for controlling described RF circuit, and control described the first Circuit tuning the output voltage of described the first mu balanced circuit is adjusted;
The process of adjusting specifically comprises: described primary controller time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates respectively the first closure signal and transmits, described in inciting somebody to action by described the first port, transmit and be emitted to described RF circuit, indicate described RF circuit to enter emission state, by described the second port, described the first closure signal is emitted to described the first K switch 1; Primary controller time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates respectively the first cut-off signal and exits signal, described in inciting somebody to action by described the first port, exit signal and be emitted to described RF circuit, indicate described RF circuit to exit emission state, by described the second port, described the first cut-off signal is emitted to described the first K switch 1.
Above-mentioned regulator, preferred, also comprise: the second mu balanced circuit and the second Circuit tuning;
Wherein, the input end of described the second mu balanced circuit is connected with power supply, and the output terminal of described the second mu balanced circuit is connected with a preinstalled circuit input end, and described the second mu balanced circuit is for the voltage of the described preinstalled circuit of stable input;
Described the second Circuit tuning is connected with described the second mu balanced circuit, for the output voltage of described the second mu balanced circuit is adjusted;
In the time that described RF circuit enters emission state, described the second Circuit tuning adjustment reduces the output voltage of described the second mu balanced circuit;
In the time that described RF circuit exits emission state, the output voltage that described the second Circuit tuning is adjusted described the second mu balanced circuit returns to and enters before emission state;
Wherein, described preinstalled circuit is non-RF circuit.
Above-mentioned regulator, preferably, described the second mu balanced circuit comprises the second operational amplifier U2, the 4th resistance R 4 and the 5th resistance R 5, and the in-phase input end of described the second operational amplifier U2 is connected with power supply, and output terminal is connected with the input end of described preinstalled circuit;
Described the 4th resistance R 4 one end ground connection, the other end is connected with the reverse input end of described the second operational amplifier U2;
Described the 5th resistance R 5 one end are connected with the reverse input end of described the second operational amplifier U2, and the other end is connected with the output terminal of described the second operational amplifier U2, and the reverse input end of described the second operational amplifier and described output terminal form loop.
Above-mentioned regulator, preferred, described the second Circuit tuning comprises: the 6th resistance R 6, second switch K2 and the 3rd K switch 3;
Wherein, one end ground connection of described the 6th resistance R 6, the other end is connected with the reverse input end of described the second operational amplifier U2; Described second switch K2 is connected with described the 6th resistance R 6; Described the 3rd K switch 3 is connected with the reverse input end of described the second operational amplifier U1 with described the 4th resistance R 4 respectively; Described the 6th resistance R 6 resistances are greater than described the 4th resistance R 4 resistances;
Wherein, in the time that described RF circuit enters emission state, closed described second switch K2, described the 6th resistance R 6 places in circuit, disconnect described the 3rd K switch 3, no longer place in circuit of described the 4th resistance R 4; In the time that described RF circuit exits emission state, closed described the 3rd K switch 3, described the 4th resistance R 4 places in circuit, disconnect described second switch K2, no longer place in circuit of described the 6th resistance R 6.
Above-mentioned regulator, preferred, described primary controller is also provided with the 3rd port and the 4th port, and described the 3rd port, the 4th port are connected with described the second Circuit tuning respectively;
Described primary controller, also in the time that described RF circuit enters and exits emission state, controls described the second Circuit tuning the output voltage of described the second mu balanced circuit is adjusted;
The process of adjusting specifically comprises: described primary controller time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates while transmitting, also generate the second cut-off signal and the second closure signal, by described the 3rd port, described the second closure signal is sent to described second switch K2, by described the 4th port, described the second cut-off signal is sent to described the 3rd K switch 3;
Described primary controller time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates while exiting signal, also generate the 3rd cut-off signal and the 3rd closure signal, by described the 3rd port, described the 3rd cut-off signal is sent to described second switch K2, by described the 4th port, described the 3rd closure signal is sent to described the 3rd K switch 3.
Above-mentioned regulator, preferred, described preinstalled circuit comprises digital circuit.
A kind of integrated circuit, comprises the regulator described in above-mentioned any one.
A kind of electronic equipment, comprises integrated circuit as above.
