CN110196411A - A kind of floating-deck modulator of variable frequency variable impulse width - Google Patents
A kind of floating-deck modulator of variable frequency variable impulse width Download PDFInfo
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- CN110196411A CN110196411A CN201910469960.5A CN201910469960A CN110196411A CN 110196411 A CN110196411 A CN 110196411A CN 201910469960 A CN201910469960 A CN 201910469960A CN 110196411 A CN110196411 A CN 110196411A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/282—Transmitters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/00006—Changing the frequency
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
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- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The invention discloses a kind of floating-deck modulators of variable frequency variable impulse width, it is related to Radar Technology field, the floating-deck modulator is exported using the rising edge signal that pulse signal processing circuit extracts pulse signal to be modulated to main switch circuit, rising edge signal opens the bistable circuit in main switch circuit, then high speed switch tube is driven after the second power amplifier, the rear of pulse signal to be modulated is extracted to export along signal to main switch circuit, the bistable circuit in signal-off main switch circuit is then shut off high speed switch tube afterwards, TTL pulse signal is reproduced with this, namely obtain modulation pulse；It is closed rapidly after extracting the truncation of pulse signal to be modulated using pulse signal processing circuit along signal, upper frequency may be implemented, working range is big, the arbitrarily variable requirement of wide range of frequencies and pulsewidth can be met, and have the advantages that device simple, high reliablity, strong interference immunity, small in size and easy to repair.
Description
Technical field
The present invention relates to Radar Technology field, especially a kind of floating-deck modulator of variable frequency variable impulse width.
Background technique
In recent years, the avionics system technical requirements variation of radar very greatly, if radar is as autonomous system, originally loses
It shows subsystem, and loses signal and data processing subsystem, be only left main point of reception, transmitting and antenna etc. now
System.Radar is merged as a kind of active sensor with different sensors information such as laser, infrared, purple light and acoustics simultaneously, is increased
Strong detecting function and environmental suitability.It can be seen that radar has broken obvious boundary with electronic system, radar system is as independent
Equipment has the tendency that gradually withering away.So to radar transmitter, also more stringent requirements are proposed therewith.And as radar transmitter
Important component --- modulator, the even more most important thing have developed several working ways, but existing modulator is not
It is able to satisfy the wide range of frequencies and the arbitrarily variable new function requirement of pulsewidth of radar transmitter.
Summary of the invention
The present inventor is regarding to the issue above and technical need, the float plate for proposing a kind of variable frequency variable impulse width are modulated
Device, the floating-deck modulator working range is larger, can meet the arbitrarily variable requirement of wide range of frequencies and pulsewidth, high reliablity,
Strong interference immunity.
Technical scheme is as follows:
A kind of floating-deck modulator of variable frequency variable impulse width, the floating-deck modulator include positive bias power supply, negative bias
Power supply, pulse signal processing circuit, main switch circuit and tail cut switch circuit are set, positive bias power supply and negative bias power supply are by floating
Voltage provides, and the first end of the anode connection main switch circuit of positive bias power supply, the second end of main switch circuit passes through the first electricity
Resistance connects the output end of floating-deck modulator with the 4th resistance；The common end of first resistor and the 4th resistance is separately connected the second electricity
Resistance and 3rd resistor, 3rd resistor the other end connection tail cut switch circuit first end, the second end of tail cut switch circuit and
The other end of second resistance is connected and connects the cathode of negative bias power supply；The input terminal of pulse signal processing circuit is as float plate
The input terminal of modulator receives pulse signal to be modulated, pulse signal processing circuit include forward position pulse extraction circuit, after along the pulse
Sense circuit and truncation pulse extraction circuit are purged with, forward position pulse extraction circuit, trailing edge extract circuit and truncation DISCHARGE PULSES EXTRACTION
The input terminal of circuit is separately connected the input terminal of pulse signal processing circuit, and the output end of forward position pulse extraction circuit is as pulse
One input terminal of the first output end connection main switch circuit of signal processing circuit, the output end that trailing edge extracts circuit are made
