CN204794932U - Pin drive circuit - Google Patents
Pin drive circuit Download PDFInfo
- Publication number
- CN204794932U CN204794932U CN201520510528.3U CN201520510528U CN204794932U CN 204794932 U CN204794932 U CN 204794932U CN 201520510528 U CN201520510528 U CN 201520510528U CN 204794932 U CN204794932 U CN 204794932U
- Authority
- CN
- China
- Prior art keywords
- resistance
- triode
- electric capacity
- diode
- power input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model relates to a driver. The utility model provides a PIN driver switching time is big, and switching frequency is low, influence the switching time of microwave switch, and PIN driver output voltage can not realize that negative pressure and high malleation switch, and it is little to control reverse biased voltage, leads to microwave switch reverse isolation degree subalternation problem to provide a PIN drive circuit, including triode no. 1, triode no. 2, triode no. 3, resistance no. 1, resistance no. 2, resistance no. 3, resistance no. 4, resistance no. 5, resistance six, resistance seven, diode no. 1, diode no. 2, electric capacity no. 1, electric capacity no. 2, electric capacity no. 3, power input end no. 1, power input end no. 2, signal input part and signal output part. Improve the switching time of microwave switch, realized communication system passageway fast switch over, improved the reverse isolation degree of microwave switch, be favorable to receiving and dispatching the channel and keep apart, drive circuit simple structure, the integrated level is high, is favorable to impeing communication system high integration and miniaturized development. Be applicable to the PIN driver.
Description
Technical field
The utility model relates to driver, particularly PIN driver.
Background technology
Along with the development of the wireless communication industry such as satellite communication, Aero-Space, radar transmit-receive system, electronic countermeasures, require that microwave switch has high speed, filter with low insertion loss, high reverse isolation degree, powerful demand grow with each passing day.The performance main devices affecting switch is PIN diode and driver, and when PIN diode is certain, driver can provide enough negative pressure electric currents when PIN diode conducting, then can effectively reduce forward conduction Insertion Loss; If can provide enough reversed bias voltages when PIN diode is oppositely ended, then effectively can promote the reverse isolation degree of diode, the switching speed of driver will have a strong impact on index switching time of microwave switch simultaneously.Current domestic PIN driver adopts three not gates to complete the isolation of control signal, and the switch mosfet pipe of control P raceway groove and the switch mosfet pipe break-make of N raceway groove realize the switching of high pressure, and operating frequency only has 2KHz, and during high-frequency work, pipe heating is serious.
There is following problem in existing PIN driver design:
The 1.PIN driver switch time large (being greater than 300ns), switching frequency is low, has had a strong impact on the switching time of microwave switch;
2.PIN driver output voltage can not realize negative pressure and high malleation switches, and controls reversed bias voltage little (being less than 30V), causes
Microwave switch reverse isolation degree is poor, affects the transmitting-receiving index in communication system;
3.PIN actuator drive current little (being less than 100mA), can not drive simultaneously organize microwave switch more, cannot realize complementary output, is unfavorable for that communication system miniaturization is integrated.
Utility model content
Technical problem to be solved in the utility model, is just to provide a kind of PIN drive circuit to realize the effect of the switching time of improving driver.
The utility model solve the technical problem, and the technical scheme of employing is, PIN drive circuit comprises triode one, triode two, triode three, resistance one, resistance two, resistance three, resistance four, resistance five, resistance six, resistance seven, diode one, diode two, electric capacity one, electric capacity two, electric capacity three, power input one, power input two, signal input part and signal output part, described signal input part respectively with one end of resistance four, the negative pole of diode one, one end of one end of electric capacity two and electric capacity one connects, the other end ground connection of resistance four, and the positive pole of diode one is connected with one end of resistance five, the other end of resistance five respectively with the other end of electric capacity two, one end of the base stage of triode three and electric capacity seven connects, the other end of electric capacity seven respectively with the emitter of triode three, one end and the power input two of electric capacity three connect, the other end ground connection of electric capacity three, and the collector electrode of triode three is connected with one end of resistance six, the other end of resistance six respectively with the negative pole of diode two, the base stage of triode two, the collector electrode of triode one and one end of resistance two connect, the positive pole of diode two is connected with the emitter of triode two and signal output part respectively, the collector electrode of triode two is connected with one end of resistance three, the base stage of triode one is connected with one end of resistance one and the other end of electric capacity one respectively, the other end of resistance one, the emitter of triode one, the other end of resistance two and the other end of resistance three are connected with power input one respectively.