The application provides a kind of regulator, is applied to an integrated circuit, and this regulator comprises: the first mu balanced circuit and the first Circuit tuning; Wherein, the input end of described the first mu balanced circuit is connected with power supply, and the output terminal of described the first mu balanced circuit is connected with the radio frequency circuit input end in described integrated circuit, and described the first mu balanced circuit is for the voltage of the described RF circuit of stable input; Described the first Circuit tuning is connected with described the first mu balanced circuit, for the output voltage of described the first mu balanced circuit is adjusted.Adopt this regulator, when in the time that RF circuit enters emission state, the raise output voltage of the first mu balanced circuit of the first Circuit tuning adjustment, the voltage of this first mu balanced circuit output is raise, for the transmitting of follow-up RF circuit provides higher voltage, needn't draw electric current in power rail, also just can, on the power supply impact of this first mu balanced circuit input end, not avoid the noise component in power rail to enter in transmitter current.In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning is adjusted described the first mu balanced circuit returns to and enters before emission state, has guaranteed the normal operation of this RF circuit and coupled circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of regulator embodiment 1 of providing of the application;
Fig. 2 is the structural representation of a kind of regulator embodiment 2 of providing of the application;
Fig. 3 is the structural representation of a kind of regulator embodiment 3 of providing of the application;
Fig. 4 is the structural representation of a kind of regulator embodiment 4 of providing of the application;
Fig. 5 is the structural representation of a kind of regulator embodiment 5 of providing of the application;
Fig. 6 is the structural representation of a kind of regulator embodiment 6 of providing of the application;
Fig. 7 is the structural representation of a kind of integrated circuit embodiment 1 of providing of the application;
Fig. 8 is the structural representation of a kind of integrated circuit embodiment 2 of providing of the application.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The operational amplifier relating in the present embodiment is differential signal amplifier, and this operational amplifier in-phase input end voltage is U
+, reverse input end voltage is U
-, output end voltage is U
0, the output end voltage computing formula of operational amplifier is: U
0=U
+-U
-.
Referring to Fig. 1, show the structural representation of a kind of regulator embodiment 1 that the application provides, comprising: the first mu balanced circuit 101 and the first Circuit tuning 102;
Wherein, this regulator is arranged in integrated circuit, has at least one RF circuit in this integrated circuit, and this RF circuit and other circuit share a power rail.
Wherein, the input end of this first mu balanced circuit 101 is connected with power supply, output terminal and RF(Radio Frequency, radio frequency) circuit input end is connected, and described the first mu balanced circuit 101 is for the voltage of the described RF circuit of stable input;
Described the first Circuit tuning 102 is connected with described the first mu balanced circuit 101, for the output voltage of described the first mu balanced circuit 101 is adjusted;
Wherein, in the time that described RF circuit enters emission state, described the first Circuit tuning 102 is adjusted the output voltage of described the first mu balanced circuit 101 that raises; In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning 102 is adjusted described the first mu balanced circuit 101 returns to and enters before emission state.
Concrete, in the time that this RF circuit enters emission state, this RF circuit input voltage need to raise to realize normal transmitting, unaffected in order to guarantee this power rail, need to change the first mu balanced circuit constant from the input voltage of power supply, and the output voltage of this first mu balanced circuit raises, this first Circuit tuning is to this first mu balanced circuit adjustment, so that its output voltage raises.
In like manner, in the time that this RF circuit exits emission state, this RF circuit no longer needs higher input voltage, in order to guarantee the normal work of this RF circuit, this first Circuit tuning is adjusted the output voltage of this first mu balanced circuit to the state entering before emission state, or is called normal condition.
Adopt this regulator, when in the time that RF circuit enters emission state, the raise output voltage of the first mu balanced circuit of the first Circuit tuning adjustment, the voltage of this first mu balanced circuit output is raise, for the transmitting of follow-up RF circuit provides higher voltage, needn't draw electric current in power rail, also just can, on the power supply impact of this first mu balanced circuit input end, not avoid the noise component in power rail to enter in transmitter current.
In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning is adjusted described the first mu balanced circuit returns to and enters before emission state, has guaranteed the normal operation of this RF circuit and coupled circuit.
Referring to Fig. 2, show the structural representation of a kind of regulator embodiment 2 that the application provides, comprising: the first mu balanced circuit 201 and the first Circuit tuning 202;
Wherein, this first mu balanced circuit 201 comprises: the first operational amplifier U1, the first resistance R 1 and the second resistance R 2.
Wherein, the in-phase input end of described the first operational amplifier U1 is connected with power supply, and output terminal is connected with the input end of described RF circuit; Described first resistance R 1 one end ground connection, the other end is connected with the reverse input end of described the first operational amplifier U1; Described second resistance R 2 one end are connected with the reverse input end of described the first operational amplifier U1, and the other end is connected with the output terminal of described the first operational amplifier U1, and the reverse input end of described the first operational amplifier U1 and described output terminal form loop.
