CN111464205A - Communication terminal signal conditioning circuit - Google Patents
Communication terminal signal conditioning circuit Download PDFInfo
- Publication number
- CN111464205A CN111464205A CN202010355024.4A CN202010355024A CN111464205A CN 111464205 A CN111464205 A CN 111464205A CN 202010355024 A CN202010355024 A CN 202010355024A CN 111464205 A CN111464205 A CN 111464205A
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- resistor
- power
- signal
- transistor
- triode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Abstract
The invention relates to a communication terminal signal regulating circuit, wherein a power signal tracking circuit acquires a transmitter power signal corresponding to an input mobile terminal-to-base station positioning signal through a first amplifier, a second amplifier acquires a detected power loss signal from a mobile terminal to a base station, the detected power loss signal enters a power variation signal processing circuit, an adder is adopted for coupling and then outputting a power variation signal, when the variation of the power variation signal is higher than a threshold value, the power variation signal and the original mobile terminal transmitter power signal are subjected to signal conversion through a photocoupler U2 or U3, the converted signal triggers a triode Q2 or Q3 to be conducted and then enters a transmitting power regulating circuit, the power variation signal is filtered through an inductor L2, the triode Q4 and Q5 are stabilized, the photocoupler U1 and the triode Q1 are further fed back for power consumption compensation or voltage stabilization, a capacitor C5 and the triode Q6 are further fed back for filtering and then are fed back or positively fed back to the power amplifier through a conducted triode Q2 or Q3, and the power regulation of the mobile terminal transmitter.
Description
Technical Field
The invention relates to the technical field of communication terminals, in particular to a communication terminal signal regulating circuit.
Background
The communication terminal is a direct tool enjoying different information applications (communication services), and bears various tasks such as providing a good user interface for users, completing required service functions, accessing a communication network and the like, because the mobile terminal (including a mobile phone, a notebook, a tablet computer, a POS machine and even a vehicle-mounted computer) is used in moving, the mobile terminal close to a base station is generally arranged to output transmission signals by using low output power, the terminal far away from the base station amplifies and outputs the transmission signals by using high output power, and the power loss from the base station to the mobile terminal is continuously changed along with the moving and the influence of the transmission environment, so that the power of a transmitter of the mobile terminal is required to be adjusted to ensure the communication quality of the mobile terminal.
Disclosure of Invention
In view of the above situation, an object of the present invention is to provide a communication terminal signal adjusting circuit, which can adjust the power of the transmitter of the mobile terminal according to the distance between the mobile terminal and the base station and the power loss, thereby ensuring the communication quality of the mobile terminal.
The technical scheme includes that the power signal tracking circuit comprises a power signal tracking circuit, a power variation signal processing circuit and a transmitting power adjusting circuit and is characterized in that the power signal tracking circuit acquires a transmitter power signal corresponding to an input mobile terminal-to-base station positioning signal through a first amplifier, a second amplifier acquires a detected power loss signal from a mobile terminal to a base station, the detected power loss signal enters the power variation signal processing circuit, an adder is adopted for coupling and then outputs a power variation signal, when the variation of the power variation signal is higher than a threshold value, the power variation signal and an original mobile terminal transmitter power signal are converted through a photoelectric coupler U2 or U3 which are connected in parallel, the converted signal is output through a diode D5 or D6 and triggers a triode Q2 or Q3 to be conducted, the transmitting power adjusting circuit receives the converted signal and conducts filtering through an inductor L2, a triode Q4 and a Q5 to stabilize voltage, a photoelectric coupler U1 and a triode Q1 further feed back to perform power compensation or voltage stabilization, a capacitor C5 and a triode Q6 and further feed back the filtered signal to a conductive Q2 or a Q3 terminal to realize power adjustment and then the transmitter to realize positive feedback power adjustment.