Concrete, described resistance six is adjustable resistance.
Concrete, described power input one is 50V power input.
Concrete, described power input two is-5V power input.
Concrete, described diode one is voltage stabilizing didoe.
The beneficial effects of the utility model are: the switching time that improve microwave switch, realize communication system passage and switch fast; Improve the reverse isolation degree of microwave switch, be conducive to transceiver channel isolation; Driving circuit structure is simple, and integrated level is high, is conducive to advancing communication system high integration and miniaturization.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the utility model PIN drive circuit embodiment.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with drawings and Examples:
The utility model is large for the PIN driver switch time in prior art, switching frequency is low, have a strong impact on the switching time of microwave switch, PIN driver output voltage can not realize negative pressure and high malleation switches, control reversed bias voltage is little, cause microwave switch reverse isolation degree poor, affect the transmitting-receiving index in communication system, and PIN actuator drive current is little, can not drive simultaneously organize microwave switch more, cannot complementary output be realized, be unfavorable for the miniaturized problem such as integrated of communication system, a kind of PIN drive circuit is provided, comprises triode one, triode two, triode three, resistance one, resistance two, resistance three, resistance four, resistance five, resistance six, resistance seven, diode one, diode two, electric capacity one, electric capacity two, electric capacity three, power input one, power input two, signal input part and signal output part, described signal input part respectively with one end of resistance four, the negative pole of diode one, one end of one end of electric capacity two and electric capacity one connects, the other end ground connection of resistance four, and the positive pole of diode one is connected with one end of resistance five, the other end of resistance five respectively with the other end of electric capacity two, one end of the base stage of triode three and electric capacity seven connects, the other end of electric capacity seven respectively with the emitter of triode three, one end and the power input two of electric capacity three connect, the other end ground connection of electric capacity three, and the collector electrode of triode three is connected with one end of resistance six, the other end of resistance six respectively with the negative pole of diode two, the base stage of triode two, the collector electrode of triode one and one end of resistance two connect, the positive pole of diode two is connected with the emitter of triode two and signal output part respectively, the collector electrode of triode two is connected with one end of resistance three, the base stage of triode one is connected with one end of resistance one and the other end of electric capacity one respectively, the other end of resistance one, the emitter of triode one, the other end of resistance two and the other end of resistance three are connected with power input one respectively.Improve the switching time of microwave switch, realize communication system passage and switch fast; Improve the reverse isolation degree of microwave switch, be conducive to transceiver channel isolation; Driving circuit structure is simple, and integrated level is high, is conducive to advancing communication system high integration and miniaturization.
Embodiment
The PIN drive circuit of this example, as shown in Figure 1, comprises triode one (Q1), triode two (Q2), triode three (Q3), resistance one (R1), resistance two (R2), resistance three (R3), resistance four (R4), resistance five (R5), resistance six (R6), resistance seven (R7), diode one (D1), diode two (D2), electric capacity one (C1), electric capacity two (C2), electric capacity three (C3), power input one, power input two, signal input part (IN) and signal output part (OUT), described signal input part (IN) respectively with one end of resistance four (R4), the negative pole of diode one (D1), one end of electric capacity two (C2) and one end of electric capacity one (C1) connect, the other end ground connection of resistance four (R4), the positive pole of diode one (D1) is connected with one end of resistance five (R5), the other end of resistance five (R5) respectively with the other end of electric capacity two (C2), one end of the base stage of triode three (Q3) and resistance seven (R7) connects, the other end of resistance seven (R7) respectively with the emitter of triode three (Q3), one end and the power input two of electric capacity three (C3) connect, the other end ground connection of electric capacity three (C3), the collector electrode of triode three (Q3) is connected with one end of resistance six (R6), the other end of resistance six (R6) respectively with the negative pole of diode two (D2), the base stage of triode two (Q2), the collector electrode of triode one (Q1) and one end of resistance two (R2) connect, the positive pole of diode two (D2) is connected with the emitter of triode two (Q2) and signal output part (OUT) respectively, the collector electrode of triode two (Q2) is connected with one end of resistance three (R3), the base stage of triode one (Q1) is connected with one end of resistance one (R1) and the other end of electric capacity one (C1) respectively, the other end of resistance one (R1), the emitter of triode one (Q1), the other end of resistance two (R2) and the other end of resistance three (R3) are connected with power input one respectively.