Wherein, described the first Circuit tuning 202 comprises: the 3rd resistance R 3 and the first K switch 1.
Wherein, one end ground connection of described the 3rd resistance R 3, the other end is connected with the reverse input end of described the first operational amplifier U1; Described the first K switch 1 is connected with described the 3rd resistance R 3;
The resistance of wherein, in the time that described RF circuit enters emission state, described the first K switch 1 closure, described the 3rd resistance R 3 and described the first resistance R 1 resistance R obtaining in parallel ', this resistance R ' is less than this first resistance R 1.
Suppose that this first operational amplifier U1 output end voltage is U
0, reverse input end voltage is U
f,, in the time that this first K switch 1 is not closed, this U
ffor:
And in the time that this first K switch is closed, the R1 in formula (1) replaces with R ', this U
fdiminish, i.e. diminishing of this first operational amplifier U1 reverse input end, and its positive input is power supply, input voltage is constant, known according to the output end voltage computing formula of operational amplifier, this U
0become large, that is, in the situation that supply voltage not being done to any variation, improved the input voltage of RF circuit.
Wherein, in the time that described RF circuit exits emission state, for making the input voltage of RF circuit recover to enter the state before transmitting, described the first K switch 1 is disconnected, enter before emission state so that the stake resistance resistance of this first operational amplifier U1 is increased to, the 3rd resistance R 3 cut-outs are connected with circuit.
It should be noted that, the resistance of the 3rd resistance R 3, while entering radio frequency state according to this RF circuit, the size of the output voltage that the parameter of this first operational amplifier U1, needs raise and the computing the resistor value of the first resistance R 1 and the second resistance R 2 obtain.
In concrete enforcement, this first K switch 1 can adopt normal open switch, in the time that RF circuit enters radio frequency state, control this first K switch 1 closure, when RF circuit exits the radio frequency state that enters, no longer control this first K switch 1, it disconnects automatically, reduces the kind quantity of control signal.
Adopt this regulator, only need connect a stake resistance that can disconnect at the reverse input end of the first operational amplifier U1, just can realize the output voltage adjustment to the first mu balanced circuit, circuit is simple, workable.
Referring to Fig. 3, show the structural representation of a kind of regulator embodiment 3 that the application provides, comprising: the first mu balanced circuit 301, the first Circuit tuning 302 and primary controller 303;
Wherein, this primary controller is established 303 and is equipped with the first port 304 and the second port 305, and described the first port 304 is connected with described RF circuit, and described the second port 305 is connected with described the first Circuit tuning 302;
Wherein this primary controller 303, enters and exits emission state for controlling described RF circuit, and controls described the first Circuit tuning 302 output voltage of described the first mu balanced circuit 301 is adjusted;
The process of adjusting comprises:
Described primary controller 303 time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates respectively the first closure signal and transmits, described in inciting somebody to action by described the first port 304, transmit and be emitted to described RF circuit, indicate described RF circuit to enter emission state, by described the second port 305, described the first closure signal is emitted to described the first K switch 1;
Primary controller 303 time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates respectively the first cut-off signal and exits signal, described in inciting somebody to action by described the first port, exit signal and be emitted to described RF circuit, indicate described RF circuit to exit emission state, by described the second port, described the first cut-off signal is emitted to described the first K switch 1.
Wherein, this RF circuit enters emission state and controls realization by this primary controller 303, be specially according to the ruuning situation of first pre-conditioned this integrated circuit of judgement, whether meet the requirement that RF enters emission state, if met, generation transmits, and sends to RF signal by this first port 304, to indicate this RF circuit to enter emission state.
Wherein, for make this RF circuit enter emission state draw a large amount of electric current time, when this electric current does not comprise the noise component of other circuit, also will control this first Circuit tuning 302 adjusts the output voltage of this first mu balanced circuit 301, concrete is generation the first closure signal, and this first closure signal is sent to the first K switch 1 of the first Circuit tuning 302, so that the 3rd resistance R 3 is in parallel with the first resistance R 1.
Wherein, primary controller sends a signal to appropriate section and to realize, it is controlled, and the rise time of this signal and transmitting time are determined according to the time resolution characteristics in integrated circuit, make this adjustment reach optimum.
Referring to Fig. 4, show the structural representation of a kind of regulator embodiment 4 that the application provides, comprising: the first mu balanced circuit 401, the first Circuit tuning 402, primary controller 403, the second mu balanced circuit 404 and the second Circuit tuning 405;
Wherein, described the first mu balanced circuit 401, the first Circuit tuning 402 are identical with corresponding construction function in embodiment 3 with primary controller 403, in the present embodiment, repeat no more.