Preferably, the power variation signal processing circuit includes an operational amplifier AR, a non-inverting input terminal of the operational amplifier AR receives an output signal of the power signal tracking circuit, an inverting input terminal of the operational amplifier AR is connected to one end of a ground resistor R and one end of a resistor R, an output terminal of the operational amplifier AR is connected to the other end of the resistor R, one end of the resistor R, a positive electrode of a diode D, and a pin 2 of a photocoupler U, the other end of the resistor R is connected to an inverting input terminal of the operational amplifier AR, a non-inverting input terminal of the operational amplifier AR is connected to one end of the resistor R and one end of the ground resistor R, an output terminal of the operational amplifier AR is connected to one end of the resistor R, the other end of the resistor R is connected to the other end of the resistor R, an upper end of a bidirectional regulator Z, and a control electrode of a thyristor VT 1, a lower end of the bidirectional regulator Z is grounded, an anode of the thyristor VT 1 is connected to a primary transmitter power signal, a cathode of the thyristor VT 1 is connected to a positive electrode of the diode D, a pin 2 of the photocoupler U, a pin 3 of the diode D is connected to a positive electrode of the ground resistor R, a negative electrode of the triode C is connected to a negative electrode of the triode Q, a negative electrode of the triode C + a power amplifier, a negative electrode of the triode Q is connected to a negative electrode of the triode C + a power amplifier, a negative electrode of the triode C, a triode, a power amplifier, a triode C + a negative electrode of the triode, a triode C is connected to the triode, a negative electrode of the triode, a power amplifier, a negative electrode of the triode, a power amplifier, a negative electrode of the triode Q + a.
The invention has the advantages that 1, an adder amplifies a transmitter power signal corresponding to a mobile terminal to base station positioning signal input by a first amplifier and a power loss signal corresponding to a mobile terminal to base station positioning signal input by a second amplifier, the adder outputs a power variation signal after addition operation, one path of the power variation signal is added to a pin 1 of a photoelectric coupler U2 and a pin 2 of a photoelectric coupler U3, the other path of the power variation signal enters a hysteresis comparator, when the variation of the power variation signal is higher than a high threshold value or lower than a low threshold value, the original mobile terminal transmitter power signal is added to a pin 1 of a photoelectric coupler U3 and a pin 2 of a photoelectric coupler U2, the photoelectric coupler U2 or U3 carries out signal conversion, one path of the converted signals triggers a triode Q2 to be conducted or the Q3 to be conducted, the other path of the converted signals is filtered by an inductor L and serially connected with a capacitor C4, triodes Q4 and Q5 stabilize the voltage, a signal is output by a collector electrode of a triode Q3 which is conducted to be negatively fed back to the power amplifier in a mobile terminal transmitter, so that the gain of the mobile terminal transmitter is reduced, or the triode Q3 is conducted, the power amplifier is connected, the collector electrode of the mobile terminal, the;
2, when the peak signal is great, take and strengthen the filtering effect, when the peak signal is great, take and strengthen the steady voltage effect, or when the peak signal is great, the consumption signal surpassed diode D1's conduction voltage value, compensation, change hysteresis voltage scope, and then adjust power variation signal processing circuit operating frequency, make the emission power regulating circuit follow power variation signal processing circuit output steady change's voltage, avoid appearing unnecessary regulation, leak the phenomenon of regulation.
Drawings
Fig. 1 is a schematic diagram of the circuit connection of the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
A communication terminal signal conditioning circuit comprises a power signal tracking circuit, a power variation signal processing circuit and a transmitting power conditioning circuit, wherein the power signal tracking circuit amplifies an input power signal of a transmitter corresponding to a mobile terminal to a base station positioning signal through a first amplifier, then filters a ripple through an inductor 1 and a capacitor C, enters the power variation signal processing circuit, amplifies an input power loss signal from the mobile terminal to the base station through a second amplifier, enters the power variation signal processing circuit, the power variation signal processing circuit outputs a power variation signal through an adder, one path of the power variation signal is added to a pin 1 of a photoelectric coupler U and a pin 2 of a photoelectric coupler U through a diode D, the other path of the power variation signal enters a hysteresis comparator composed of an operational amplifier AR, a resistor R-resistor R and a bidirectional regulator tube Z through a resistor R, when the variation of the power variation signal is higher than a high threshold value or lower than a low threshold value, a trigger thyristor VT 1 is turned on at the moment, the original power signal of the mobile terminal transmitter is added to a pin 1 of the triode U and a pin 2 of the photoelectric coupler U and a transistor U, the triode Q, the triode C or the triode C is connected in series, the triode C, the triode;