Concrete, when a low-frequency control signal enters from signal input part (IN), then voltage stabilizing didoe ((D1)), resistance five (R5), resistance seven (R7) forms dividing potential drop, and the pressure drop on resistance seven (R7) is triode three (Q3) base stage and triode three (Q3) emitter pressure reduction V
be, when input control signal is low level, triode (Q3) pressure reduction V between base stage and emitter
befor 0V, then triode three (Q3) turns off, base voltage on triode two (Q2) is positive voltage, triode two (Q2) conducting, and signal output part (OUT) exports as positive voltage deducts the pressure drop V of triode two (Q2)
ceootherwise, when input control signal is high level, triode three (Q3) pressure reduction V between base stage and emitter
befor 0.7V, then triode (Q3) conducting, the base voltage on triode (Q2) is negative supply voltage, then triode two (Q2) turns off, and port (OUT) exports negative voltage.Resistance six (R6) is current-limiting resistance when negative pressure exports, and can arrange or the resistance value of regulating resistance six (R6) by electric current as required.Diode two (D2) is when negative pressure exports, prevent triode two (Q2) conducting, when exporting high pressure, prevent triode two (Q2) from turning off, wherein resistance one (R1), electric capacity one (C1) combination are mated triode one (Q1), reduce output signal rising time, electric capacity two (C2) mates triode three (Q3), reduce the output signal trailing edge time, thus decrease the switching time of driver.Power input one is 50V power input.Power input two is-5V power input.
Suppose when three tunnel input TTL or CMOS level, three railway digital signals are converted to the digital signal on six tunnels through change-over circuit, and logic between adjacent signals is contrary, six railway digital signals are sent in six PIN drive circuits, to complete a low-frequency control signal and the signal not possessing driving force is changed to positive negative pressure exports and the function possessing certain drive current.
In sum, invention increases the switching time of microwave switch, realize communication system passage and switch fast, control reversed bias voltage up to 50V, form multichannel complementary output; Improve the reverse isolation degree of microwave switch, be conducive to transceiver channel isolation; Driving circuit structure is simple, and integrated level is high, is conducive to advancing communication system high integration and miniaturization.
Claims (5)
1.PIN drive circuit, is characterized in that, comprises triode one, triode two, triode three, resistance one, resistance two, resistance three, resistance four, resistance five, resistance six, resistance seven, diode one, diode two, electric capacity one, electric capacity two, electric capacity three, power input one, power input two, signal input part and signal output part, described signal input part respectively with one end of resistance four, the negative pole of diode one, one end of one end of electric capacity two and electric capacity one connects, the other end ground connection of resistance four, and the positive pole of diode one is connected with one end of resistance five, the other end of resistance five respectively with the other end of electric capacity two, one end of the base stage of triode three and electric capacity seven connects, the other end of electric capacity seven respectively with the emitter of triode three, one end and the power input two of electric capacity three connect, the other end ground connection of electric capacity three, and the collector electrode of triode three is connected with one end of resistance six, the other end of resistance six respectively with the negative pole of diode two, the base stage of triode two, the collector electrode of triode one and one end of resistance two connect, the positive pole of diode two is connected with the emitter of triode two and signal output part respectively, the collector electrode of triode two is connected with one end of resistance three, the base stage of triode one is connected with one end of resistance one and the other end of electric capacity one respectively, the other end of resistance one, the emitter of triode one, the other end of resistance two and the other end of resistance three are connected with power input one respectively.