Wherein, the input end of described the second mu balanced circuit 404 is connected with power supply, and the output terminal of described the second mu balanced circuit is connected with a preinstalled circuit input end, and described the second mu balanced circuit 404 is for the voltage of the described preinstalled circuit of stable input; Described the second Circuit tuning 405 is connected with described the second mu balanced circuit 404, for the output voltage of described the second mu balanced circuit 404 is adjusted;
In the time that described RF circuit enters emission state, described the second Circuit tuning 405 is adjusted the output voltage that reduces described the second mu balanced circuit 404; In the time that described RF circuit exits emission state, the output voltage that described the second Circuit tuning 405 is adjusted described the second mu balanced circuit 404 returns to and enters before emission state.
Concrete, in the time that this RF circuit enters emission state, in order to prevent that in this preinstalled circuit, noise component enters in power rail, the input voltage of this preinstalled circuit is reduced, the output voltage that is about to the second mu balanced circuit reduces, this second Circuit tuning is to this second mu balanced circuit adjustment, so that its output voltage reduces.
In like manner, in the time that this RF circuit exits emission state, this RF circuit no longer needs higher input voltage, in order to guarantee the normal work of this preinstalled circuit, this second Circuit tuning is adjusted the output voltage of this second mu balanced circuit to the state entering before emission state, or is called normal condition.
It should be noted that, this preinstalled circuit is that even if the adjustment that its input voltage is reduced, restored does not affect it normally to move yet, this is to disturbing insensitive circuit to comprise: digital circuit etc. to disturbing insensitive circuit.
Adopt this regulator, when in the time that RF circuit enters emission state, the second Circuit tuning adjustment reduces the output voltage of the second mu balanced circuit, make the lower voltage of this second mu balanced circuit output, in the time that the transmitting of RF circuit needs a large amount of electric current, because the voltage of this preinstalled circuit is lower, avoid noise component wherein to enter in transmitter current by power rail.In the time that described RF circuit exits emission state, the output voltage that described the second Circuit tuning is adjusted described the second mu balanced circuit returns to and enters before emission state, has guaranteed the normal operation of this preinstalled circuit.
Referring to Fig. 5, show the structural representation of a kind of regulator embodiment 5 that the application provides, comprising: the first mu balanced circuit 501, the first Circuit tuning 502, primary controller 503, the second mu balanced circuit 504 and the second Circuit tuning 505;
Wherein, the structure of described the first mu balanced circuit 501 and the first Circuit tuning 502 is identical with corresponding construction merit in embodiment 2, in the present embodiment, repeats no more.
Wherein, described the second mu balanced circuit comprises the second operational amplifier U2, the 4th resistance R 4 and the 5th resistance R 5.
Wherein, the in-phase input end of described the second operational amplifier U2 is connected with power supply, and output terminal is connected with the input end of described preinstalled circuit; Described the 4th resistance R 4 one end ground connection, the other end is connected with the reverse input end of described the second operational amplifier U2; Described the 5th resistance R 5 one end are connected with the reverse input end of described the second operational amplifier U2, and the other end is connected with the output terminal of described the second operational amplifier U2, and the reverse input end of described the second operational amplifier and described output terminal form loop.
Wherein, described the second Circuit tuning comprises: the 6th resistance R 6, second switch K2 and the 3rd K switch 3;
Wherein, one end ground connection of described the 6th resistance R 6, the other end is connected with the reverse input end of described the second operational amplifier U2; Described second switch K2 is connected with described the 6th resistance R 6; Described the 3rd K switch 3 is connected with the reverse input end of described the second operational amplifier U1 with described the 4th resistance R 4 respectively; Described the 6th resistance R 6 resistances are greater than described the 4th resistance R 4 resistances;
Wherein, in the time that described RF circuit enters emission state, closed described second switch K2, described the 6th resistance R 6 places in circuit, disconnect described the 3rd K switch 3, no longer place in circuit of described the 4th resistance R 4; In the time that described RF circuit exits emission state, closed described the 3rd K switch 3, described the 4th resistance R 4 places in circuit, disconnect described second switch K2, no longer place in circuit of described the 6th resistance R 6.