Another input terminal of main switch circuit is connected for the second output terminal of pulse signal processing circuit, truncation pulse extraction circuit
Input terminal of the output end as the third output end connection tail cut switch circuit of pulse signal processing circuit；
Main switch circuit includes the first power amplifier, the first transformer, the second transformer, bistable circuit, the second function
One input terminal of rate amplifier and high speed switch tube, the first power amplifier connects as an input terminal of main switch circuit
Connect the first output end of pulse signal processing circuit, the primary coil of corresponding output end the first transformer of connection, the first power
Another input terminal of amplifier as main switch circuit another input terminal connection pulse signal processing circuit it is second defeated
Outlet, corresponding output end connect the primary coil of the second transformer；The secondary coil of first transformer is coupled to bistable electro
One input terminal on road, the secondary coil of the second transformer are coupled to another input terminal of bistable circuit, bistable circuit
Output end by the second power amplifier connect high speed switch tube grid, the drain electrode of high speed switch tube is as main switch circuit
First end, second end of the source electrode of high speed switch tube as main switch circuit；
Tail cut switch circuit mainly includes tail cut switch pipe, the input of the grid connection tail cut switch circuit of tail cut switch pipe
End, the drain electrode of tail cut switch pipe is as tail cut switch circuit first end, and the source electrode of tail cut switch pipe is as tail cut switch circuit
Second end.
Its further technical solution is that the bistable circuit in main switch circuit includes the first NPN triode and second
NPN triode, the base stage of the first NPN triode after the first inductance and the 5th resistance by being grounded, the first inductance and the 5th resistance
Common end connection first diode cathode, the anode of first diode by the 6th resistance eutral grounding, the first NPN triode
Emitter connects the anode of the second diode, the cathode ground connection of the second diode, and the collector of the first NPN triode passes through the 7th
Resistance connects the power supply of main switch circuit, one as bistable circuit of the common end of first diode and the 6th resistance
Input terminal；The base stage of second NPN triode after the second inductance and the 8th resistance by being grounded, the public affairs of the second inductance and the 8th resistance
The anode of the cathode of end connection third diode altogether, third diode passes through the 9th resistance eutral grounding, the transmitting of the second NPN triode
Pole ground connection, the collector of the second NPN triode connect the power supply of main switch circuit by the tenth resistance；First inductance and
The common end of five resistance connects the collector of the second NPN triode by eleventh resistor, the both ends parallel connection of eleventh resistor the
One capacitor；The common end of second inductance and the 8th resistance by twelfth resistor connect the first NPN triode collector, the tenth
The both ends of two resistance the second capacitor in parallel, output end of the collector of the second NPN triode as bistable circuit.
Its further technical solution is, floating-deck modulator further includes power circuit, and power circuit includes transformer, whole
The primary coil of current circuit and voltage regulator circuit, transformer connects AC power source, and the secondary coil of transformer is sequentially connected rectification
It is exported after circuit and voltage regulator circuit and provides the power supply of main switch circuit to main switch circuit.
Its further technical solution is that floating-deck modulator includes the road M main switch circuit and the road M tail cut switch circuit, M
Road main switch circuit is sequentially connected in series by respective first end and second end, and the road M tail cut switch circuit passes through respective first end
It is sequentially connected in series with second end, M is positive integer.
The method have the benefit that:
This application discloses a kind of floating-deck modulator of variable frequency variable impulse width, which utilizes pulse
The rising edge signal that signal processing circuit extracts pulse signal to be modulated is exported to main switch circuit, and rising edge signal opens main switch
Then bistable circuit in circuit drives high speed switch tube V101 after the second power amplifier, extracts arteries and veins to be modulated
The rear of signal is rushed to export along signal to main switch circuit, after bistable circuit in signal-off main switch circuit be then shut off
High speed switch tube V101 reproduces TTL pulse signal with this, namely obtains modulation pulse；It is extracted using pulse signal processing circuit
It is closed rapidly after the truncation of pulse signal to be modulated along signal out, upper frequency may be implemented, working range is big, can meet big model
It encloses the arbitrarily variable requirement of frequency and pulsewidth, and there is simple device, high reliablity, strong interference immunity, small in size and be convenient for
The advantages of maintenance.