the power signal tracking circuit amplifies a transmitter power signal corresponding to an input mobile terminal to base station positioning signal through a first amplifier consisting of an operational amplifier AR and a resistor R-resistor R (according to a distance signal from a positioned mobile terminal to a base station, the transmitter power signal is obtained from a transmitter power signal corresponding to a pre-stored distance, which is the prior art and is not described in detail herein), then enters a power variation signal processing circuit after being filtered by an inductor 1 and a capacitor C, and then enters the power variation signal processing circuit through the operational amplifier AR, the resistor R and a second amplifier consisting of a potentiometer RP and a resistor R connected in series as feedback resistors (a power loss signal can be provided by a power consumption measuring instrument) to amplify the power loss signal from the input mobile terminal to the base station through the operational amplifier AR, the power loss signal enters the power variation signal processing circuit and comprises the resistor R and the resistor R, one end of the resistor R is connected with the detected power loss signal from the mobile terminal to the base station, the other end of the resistor R is respectively connected with a non-inverting input end of the operational amplifier AR, a left end and an adjustable end of the potentiometer R, the operational amplifier R is connected with an inverting input end of the operational amplifier R, the other end of the operational amplifier R is connected with an inverting input end of the operational amplifier R, the resistor R, the other end of the operational amplifier R is connected with an inverting input end of the operational amplifier R, the operational amplifier R is connected with the other end of the operational amplifier R, the operational amplifier R;
the power change signal processing circuit is connected with a transmitter power signal and a power loss signal corresponding to a positioning signal through a resistor R40 and a resistor R9 respectively to a non-inverting input terminal of an operational amplifier AR3, the operational amplifier AR3, the resistor R5 and the resistor R5 form an adder, the resistor R5 is set to have the same value with the resistor R5 and the resistor R5, the output signal of the operational amplifier AR 5 is the sum of signals at two input ends, the power change signal is output after addition, one of the power change signal is added to a pin 1 of the photoelectric coupler U5 and a pin 2 of the U5 through a diode D5, the other circuit enters a non-inverting input terminal of the operational amplifier AR 72 through the resistor R5, wherein the operational amplifier AR 72, the resistor R5-the resistor R5, the resistor R5-the resistor R5 and the triode R5 are connected with a voltage stabilizing diode D, the positive electrode of a power output terminal of a triode VT-365, the power transistor, the power amplifier 5 is connected with a power transistor, the power output terminal of a power transistor, the power regulator 5, the power transistor VT, the power amplifier 5, the power transistor, the power amplifier 5, the transistor, the power is connected with a power transistor, the power regulator 5, the power transistor, the power output, the power amplifier 5, the power transistor VT is connected with the power, the power transistor VT, the power transistor, the power amplifier 5, the power, the transistor VT is connected with the power regulator 5, the power transistor, the power amplifier 5, the power transistor VT is connected with the power, the transistor, the power transistor, the power output, the power transistor, the power output, the transistor, the power, the transistor, the power output, the transistor is connected with the transistor, the power output, the power output, the power, the transistor is connected with the transistor, the power transistor, the power transistor, the power, the transistor, the power output, the transistor, the power output, the power, the transistor, the power output, the power, the transistor, the power output, the power output terminal of the power, the power transistor, the power output, the transistor, the power, the transistor, the power, the transistor, the power, the transistor is connected, the transistor, the;
the emitting power regulating circuit receives signals converted by the power variation signal processing circuit, the signals are filtered by a capacitor C connected in series with an inductor 2, a triode Q and a transistor Q are stabilized, specifically, the triode Q is a comparison tube, the triode Q is an adjusting tube, the resistor R and the resistor R sample and feed back the variation of the emitting voltage of the emitting electrode of the triode Q to the base electrode of the triode Q, the base electrode of the triode Q outputs opposite voltage (the variation of the output voltage is reduced, the base electrode of the triode Q is increased, the variation of the output voltage is increased, the base electrode of the triode Q is reduced), the output voltage of the emitting electrode of the triode Q is stabilized, the output voltage of the emitting electrode of the triode Q further absorbs peaks through a thermistor R and a capacitor C, when the peak signal is larger, the triode Q is triggered to be conducted, the signal is filtered by the capacitor C and an inductor 3 after being converted by the resistor R2, and the emitter electrode of the ground signal is connected in parallel with the emitter electrode of the inductor C, and the emitter electrode of the inductor D, and the emitter electrode of the triode Q is connected with the emitter electrode of the triode Q, the emitter electrode of the triode Q, the emitter electrode of the triode Q, the emitter electrode of the emitter of the triode Q is connected with the emitter of the triode Q, the emitter of the triode Q, the emitter of the triode Q is connected with the emitter of the triode Q, the emitter of the triode Q, the emitter of the.