Wherein, in the time that this RF circuit enters emission state, closed this second switch K2, in the 6th resistance R 6 places in circuit, disconnect the 3rd K switch 3, the 4th resistance R 4 no longer in place in circuit, has been realized to the 4th resistance R 4 of the 6th resistance R 6 of large resistance being replaced to this less resistance, known according to formula (1), this U
fbecome large, i.e. the change of this second operational amplifier U2 reverse input end is large, and its positive input is power supply, and input voltage is constant, known according to the output end voltage computing formula of operational amplifier, this U
0diminish, that is, in the situation that supply voltage not being done to any variation, reduced the input voltage of preinstalled circuit.
Wherein, in the time that described RF circuit exits emission state, for making the input voltage of this preinstalled circuit recover to enter the state before transmitting, described second switch K2 is disconnected, and by the 3rd K switch 3 closures, realize the 6th resistance R 6 of the 4th resistance R 4 of this less resistance being replaced to large resistance, the stake resistance resistance of this second operational amplifier U2 is reduced to the front state of emission state that enters.
It should be noted that, the resistance of the 6th resistance R 3, while entering radio frequency state according to this RF circuit, the size of the output voltage that the parameter of this second operational amplifier U2, needs reduce and the computing the resistor value of the 4th resistance R 4 and the 5th resistance R 5 obtain.
In concrete enforcement, this second switch K2 can adopt normal open switch, the 3rd K switch 3 to adopt normally closed switch, in the time that RF circuit enters radio frequency state, control this second switch K2 closure and control the 3rd K switch 3 and disconnect, when RF circuit exits the radio frequency state that enters, no longer control this second switch K2 and the 3rd K switch 3, it automatically disconnects or is closed, reduces the kind quantity of control signal.
Wherein, this primary controller not only can be controlled RF circuit and the first Circuit tuning, can also control the second Circuit tuning.
Referring to Fig. 6, show the structural representation of a kind of regulator embodiment 6 that the application provides, comprising: the first mu balanced circuit 601, the first Circuit tuning 602, primary controller 603, the second mu balanced circuit 604 and the second Circuit tuning 605;
Wherein, the structure of described the first mu balanced circuit 601, the first Circuit tuning 602, the second mu balanced circuit 604 and the second Circuit tuning 605 is identical with corresponding construction in embodiment 5 and merit, in the present embodiment, repeats no more.
Described primary controller is also provided with the 3rd port and the 4th port, described the 3rd port, the 4th port are connected with described the second Circuit tuning respectively, for in the time that described RF circuit enters and exits emission state, control described the second Circuit tuning the output voltage of described the second mu balanced circuit is adjusted;
Owing to having two K switch 2 and K3 in the second Circuit tuning, in the process that the output voltage of the second mu balanced circuit is adjusted, need to control respectively these two K switch 2, K3, therefore, this primary controller arranges two ports: the 3rd port and the 4th port, transmit control signal to these two switches.
Wherein, the process of adjusting specifically comprises: described primary controller time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates while transmitting, also generate the second cut-off signal and the second closure signal, by described the 3rd port, described the second closure signal is sent to described second switch K2, by described the 4th port, described the second cut-off signal is sent to described the 3rd K switch 3;
Described primary controller time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates while exiting signal, also generate the 3rd cut-off signal and the 3rd closure signal, by described the 3rd port, described the 3rd cut-off signal is sent to described second switch K2, by described the 4th port, described the 3rd closure signal is sent to described the 3rd K switch 3.
Wherein, this primary controller 603 is controlled this RF circuit and is entered emission state, also controlling the second Circuit tuning 605 adjusts the output voltage of the second mu balanced circuit 604, be specially and generate the second closure signal and the first cut-off signal, and by the 3rd port, the second closure signal is sent to the second switch K2 of the second Circuit tuning 605, by the 4th port, the second cut-off signal is sent to the second Circuit tuning 605 the 3rd K switch 3.
In the time that primary controller 603 is controlled RF circuit and is exited emission state, also controlling the second Circuit tuning 605 adjusts the output voltage of the second mu balanced circuit 604, its adjustment is postbacked and penetrate front state, be specially and generate the 3rd cut-off signal and the 3rd closure signal, and by the 3rd port, the 3rd cut-off signal is sent to second switch K2, by the 4th port, the 3rd closure signal is sent to the 3rd K switch 3.
Wherein, primary controller sends a signal to appropriate section and to realize, it is controlled, and the rise time of this signal and transmitting time are determined according to the time resolution characteristics in integrated circuit, make this adjustment reach optimum.
Corresponding with a kind of regulator embodiment that the application provides, the application also provides a kind of embodiment of integrated circuit.