Detailed description of the invention
Fig. 1 is the circuit structure diagram of floating-deck modulator disclosed in the present application.
Fig. 2 is the circuit diagram of the pulse signal processing circuit in the application.
Fig. 3 is the circuit diagram of the main switch circuit in the application.
Fig. 4 is the circuit diagram of the bistable circuit of the main switch circuit in the application.
Fig. 5 is the circuit diagram of the power circuit in the application.
Fig. 6 is the circuit diagram of the tail cut switch circuit in the application.
Fig. 7 is the working waveform figure of the floating-deck modulator of the application.
Specific embodiment
The following further describes the specific embodiments of the present invention with reference to the drawings.
This application discloses a kind of floating-deck modulators of variable frequency variable impulse width, referring to FIG. 1, the float plate is modulated
Device includes positive bias power supply V1, negative bias power supply V2, pulse signal processing circuit, main switch circuit and tail cut switch circuit, just
Bias supply V1 and negative bias power supply V2 is operating voltage, and positive bias power supply V1 and negative bias power supply V2 are provided by floating voltage,
As shown in Figure 1, the cathode of positive bias power supply V1 and the anode of negative bias power supply V2 are connected to cathode K, cathode K is the electricity that floats over the ground
Pressure.The first end D of the anode connection main switch circuit of positive bias power supply V1, the second end S of main switch circuit pass through first resistor
The output end G of R1 and the 4th resistance R4 connection floating-deck modulator.The common end of first resistor R1 and the 4th resistance R4 connect respectively
Connect second resistance R2 and 3rd resistor R3, the first end D of the other end connection tail cut switch circuit of 3rd resistor R3, tail cut switch
The second end S of circuit is connected with the other end of second resistance R2 and connects the cathode of negative bias power supply V2.
The input terminal of pulse signal processing circuit receives pulse signal to be modulated as the input terminal IN of floating-deck modulator,
Pulse signal processing circuit includes forward position pulse extraction circuit, trailing edge extraction circuit and truncation pulse extraction circuit, forward position
Pulse extraction circuit, trailing edge extract circuit and the input terminal of truncation pulse extraction circuit is separately connected pulse signal processing electricity
The input terminal IN on road.Forward position pulse extraction circuit is used to extract the rising edge signal of pulse signal to be modulated, forward position DISCHARGE PULSES EXTRACTION electricity
An input terminal of the output end on road as the first output end P connection main switch circuit of pulse signal processing circuit.Afterwards along the pulse
Sense circuit is purged with for extracting the rear along signal of pulse signal to be modulated, the output end that trailing edge extracts circuit is believed as pulse
Another input terminal of the second output terminal N connection main switch circuit of number processing circuit.Truncation pulse extraction circuit is for extracting
Pulse signal to be modulated it is rear along the laggard line delay of signal then export truncation after along signal, the output of truncation pulse extraction circuit
Hold the input terminal of the third output end Q connection tail cut switch circuit as pulse signal processing circuit.Pulse signal processing circuit
Physical circuit figure referring to FIG. 2, forward position pulse extraction circuit and trailing edge extract circuit, to be based on the same CD4098 monostable
State trigger constitute, truncation pulse extraction circuit be based on CD4098 monostable flipflop composition, pulse signal processing circuit be compared with
For conventional circuit, its circuit composition is not described in detail in the application.