When the power signal tracking circuit is used, the power signal tracking circuit amplifies a transmitter power signal corresponding to an input mobile terminal to a base station positioning signal through a first amplifier composed of an operational amplifier AR and a resistor R-resistor R, then the transmitter power signal enters a power variation signal processing circuit after a ripple is filtered through an inductor 1 and a capacitor C, a transmitter power signal and a power loss signal which are input to a base station are amplified through the operational amplifier AR, the resistor R and a second amplifier composed of a potentiometer RP and a resistor R connected in series as feedback resistors and enter a power variation signal processing circuit, the power variation signal processing circuit respectively accesses a transmitter power signal and a power loss signal corresponding to a positioning signal through the resistor R and the resistor R to a non-inverting input end of the operational amplifier AR, the resistor R and the resistor R form an adder, the power variation signal is output after addition operation, one path is added to a pin 1 of the photoelectric coupler U and a pin 2 of the photoelectric coupler U through the diode D, the other path enters a non-inverting input end of the operational amplifier AR, wherein the operational amplifier AR, the operational amplifier R, the resistor R, the D, the triode D, the.
Claims (3)
1. A communication terminal signal regulating circuit comprises a power signal tracking circuit, a power variation signal processing circuit and a transmitting power regulating circuit, and is characterized in that the power signal tracking circuit acquires a transmitter power signal corresponding to an input mobile terminal-to-base station positioning signal through a first amplifier, a second amplifier acquires a detected power loss signal from the mobile terminal to the base station, the detected power loss signal enters the power variation signal processing circuit, an adder is adopted for coupling and then outputs a power variation signal, when the variation of the power variation signal is higher than a threshold value, the power variation signal and an original mobile terminal transmitter power signal are subjected to signal conversion through a photoelectric coupler U2 or U3 which are connected in parallel, the converted signal is output through a diode D5 or D6 and triggers a triode Q2 or Q3 to be conducted, the transmitting power regulating circuit receives the converted signal and conducts filtering through an inductor L2, a triode Q4 and a Q5 to stabilize voltage, the photoelectric coupler U1 and a triode Q1 further feed back to compensate or stabilize voltage, a capacitor C5 and a triode Q6 further feed back the filtered signal and then conduct filtering and then the power regulation through a positive feedback power amplifier Q2 or a Q3 to realize mobile terminal power regulation.
2. The communication terminal signal conditioning circuit according to claim 1, wherein the power signal tracking circuit comprises a resistor R1 and a resistor R6, one end of the resistor R1 is connected to the detected power loss signal of the mobile terminal to the base station, the other end of the resistor R1 is connected to the non-inverting input terminal of the operational amplifier AR2, the left end and the adjustable end of the potentiometer RP1, the inverting input terminal of the operational amplifier AR2 is connected to ground through a resistor R2, the right end of the potentiometer RP1 is connected to one end of a resistor R3, the other end of the resistor R3 is connected to the output terminal of the operational amplifier AR2 and one end of the resistor R5, one end of the resistor R6 is connected to the transmitter power signal corresponding to the base station positioning signal, the other end of the resistor R6 is connected to the non-inverting input terminal of the operational amplifier AR 72 and one end of the potentiometer R1, the inverting input terminal of the operational amplifier 1 is connected to ground through a resistor R1, the other end of the operational amplifier R1 is connected to the output terminal of the operational amplifier 1, the other end of the resistor R1 is connected to the output terminal 1, the output terminal of the capacitor R1, and the other end of the resistor R1 is connected to the output terminal 1, the output terminal
The communication terminal signal conditioning circuit of claim 1, wherein the power variation signal processing circuit comprises an operational amplifier AR, a non-inverting input terminal of the operational amplifier AR receives an output signal of the power signal tracking circuit, an inverting input terminal of the operational amplifier AR is connected to one end of a ground resistor R and one end of a resistor R, an output terminal of the operational amplifier AR is connected to the other end of the resistor R, one end of the resistor R, a positive electrode of the diode D, and a pin 2 of the photocoupler U, respectively, the other end of the resistor R is connected to an inverting input terminal of the operational amplifier AR, a non-inverting input terminal of the operational amplifier AR is connected to one end of the resistor R and one end of the ground resistor R, an output terminal of the operational amplifier AR is connected to one end of the resistor R, the other end of the resistor R is connected to the other end of the resistor R, an upper end of the bidirectional regulator Z and a control electrode of the thyristor VT 1, a lower end of the bidirectional regulator Z is connected to ground, an anode of the thyristor VT 1 is connected to a power signal of a primary emitter, a cathode of the thyristor VT 1 is connected to a positive electrode of the diode D, a pin 2 of the diode D, a pin 3 of the photocoupler U is connected to a ground, a negative electrode of the power amplifier U, a negative electrode of the power amplifier R + a power amplifier Q, a negative electrode of the power amplifier Q + a power amplifier Q, a negative electrode of the triode Q, a power amplifier Q + a transistor Q, a negative electrode of the triode Q, a transistor Q + a transistor Q, a transistor Q is connected to a negative electrode of the transistor Q, a transistor Q + a transistor Q, a.