The structural representation of a kind of integrated circuit embodiment 1 that the application as shown in Figure 7 provides, this integrated circuit comprises: regulator 702 and RF circuit 703 in power supply 701, above-mentioned a kind of regulator embodiment 1;
Wherein, regulator 703 comprises: the first mu balanced circuit and the first Circuit tuning; The input end of described the first mu balanced circuit is connected with power supply, and the output terminal of described the first mu balanced circuit is connected with radio frequency circuit input end, and described the first mu balanced circuit is for the voltage of the described RF circuit of stable input; Described the first Circuit tuning is connected with described the first mu balanced circuit, for the output voltage of described the first mu balanced circuit is adjusted; In the time that described RF circuit enters emission state, the raise output voltage of described the first mu balanced circuit of described the first Circuit tuning adjustment; In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning is adjusted described the first mu balanced circuit returns to and enters before emission state.
Preferably, the first mu balanced circuit of this regulator comprises the first operational amplifier U1, the first resistance R 1 and the second resistance R 2, and the structure of this first mu balanced circuit is consistent with above-mentioned regulator embodiment 2, and the present embodiment repeats no more.
Preferably, the first Circuit tuning of this regulator comprises: the 3rd resistance R 3 and the first K switch 1, and the structure of this first Circuit tuning is consistent with above-mentioned regulator embodiment 2, and the present embodiment repeats no more.
Preferably, this regulator also comprises primary controller, and this primary controller is provided with the first port and the second port, and described the first port is connected with described RF circuit, and described the second port is connected with described the first Circuit tuning; Described primary controller, enters and exits emission state for controlling described RF circuit, and control described the first Circuit tuning the output voltage of described the first mu balanced circuit is adjusted.The detailed process of adjusting is consistent with above-mentioned regulator embodiment 3, and the present embodiment repeats no more.
The structural representation of a kind of integrated circuit embodiment 2 that the application as shown in Figure 8 provides, this integrated circuit comprises: the regulator 802 in power supply 801, above-mentioned a kind of regulator embodiment 1 and RF circuit 803, preinstalled circuit 804;
This regulator comprises the first mu balanced circuit, the first Circuit tuning, primary controller, the second mu balanced circuit and the second Circuit tuning;
Wherein, the input end of described the second mu balanced circuit is connected with power supply, and the output terminal of described the second mu balanced circuit is connected with a preinstalled circuit input end, and described the second mu balanced circuit is for the voltage of the described preinstalled circuit of stable input; Described the second Circuit tuning is connected with described the second mu balanced circuit, for the output voltage of described the second mu balanced circuit is adjusted; In the time that described RF circuit enters emission state, described the second Circuit tuning adjustment reduces the output voltage of described the second mu balanced circuit; In the time that described RF circuit exits emission state, the output voltage that described the second Circuit tuning is adjusted described the second mu balanced circuit returns to and enters before emission state; Wherein, described preinstalled circuit is non-RF circuit.
Preferably, this second mu balanced circuit comprises the second operational amplifier U2, the 4th resistance R 4 and the 5th resistance R 5, and the structure of this second mu balanced circuit is consistent with above-mentioned regulator embodiment 5, and the present embodiment repeats no more.
Preferably, this second Circuit tuning comprises: the 6th resistance R 6, second switch K2 and the 3rd K switch 3, and the structure of this second Circuit tuning is consistent with above-mentioned regulator embodiment 5, and the present embodiment repeats no more.
Preferably, this primary controller also arranges the 3rd port and the 4th port, described the 3rd port, the 4th port are connected with described the second Circuit tuning respectively, for in the time that described RF circuit enters and exits emission state, control described the second Circuit tuning the output voltage of described the second mu balanced circuit is adjusted.The detailed process of adjusting is consistent with above-mentioned regulator embodiment 6, and the present embodiment repeats no more.
Corresponding with a kind of integrated circuit embodiment that the application provides, the application also provides a kind of embodiment of electronic equipment.
In the embodiment of a kind of electronic equipment that the application provides, this electronic equipment comprises integrated circuit related in the embodiment of above-mentioned arbitrary integrated circuit.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a regulator, is characterized in that, comprising: the first mu balanced circuit and the first Circuit tuning;
Wherein, the input end of described the first mu balanced circuit is connected with power supply, and the output terminal of described the first mu balanced circuit is connected with radio frequency circuit input end, and described the first mu balanced circuit is for the voltage of the described RF circuit of stable input;
Described the first Circuit tuning is connected with described the first mu balanced circuit, for the output voltage of described the first mu balanced circuit is adjusted;
In the time that described RF circuit enters emission state, the raise output voltage of described the first mu balanced circuit of described the first Circuit tuning adjustment;
In the time that described RF circuit exits emission state, the output voltage that described the first Circuit tuning is adjusted described the first mu balanced circuit returns to and enters before emission state.