The circuit diagram of main switch circuit is referring to FIG. 3, main switch circuit includes the first power amplifier A1, the first transformer
T1, the second transformer T2, bistable circuit, the second power amplifier A2 and high speed switch tube V101.First power amplifier
An input terminal InA of A1 as main switch circuit an input terminal connection pulse signal processing circuit the first output end P,
The primary coil of the first transformer of corresponding output end OutA connection T1, pulse signal processing circuit take out rising edge signal from
InA is input to the first power amplifier A1, exports after the first power amplifier A1 carries out power amplification from OutA.First power
Another input terminal InB of amplifier A1 as main switch circuit another input terminal connection pulse signal processing circuit the
The primary coil of two output end N, the second transformer of corresponding output end OutB connection T2, after pulse signal processing circuit takes out
It is input to the first power amplifier A1 from InB along signal, is exported after the first power amplifier A1 carries out power amplification from OutB.
The secondary coil of first transformer T1 is coupled to an input terminal of bistable circuit, the secondary coil coupling of the second transformer T2
Output end to another input terminal of bistable circuit, bistable circuit passes through the second power amplifier A2 connection high-speed switch
The grid of pipe V101 namely the output end of bistable circuit connect InA the and InB pin of the second power amplifier A2, the second function
OutA with the OutB pin of rate amplifier A2 connects the grid of high speed switch tube V101.The drain electrode of high speed switch tube V101 is as master
The first end D of switching circuit, second end S of the source electrode of high speed switch tube as main switch circuit.Wherein, the tool of bistable circuit
Body circuit diagram is referring to FIG. 4, include the first NPN triode J1 and the second NPN triode J2, the base stage of the first NPN triode J1
By being grounded after the first inductance L1 and the 5th resistance R5, the common end of the first inductance L1 and the 5th resistance R5 connect first diode
The anode of the cathode of D1, first diode D1 is grounded by the 6th resistance R6, the emitter connection second of the first NPN triode J1
The anode of diode D2, the cathode ground connection of the second diode D2, the collector of the first NPN triode J1 are connected by the 7th resistance R7
Meet one of the common end of the power supply V+ of main switch circuit, first diode D1 and the 6th resistance R6 as bistable circuit
Input terminal is for connecting the first transformer T1.After the base stage of second NPN triode J2 passes through the second inductance L2 and the 8th resistance R8
The cathode of the common end connection third diode D3 of ground connection, the second inductance L2 and the 8th resistance R8, the anode of third diode D3
It is grounded by the 9th resistance R9, the emitter of the second NPN triode J2 ground connection, the collector of the second NPN triode J2 passes through the
The power supply V+ of ten resistance R10 connection main switch circuits.The common end of first inductance L1 and the 5th resistance R5 passes through the 11st
The collector of resistance R11 the second NPN triode of connection J2, the both ends parallel connection first capacitor C1 of eleventh resistor R11.Second inductance
The common end of L2 and the 8th resistance R8 pass through the collector of twelfth resistor R12 the first NPN triode of connection J1, twelfth resistor
The collector of the second capacitor C2, the second NPN triode J2 of both ends parallel connection of R12 connects second as the output end of bistable circuit
Power amplifier A2.In practical application, floating-deck modulator includes the road M main switch circuit, the road M main switch circuit passes through respective
First end and second end be sequentially connected in series, M is positive integer, and common, and M is up to 15.Then all such as per main switch circuit all the way
Shown in Fig. 3, main switch circuit S, the S connection per main switch circuit all the way are next all the way in every D connection of main switch circuit all the way
Road main switch circuit D realizes series connection.
Be connected since main switch circuit floats in high pressure actually discord the earth, the power supply V+ of main switch circuit and
V- is confessed by independent power circuit, thus while as Fig. 1 is not shown, but the floating-deck modulator of the application further includes power supply electricity
Road, as shown in figure 5, power circuit include transformer T201, bridge rectifier and based on LM117 constitute voltage regulator circuit,
The primary coil of transformer T201 connects AC power source VC+ and VC-, and the secondary coil of transformer T201 is sequentially connected rectification circuit
The power supply V+ and V- of main switch circuit are provided to main switch circuit with exporting after voltage regulator circuit.AC power source VC+ and VC- can
To be 220V, 110V and 380V etc., after the processing of power circuit, to main switch circuit provide power supply V+ be+
15V, V- are -15V.The particular circuit configurations of power circuit are conventional structure, and the application is not described in detail.As described above, this Shen
Please in may include multichannel main switch circuit, then power circuit also includes multichannel, if Fig. 5 is for comprising two-way, per electric all the way
The output of source circuit is connected respectively to main switch circuit all the way and is powered, then as shown in figure 5, this multiple power supplies circuit shares one
The primary coil of the secondary coil connection transformer T202 of a transformer T201, transformer T201, transformer T202 includes multiple
Secondary coil, rectification circuit of each secondary coil connection per power circuit all the way.
The circuit diagram of tail cut switch circuit further includes power amplifier referring to FIG. 6, mainly including tail cut switch pipe V201
A3, input terminal InA and the InB pin of the input terminal connection power amplifier A3 of tail cut switch circuit, power amplifier A3 is to arteries and veins
It is exported after signal progress power amplification to subsequent conditioning circuit after rushing the truncation of signal processing circuit input, power amplifier A3's is defeated
OutA and OutB pin connects the grid of tail cut switch pipe V201, tail cut switch pipe after transformer and a series of processing out
The drain electrode of V201 is as tail cut switch circuit first end D, second end S of the source electrode of tail cut switch pipe as tail cut switch circuit.
Likewise, floating-deck modulator also includes the road M tail cut switch circuit, this road M tail cut switch circuit by respective first end and
Second end is sequentially connected in series.Tail cut switch circuit due to be greatly connected directly, 15V+ and 15V- can be directly inputted, remove this
Except, 15V+ and 15V- in above-mentioned each circuit can also be directly inputted.
At work, TTL pulse signal is input to pulse signal processing circuit, arteries and veins to floating-deck modulator disclosed in the present application
Rush signal processing circuit forward position pulse extraction circuit take out TTL pulse signal rising edge signal and by the first output end P it is defeated
Out to main switch circuit, trailing edge extracts circuit taking-up the rear of TTL pulse signal and exports along signal and by second output terminal N
It is along signal and defeated by third output end N after the truncation of truncation pulse extraction circuit taking-up TTL pulse signal to main switch circuit
Give tail cut switch circuit out, please refer to waveform diagram shown in Fig. 7, it can be seen that after truncation along signal relative to rear along signal
Be delayed certain time length.Rising edge signal opens bistable circuit, and high speed switch tube V101 is driven after the second power amplifier,
Afterwards along signal-off bistable circuit, so that closing high-speed switching tube V101, reproduces TTL pulse signal with this, namely adjusted
Pulse processed, and do not influenced by frequency and pulsewidth.Tail cut switch circuit can be with quick closedown modulator, so as to realize simultaneously
Upper frequency.
Above-described is only the preferred embodiment of the application, and present invention is not limited to the above embodiments.It is appreciated that this
The other improvements and change that field technical staff directly exports or associates without departing from the spirit and concept in the present invention
Change, is considered as being included within protection scope of the present invention.