3. The communication terminal signal conditioning circuit as claimed in claim 1, wherein the transmission power conditioning circuit includes an inductor 2, one end of the inductor 2 is connected to the output signal of the power variation signal processing circuit, the other end of the inductor 2 is connected to one end of a grounding capacitor C, one end of an inductor 3, and one end of a resistor R, the other end of the resistor R is connected to one end of a resistor R and a collector of a transistor Q, the other end of the resistor R is connected to the collector of the transistor Q, the base of the transistor Q, the emitter of the transistor Q is connected to one end of a resistor R, the emitter of the transistor Q, and the emitter of the transistor Q, the other end of the resistor R is connected to the base of the transistor Q and one end of a grounding resistor R, the other end of the resistor R is connected to the cathode of the transistor Z and the emitter of the transistor Q, the anode of the resistor Z is connected to ground, the anode of the resistor Z is connected to the ground, the other end of the capacitor C, the other end of the resistor R is connected to one end of the emitter of the transistor Q, the cathode of the resistor R is connected to the emitter of the transistor Z, the emitter of the transistor Q, the emitter of the resistor R is connected to the anode of the transistor Q, the ground of the resistor R, the resistor R is connected to the emitter of the transistor Q, the ground, the resistor R is connected to the emitter of the ground, the transistor Q, the resistor R is connected to the emitter of the resistor R, the ground of the transistor Q, the resistor R is connected to the ground, the emitter of the resistor R, the ground of the resistor R, the emitter of the resistor R is connected to the ground of the resistor R, the ground of the transistor Q.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010355024.4A CN111464205B (en) | 2020-04-29 | 2020-04-29 | Communication terminal signal conditioning circuit |
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| CN202010355024.4A CN111464205B (en) | 2020-04-29 | 2020-04-29 | Communication terminal signal conditioning circuit |
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| CN111464205A true CN111464205A (en) | 2020-07-28 |
| CN111464205B CN111464205B (en) | 2021-07-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098083A (en) * | 2021-03-29 | 2021-07-09 | 上海博昂电气有限公司 | Wireless electromagnetic wave constant power emission charging device |
| CN113783578A (en) * | 2021-11-11 | 2021-12-10 | 江西影创信息产业有限公司 | Communication module of MR glasses under complicated electromagnetic environment |
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| JP3265391B2 (en) * | 1996-02-06 | 2002-03-11 | 株式会社椿本チエイン | Voltage detection circuit |
| JP2016197570A (en) * | 2015-04-06 | 2016-11-24 | 株式会社アイ・ライティング・システム | Lighting control circuit for illumination power supply device |
| WO2019096715A1 (en) * | 2017-11-15 | 2019-05-23 | Signify Holding B.V. | Switched mode power converter and conversion method |
| CN109794405A (en) * | 2019-02-18 | 2019-05-24 | 河南中医药大学 | High intensity focused ultrasound signal calibration circuit |
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2020
- 2020-04-29 CN CN202010355024.4A patent/CN111464205B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3265391B2 (en) * | 1996-02-06 | 2002-03-11 | 株式会社椿本チエイン | Voltage detection circuit |
| JP2016197570A (en) * | 2015-04-06 | 2016-11-24 | 株式会社アイ・ライティング・システム | Lighting control circuit for illumination power supply device |
| WO2019096715A1 (en) * | 2017-11-15 | 2019-05-23 | Signify Holding B.V. | Switched mode power converter and conversion method |
| CN109794405A (en) * | 2019-02-18 | 2019-05-24 | 河南中医药大学 | High intensity focused ultrasound signal calibration circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098083A (en) * | 2021-03-29 | 2021-07-09 | 上海博昂电气有限公司 | Wireless electromagnetic wave constant power emission charging device |
| CN113783578A (en) * | 2021-11-11 | 2021-12-10 | 江西影创信息产业有限公司 | Communication module of MR glasses under complicated electromagnetic environment |
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