2. regulator according to claim 1, it is characterized in that, described the first mu balanced circuit comprises the first operational amplifier U1, the first resistance R 1 and the second resistance R 2, and the in-phase input end of described the first operational amplifier U1 is connected with power supply, and output terminal is connected with the input end of described RF circuit;
Described first resistance R 1 one end ground connection, the other end is connected with the reverse input end of described the first operational amplifier U1;
Described second resistance R 2 one end are connected with the reverse input end of described the first operational amplifier U1, and the other end is connected with the output terminal of described the first operational amplifier U1, and the reverse input end of described the first operational amplifier and described output terminal form loop.
3. regulator according to claim 2, is characterized in that, described the first Circuit tuning comprises: the 3rd resistance R 3 and the first K switch 1;
Wherein, one end ground connection of described the 3rd resistance R 3, the other end is connected with the reverse input end of described the first operational amplifier U1; Described the first K switch 1 is connected with described the 3rd resistance R 3;
Wherein, in the time that described RF circuit enters emission state, described the first K switch 1 closure, described the 3rd resistance R 3 is in parallel with described the first resistance R 1; In the time that described RF circuit exits emission state, described the first K switch 1 disconnects.
4. regulator according to claim 3, is characterized in that, also comprises: be provided with the primary controller of the first port and the second port, described the first port is connected with described RF circuit, and described the second port is connected with described the first Circuit tuning;
Described primary controller, enters and exits emission state for controlling described RF circuit, and control described the first Circuit tuning the output voltage of described the first mu balanced circuit is adjusted;
The process of adjusting specifically comprises: described primary controller time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates respectively the first closure signal and transmits, described in inciting somebody to action by described the first port, transmit and be emitted to described RF circuit, indicate described RF circuit to enter emission state, by described the second port, described the first closure signal is emitted to described the first K switch 1; Primary controller time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates respectively the first cut-off signal and exits signal, described in inciting somebody to action by described the first port, exit signal and be emitted to described RF circuit, indicate described RF circuit to exit emission state, by described the second port, described the first cut-off signal is emitted to described the first K switch 1.
5. regulator according to claim 4, is characterized in that, also comprises: the second mu balanced circuit and the second Circuit tuning;
Wherein, the input end of described the second mu balanced circuit is connected with power supply, and the output terminal of described the second mu balanced circuit is connected with a preinstalled circuit input end, and described the second mu balanced circuit is for the voltage of the described preinstalled circuit of stable input;
Described the second Circuit tuning is connected with described the second mu balanced circuit, for the output voltage of described the second mu balanced circuit is adjusted;
In the time that described RF circuit enters emission state, described the second Circuit tuning adjustment reduces the output voltage of described the second mu balanced circuit;
In the time that described RF circuit exits emission state, the output voltage that described the second Circuit tuning is adjusted described the second mu balanced circuit returns to and enters before emission state;
Wherein, described preinstalled circuit is non-RF circuit.
6. regulator according to claim 5, it is characterized in that, described the second mu balanced circuit comprises the second operational amplifier U2, the 4th resistance R 4 and the 5th resistance R 5, and the in-phase input end of described the second operational amplifier U2 is connected with power supply, and output terminal is connected with the input end of described preinstalled circuit;
Described the 4th resistance R 4 one end ground connection, the other end is connected with the reverse input end of described the second operational amplifier U2;
Described the 5th resistance R 5 one end are connected with the reverse input end of described the second operational amplifier U2, and the other end is connected with the output terminal of described the second operational amplifier U2, and the reverse input end of described the second operational amplifier and described output terminal form loop.
7. regulator according to claim 6, is characterized in that, described the second Circuit tuning comprises: the 6th resistance R 6, second switch K2 and the 3rd K switch 3;
Wherein, one end ground connection of described the 6th resistance R 6, the other end is connected with the reverse input end of described the second operational amplifier U2; Described second switch K2 is connected with described the 6th resistance R 6; Described the 3rd K switch 3 is connected with the reverse input end of described the second operational amplifier U1 with described the 4th resistance R 4 respectively; Described the 6th resistance R 6 resistances are greater than described the 4th resistance R 4 resistances;
Wherein, in the time that described RF circuit enters emission state, closed described second switch K2, described the 6th resistance R 6 places in circuit, disconnect described the 3rd K switch 3, no longer place in circuit of described the 4th resistance R 4; In the time that described RF circuit exits emission state, closed described the 3rd K switch 3, described the 4th resistance R 4 places in circuit, disconnect described second switch K2, no longer place in circuit of described the 6th resistance R 6.