2. PIN drive circuit according to claim 1, is characterized in that, described resistance six is adjustable resistance.
3. PIN drive circuit according to claim 1, is characterized in that, described power input one is 50V power input.
4. PIN drive circuit according to claim 1, is characterized in that, described power input two is-5V power input.
5. PIN drive circuit according to claim 1, is characterized in that, described diode one is voltage stabilizing didoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510528.3U CN204794932U (en) | 2015-07-15 | 2015-07-15 | Pin drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510528.3U CN204794932U (en) | 2015-07-15 | 2015-07-15 | Pin drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794932U true CN204794932U (en) | 2015-11-18 |
Family
ID=54534903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520510528.3U Active CN204794932U (en) | 2015-07-15 | 2015-07-15 | Pin drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992772A (en) * | 2017-04-26 | 2017-07-28 | 安徽四创电子股份有限公司 | A kind of negative pressure automatic biasing PIN switch drivers and its negative voltage production method |
| CN111475219A (en) * | 2020-05-21 | 2020-07-31 | 上海金脉电子科技有限公司 | Hard-line wake-up circuit and method |
-
2015
- 2015-07-15 CN CN201520510528.3U patent/CN204794932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992772A (en) * | 2017-04-26 | 2017-07-28 | 安徽四创电子股份有限公司 | A kind of negative pressure automatic biasing PIN switch drivers and its negative voltage production method |
| CN106992772B (en) * | 2017-04-26 | 2023-06-27 | 安徽四创电子股份有限公司 | Negative-pressure self-bias PIN switch driver and negative-pressure generation method thereof |
| CN111475219A (en) * | 2020-05-21 | 2020-07-31 | 上海金脉电子科技有限公司 | Hard-line wake-up circuit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102324922B (en) | Low voltage difference signal drive circuit and digital signal conveyer | |
| CN109714020A (en) | For controlling the circuit of numerical-control attenuator overshoot | |
| CN102437842A (en) | Switch tube driving circuit based on integrated driving chip | |
| CN112073054B (en) | Level shifter | |
| CN204794932U (en) | Pin drive circuit | |
| CN104796098A (en) | GaN power device drain electrode modulation circuit | |
| CN101714862B (en) | Driver for isolating edge signal | |
| CN203278623U (en) | Gate driver for switched mode power supply or LED driving chip | |
| CN206620101U (en) | Microwave power amplifier pulse control circuit | |
| CN102664617B (en) | Active pull-down circuit for driving capacitive load | |
| CN105159373A (en) | Power source switching circuit for multistage aerospace craft | |
| CN101394173A (en) | Single-pole double-throw switch based on enhanced PHEMT | |
| CN101150283A (en) | Method and circuit for dual PWM mixed cut wave control switch part | |
| CN101414782B (en) | Remote control power-off circuit for PWM switch power supply | |
| CN204836546U (en) | Integrated form audio signal player | |
| US20090108903A1 (en) | Level shifter device | |
| CN106998200B (en) | High-voltage PMOS (P-channel Metal oxide semiconductor) driving circuit | |
| CN202145638U (en) | High voltage simulation switch circuit | |
| CN206894607U (en) | A kind of negative pressure automatic biasing PIN switch drivers | |
| CN219740350U (en) | Novel high-speed low-power consumption level conversion circuit | |
| CN218100212U (en) | Support 3.3V and 5V serial ports communication converting circuit | |
| CN202385071U (en) | Novel power field effect tube driver | |
| CN203537368U (en) | Pull-up resistor circuit capable of preventing reverse current transmission | |
| CN220874525U (en) | Simple bidirectional level conversion circuit | |
| CN205160497U (en) | Level shifting circuit based on communication of 3D gesture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |