CN201781466U - Monopulse transformer edge triggering small-sized floating-board modulator - Google Patents
Monopulse transformer edge triggering small-sized floating-board modulator Download PDFInfo
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- CN201781466U CN201781466U CN2010205224966U CN201020522496U CN201781466U CN 201781466 U CN201781466 U CN 201781466U CN 2010205224966 U CN2010205224966 U CN 2010205224966U CN 201020522496 U CN201020522496 U CN 201020522496U CN 201781466 U CN201781466 U CN 201781466U
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Abstract
The utility model relates to a monopulse transformer edge triggering small-sized floating-board modulator, which comprises a pulse isolation transformer T, a driving circuit, XFA4N100QMOSFET transistors and an interface circuit. A primary side of the pulse isolation transformer T is connected in parallel to an output end of a modulation circuit, two secondary sides of the pulse isolation transformer T are connected with the driving circuit, the driving circuit is connected with G poles and S poles of the XFA4N100QMOSFET transistors V2 and V3, and the interface circuit is connected with D poles and the S poles of the XFA4N100QMOSFET transistors V2 and V3. The monopulse transformer edge triggering small-sized floating-board modulator utilizes a front edge and a rear edge of the transformer for transmitting pulses, is beneficial to reduction of volume and weight of the transformer, adopts the passive driving circuit, needs no auxiliary power, is fewer in components, is beneficial to miniature design of the circuits, is small in volume and low in weight, and is quite suitable for occasions with strict requirements on volume and weight.
Description
Technical field
The utility model relates to a kind of single pulse transformer along triggering small-sized floating-deck modulator.
Background technology
Floating-deck modulator is suspended on the high potential of thousands of volts, for the radar transmitter travelling wave tube provides satisfactory video pulse.At present, Chang Yong floating-deck modulator has following several:
First kind is pulse transformer coupling floating-deck modulator, and this coupled modes are the most commonly used, and its modulating pulse produces at electronegative potential, isolates current potential and transmits pulse by pulse transformer.Its advantage is that required power supply kind is few, and circuit is simple, and reliability is higher; Shortcoming is that when transmitting big pulsewidth it is big that volume of transformer weight significantly becomes, and therefore, when the pulse change scope is big, is difficult to accomplish the miniaturization of circuit.In order to solve the problem that big pulsewidth is transmitted, can adopt along the mode that triggers, edge before and after the pulse of pulse transformer transmitting control is used bistable circuit to form MOSFET at high potential and is driven.Its advantage is that volume of transformer is less, but the pulse duration wide variation; Shortcoming need to be two transformers to transmit pulse front edge and edge, back respectively, simultaneously, needs independently-powered accessory power supply to be respectively on the high potential and opens MOSFET and the bistable state drive circuitry of turn-offing MOSFET, is unfavorable for miniaturization.
Second kind is radio freqnency transformer coupling floating-deck modulator, this modulator produces the radiofrequency signal of being modulated by pulse control signal at electronegative potential, it is coupled to the high potential float plate by radio freqnency transformer, with wave detector its modulation envelope is detected, and amplifies the back and uses.This modulator advantage is that pulse duration can change arbitrarily; Shortcoming is the circuit complexity, and reliability is not high, and simultaneously, it is bigger that radio freqnency transformer designs and produces difficulty.
The third is the optical coupling floating-deck modulator, and this modulator drives optical generator at electronegative potential, by optical fiber signal is delivered on the high potential, is received by optical receiver again, and use the reduction back.The advantage of this modulator is that pulse duration can change arbitrarily, light weight, and the life-span is long, and working stability is reliable; Shortcoming is to need accessory power supply on the high potential, and the circuit complexity is unfavorable for miniaturization.
The utility model content
Technical problem to be solved:
Provide little, in light weight, the simple and reliable single pulse transformer of a kind of volume along triggering small-sized floating-deck modulator at above problem the utility model, be suitable for the circuit volume, weight has the occasion of strict restriction.
Technical scheme:
A kind of single pulse transformer comprises pulse isolation transformer T, drive circuit, XFA4N100QMOSFET pipe, interface circuit along triggering small-sized floating-deck modulator;
Drive circuit comprises resistance R 1, R2, R3, R8, R10, R11, and 2N7002MOSFET manages V1, V4, diode D1, D2, voltage stabilizing didoe D3; V2, V3 are the XFA4N100QMOSFET pipe; Interface circuit comprises pull down resistor R5, R7, R12, output damping resistance R4, current-limiting resistance R6, R9 and filter capacitor C1, C2;
The former limit of pulse isolation transformer T is connected in parallel on the output of modulation circuit, two secondary of pulse isolation transformer T are connected with drive circuit, the S utmost point of V1 links to each other with one side of first secondary of resistance R 10 and pulse isolation transformer T, the G utmost point of V1 and resistance R 10 with link to each other with diode D2 diode in series D1, the other end of diode D2 links to each other with the another side of first secondary of pulse isolation transformer T, the D utmost point of V1 and resistance R 1, R11 links to each other, the other end of resistance R 1 extremely links to each other with the G of V4, the other end of resistance R 11 extremely links to each other with the G of resistance R 3 and V2, the other end of resistance R 3 extremely links to each other with the D utmost point of V4 and the S of V2, and the S utmost point of V4 links to each other with the another side of first secondary of diode D2 and pulse isolation transformer T;
Resistance R 2 one ends link to each other with one side of second secondary of pulse isolation transformer T, the other end extremely links to each other with the K of voltage stabilizing didoe D3, the Q utmost point of voltage stabilizing didoe D3 extremely links to each other with the G of resistance R 8 and V3, and the other end of resistance R 8 links to each other with the another side of second secondary of pulse isolation transformer T and extremely links to each other with the S of V3;
The D utmost point of V2 links to each other with resistance R 9, and the other end of resistance R 9 links to each other with positive voltage with filter capacitor C1, another termination floating ground of filter capacitor C1;
The D utmost point of V3 links to each other with resistance R 6, the other end of resistance R 6 links to each other with the S utmost point, resistance R 4, the resistance R 5 of V2, another termination output of resistance R 4, resistance R 5, resistance R 7, R12 connect successively, the other end of R12 links to each other with the S utmost point, filter capacitor C2, the negative voltage of V3, another termination floating ground of filter capacitor C2.
Beneficial effect:
The utility model has reduced the volume weight that transformer takies with the edge, front and back of a transformer transmission pulse; Adopt the passive drive circuit, need not accessory power supply, component number seldom helps the circuit miniaturization design simultaneously; The modulator circuit volume of the utility model design is little, in light weight, is very suitable for the occasion strict to volume weight.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
As shown in Figure 1, single pulse transformer comprises pulse isolation transformer T, drive circuit, XFA4N100QMOSFET pipe, interface circuit along triggering small-sized floating-deck modulator; Control signal (Transistor-Transistor Logic level) forms control signal forward position and trailing edge through modulation circuit, and the driving pulse isolating transformer is elementary.Pulse isolation transformer is delivered to edge before and after the control signal on the high potential, drives the XFA4N100QMOSFET pipe by drive circuit and forms modulating pulse, passes to the travelling wave tube grid by interface circuit.
As shown in Figure 2, drive circuit comprises resistance R 1, R2, R3, R8, R10, R11, and 2N7002MOSFET manages V1, V4, diode D1, D2, voltage stabilizing didoe D3; V2, V3 are the XFA4N100QMOSFET pipe; Interface circuit comprises pull down resistor R5, R7, R12, output damping resistance R4, current-limiting resistance R6, R9 and filter capacitor C1, C2.
The former limit of pulse isolation transformer T is connected in parallel on the output of modulation circuit, two secondary of pulse isolation transformer T are connected with drive circuit, the S utmost point of V1 links to each other with one side of first secondary of resistance R 10 and pulse isolation transformer T, the G utmost point of V1 and resistance R 10 with link to each other with diode D2 diode in series D1, the other end of diode D2 links to each other with the another side of first secondary of pulse isolation transformer T, the D utmost point of V1 and resistance R 1, R11 links to each other, the other end of resistance R 1 extremely links to each other with the G of V4, the other end of resistance R 11 extremely links to each other with the G of resistance R 3 and V2, the other end of resistance R 3 extremely links to each other with the D utmost point of V4 and the S of V2, and the S utmost point of V4 links to each other with the another side of first secondary of diode D2 and pulse isolation transformer T;
Resistance R 2 one ends link to each other with one side of second secondary of pulse isolation transformer T, the other end extremely links to each other with the K of voltage stabilizing didoe D3, the Q utmost point of voltage stabilizing didoe D3 extremely links to each other with the G of resistance R 8 and V3, and the other end of resistance R 8 links to each other with the another side of second secondary of pulse isolation transformer T and extremely links to each other with the S of V3;
The D utmost point of V2 links to each other with resistance R 9, and the other end of resistance R 9 links to each other with positive voltage (DZ) with filter capacitor C1, another termination floating ground of filter capacitor C1;
The D utmost point of V3 links to each other with resistance R 6, the other end of resistance R 6 links to each other with the S utmost point, resistance R 4, the resistance R 5 of V2, another termination output (G) of resistance R 4, resistance R 5, resistance R 7, R12 connect successively, the other end of R12 links to each other another termination floating ground of filter capacitor C2 with the S utmost point, filter capacitor C2, the negative voltage (DF) of V3.
Though the utility model with preferred embodiment openly as above; but they are not to be used for limiting the utility model; anyly be familiar with this skill person; in the spirit and scope that do not break away from the utility model; can do various variations or retouching from working as, what therefore protection range of the present utility model should be defined with the application's claim protection range is as the criterion.
Claims (1)
1. a single pulse transformer is characterized in that along triggering small-sized floating-deck modulator: comprise pulse isolation transformer T, drive circuit, XFA4N100QMOSFET pipe, interface circuit;
Drive circuit comprises resistance R 1, R2, R3, R8, R10, R11, and 2N7002MOSFET manages V1, V4, diode D1, D2, voltage stabilizing didoe D3; V2, V3 are the XFA4N100QMOSFET pipe; Interface circuit comprises pull down resistor R5, R7, R12, output damping resistance R4, current-limiting resistance R6, R9 and filter capacitor C1, C2;
The former limit of pulse isolation transformer T is connected in parallel on the output of modulation circuit, two secondary of pulse isolation transformer T are connected with drive circuit, the S utmost point of V1 links to each other with one side of first secondary of resistance R 10 and pulse isolation transformer T, the G utmost point of V1 and resistance R 10 with link to each other with diode D2 diode in series D1, the other end of diode D2 links to each other with the another side of first secondary of pulse isolation transformer T, the D utmost point of V1 and resistance R 1, R11 links to each other, the other end of resistance R 1 extremely links to each other with the G of V4, the other end of resistance R 11 extremely links to each other with the G of resistance R 3 and V2, the other end of resistance R 3 extremely links to each other with the D utmost point of V4 and the S of V2, and the S utmost point of V4 links to each other with the another side of first secondary of diode D2 and pulse isolation transformer T;
Resistance R 2 one ends link to each other with one side of second secondary of pulse isolation transformer T, the other end extremely links to each other with the K of voltage stabilizing didoe D3, the Q utmost point of voltage stabilizing didoe D3 extremely links to each other with the G of resistance R 8 and V3, and the other end of resistance R 8 links to each other with the another side of second secondary of pulse isolation transformer T and extremely links to each other with the S of V3;
The D utmost point of V2 links to each other with resistance R 9, and the other end of resistance R 9 links to each other with positive voltage with filter capacitor C1, another termination floating ground of filter capacitor C1;
The D utmost point of V3 links to each other with resistance R 6, the other end of resistance R 6 links to each other with the S utmost point, resistance R 4, the resistance R 5 of V2, another termination output of resistance R 4, resistance R 5, resistance R 7, R12 connect successively, the other end of R12 links to each other with the S utmost point, filter capacitor C2, the negative voltage of V3, another termination floating ground of filter capacitor C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205224966U CN201781466U (en) | 2010-09-07 | 2010-09-07 | Monopulse transformer edge triggering small-sized floating-board modulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205224966U CN201781466U (en) | 2010-09-07 | 2010-09-07 | Monopulse transformer edge triggering small-sized floating-board modulator |
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|---|---|
| CN201781466U true CN201781466U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205224966U Expired - Lifetime CN201781466U (en) | 2010-09-07 | 2010-09-07 | Monopulse transformer edge triggering small-sized floating-board modulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733500A (en) * | 2011-09-30 | 2014-04-16 | 株式会社日立制作所 | Semiconductor drive circuit and power conversion apparatus using same |
| CN104620504A (en) * | 2012-04-30 | 2015-05-13 | 大陆泰密克微电子有限责任公司 | Switching arrangement for triggering a semiconductor switching element |
| CN110196411A (en) * | 2019-05-31 | 2019-09-03 | 无锡晶磊电子有限公司 | A kind of floating-deck modulator of variable frequency variable impulse width |
-
2010
- 2010-09-07 CN CN2010205224966U patent/CN201781466U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733500A (en) * | 2011-09-30 | 2014-04-16 | 株式会社日立制作所 | Semiconductor drive circuit and power conversion apparatus using same |
| CN103733500B (en) * | 2011-09-30 | 2016-04-06 | 株式会社日立制作所 | Semiconductor drive circuit and use its power inverter |
| CN104620504A (en) * | 2012-04-30 | 2015-05-13 | 大陆泰密克微电子有限责任公司 | Switching arrangement for triggering a semiconductor switching element |
| CN104620504B (en) * | 2012-04-30 | 2018-06-12 | 大陆泰密克微电子有限责任公司 | For manipulating the circuit device of thyristor |
| CN110196411A (en) * | 2019-05-31 | 2019-09-03 | 无锡晶磊电子有限公司 | A kind of floating-deck modulator of variable frequency variable impulse width |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
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| CX01 | Expiry of patent term |