8. regulator according to claim 7, is characterized in that, described primary controller is also provided with the 3rd port and the 4th port, and described the 3rd port, the 4th port are connected with described the second Circuit tuning respectively;
Described primary controller, also in the time that described RF circuit enters and exits emission state, controls described the second Circuit tuning the output voltage of described the second mu balanced circuit is adjusted;
The process of adjusting specifically comprises: described primary controller time resolution characteristics parameter pre-conditioned according to first and described integrated circuit generates while transmitting, also generate the second cut-off signal and the second closure signal, by described the 3rd port, described the second closure signal is sent to described second switch K2, by described the 4th port, described the second cut-off signal is sent to described the 3rd K switch 3;
Described primary controller time resolution characteristics parameter pre-conditioned according to second and described integrated circuit generates while exiting signal, also generate the 3rd cut-off signal and the 3rd closure signal, by described the 3rd port, described the 3rd cut-off signal is sent to described second switch K2, by described the 4th port, described the 3rd closure signal is sent to described the 3rd K switch 3.
9. regulator according to claim 5, is characterized in that, described preinstalled circuit comprises digital circuit.
10. an integrated circuit, is characterized in that, comprises the regulator as described in claim 1-9 any one.
11. 1 kinds of electronic equipments, is characterized in that, comprise integrated circuit as claimed in claim 10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085662.3A CN103823500B (en) | 2014-03-10 | 2014-03-10 | Voltage regulator, integrated circuit and electronic equipment |
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|---|---|---|---|
| CN201410085662.3A CN103823500B (en) | 2014-03-10 | 2014-03-10 | Voltage regulator, integrated circuit and electronic equipment |
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| CN103823500A true CN103823500A (en) | 2014-05-28 |
| CN103823500B CN103823500B (en) | 2017-01-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104467A1 (en) * | 2017-11-28 | 2019-06-06 | 深圳市汇顶科技股份有限公司 | Voltage regulator and power supply |
| CN113259012A (en) * | 2021-03-31 | 2021-08-13 | 武汉英飞光创科技有限公司 | Multichannel high-voltage circuit that optical module was used |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229149A1 (en) * | 2006-03-30 | 2007-10-04 | Sandisk Corporation | Voltage regulator having high voltage protection |
| CN101196756A (en) * | 2006-12-06 | 2008-06-11 | 奇梦达北美公司 | Voltage regulator |
| JP2013012000A (en) * | 2011-06-29 | 2013-01-17 | Mitsumi Electric Co Ltd | Semiconductor integrated circuit for regulator |
| CN203038149U (en) * | 2012-09-28 | 2013-07-03 | 中兴通讯股份有限公司 | Programmable low dropout linear regulator and sampling and feedback circuit thereof |
| CN103543776A (en) * | 2012-07-11 | 2014-01-29 | 旺宏电子股份有限公司 | Voltage buffering device |
-
2014
- 2014-03-10 CN CN201410085662.3A patent/CN103823500B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229149A1 (en) * | 2006-03-30 | 2007-10-04 | Sandisk Corporation | Voltage regulator having high voltage protection |
| CN101196756A (en) * | 2006-12-06 | 2008-06-11 | 奇梦达北美公司 | Voltage regulator |
| US20080136396A1 (en) * | 2006-12-06 | 2008-06-12 | Benjamin Heilmann | Voltage Regulator |
| JP2013012000A (en) * | 2011-06-29 | 2013-01-17 | Mitsumi Electric Co Ltd | Semiconductor integrated circuit for regulator |
| CN103543776A (en) * | 2012-07-11 | 2014-01-29 | 旺宏电子股份有限公司 | Voltage buffering device |
| CN203038149U (en) * | 2012-09-28 | 2013-07-03 | 中兴通讯股份有限公司 | Programmable low dropout linear regulator and sampling and feedback circuit thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104467A1 (en) * | 2017-11-28 | 2019-06-06 | 深圳市汇顶科技股份有限公司 | Voltage regulator and power supply |
| US10599173B2 (en) | 2017-11-28 | 2020-03-24 | Shenzhen GOODIX Technology Co., Ltd. | Voltage regulator and power supply |
| CN113259012A (en) * | 2021-03-31 | 2021-08-13 | 武汉英飞光创科技有限公司 | Multichannel high-voltage circuit that optical module was used |
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|---|---|
| CN103823500B (en) | 2017-01-18 |
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