Claims (4)
1. a kind of floating-deck modulator of variable frequency variable impulse width, which is characterized in that the floating-deck modulator includes positively biased
Set power supply, negative bias power supply, pulse signal processing circuit, main switch circuit and tail cut switch circuit, the positive bias power supply and
The negative bias power supply is provided by floating voltage, and the anode of the positive bias power supply connects the first end of the main switch circuit,
The second end of the main switch circuit connects the output end of the floating-deck modulator by first resistor with the 4th resistance；It is described
The common end of first resistor and the 4th resistance is separately connected second resistance and 3rd resistor, the other end connection of the 3rd resistor
The second end of the first end of the tail cut switch circuit, the tail cut switch circuit is connected simultaneously with the other end of the second resistance
Connect the cathode of the negative bias power supply；The input terminal of the pulse signal processing circuit is as the defeated of the floating-deck modulator
Enter end and receive pulse signal to be modulated, the pulse signal processing circuit includes forward position pulse extraction circuit, trailing edge extraction
Circuit and truncation pulse extraction circuit, the forward position pulse extraction circuit, trailing edge extract circuit and truncation DISCHARGE PULSES EXTRACTION electricity
The input terminal on road is separately connected the input terminal of the pulse signal processing circuit, and the output end of the forward position pulse extraction circuit is made
An input terminal of the main switch circuit, the trailing edge are connected for the first output end of the pulse signal processing circuit
The output end for extracting circuit connects the another of the main switch circuit as the second output terminal of the pulse signal processing circuit
The output end of a input terminal, the truncation pulse extraction circuit is connected as the third output end of the pulse signal processing circuit
The input terminal of the tail cut switch circuit；
The main switch circuit includes the first power amplifier, the first transformer, the second transformer, bistable circuit, the second function
Rate amplifier and high speed switch tube, one as the main switch circuit of an input terminal of first power amplifier
Input terminal connects the first output end of the pulse signal processing circuit, corresponding output end connects the first of first transformer
Another input terminal of grade coil, first power amplifier connects institute as another input terminal of the main switch circuit
State the second output terminal of pulse signal processing circuit, corresponding output end connects the primary coil of second transformer；It is described
The secondary coil of first transformer is coupled to an input terminal of the bistable circuit, the secondary coil of second transformer
It is coupled to another input terminal of the bistable circuit, the output end of the bistable circuit passes through second power amplification
Device connects the grid of the high speed switch tube, first end of the drain electrode of the high speed switch tube as the main switch circuit, institute
State second end of the source electrode of high speed switch tube as the main switch circuit；
The tail cut switch circuit mainly includes tail cut switch pipe, and the grid of the tail cut switch pipe connects the tail cut switch electricity
The input terminal on road, the drain electrode of the tail cut switch pipe is as the tail cut switch circuit first end, the source of the tail cut switch pipe
Second end of the pole as the tail cut switch circuit.
2. floating-deck modulator according to claim 1, which is characterized in that the bistable circuit in the main switch circuit
Including the first NPN triode and the second NPN triode, the base stage of first NPN triode passes through the first inductance and the 5th electricity
It is grounded after resistance, the cathode of the common end connection first diode of first inductance and the 5th resistance, the first diode
For anode by the 6th resistance eutral grounding, the emitter of first NPN triode connects the anode of the second diode, and the described 2nd 2
The cathode of pole pipe is grounded, and the collector of first NPN triode connects the power supply of the main switch circuit by the 7th resistance
An input terminal of the common end of power supply, the first diode and the 6th resistance as the bistable circuit；Described second
By being grounded after the second inductance and the 8th resistance, the common end of second inductance and the 8th resistance connects the base stage of NPN triode
The cathode of third diode is connect, the anode of the third diode passes through the 9th resistance eutral grounding, the hair of second NPN triode
The collector of emitter grounding, second NPN triode connects the power supply of the main switch circuit by the tenth resistance；Institute
The common end for stating the first inductance and the 5th resistance connects the collector of second NPN triode by eleventh resistor, described
The both ends parallel connection first capacitor of eleventh resistor；The common end of second inductance and the 8th resistance is connected by twelfth resistor
The collector of first NPN triode, the both ends of the twelfth resistor the second capacitor in parallel, second NPN triode
Output end of the collector as the bistable circuit.
3. floating-deck modulator according to claim 2, which is characterized in that the floating-deck modulator further includes power supply electricity
Road, the power circuit include transformer, rectification circuit and voltage regulator circuit, and the primary coil of the transformer connects alternating current
Source, the secondary coil of the transformer are sequentially connected after the rectification circuit and voltage regulator circuit to export and mention to the main switch circuit
For the power supply of the main switch circuit.
4. floating-deck modulator according to claim 1 to 3, which is characterized in that the floating-deck modulator includes M
Road main switch circuit and the road M tail cut switch circuit, the road M main switch circuit are successively gone here and there by respective first end and second end
Connection, the road the M tail cut switch circuit are sequentially connected in series by respective first end and second end, and M is positive integer.
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| CN201910469960.5A CN110196411B (en) | 2019-05-31 | 2019-05-31 | Floating plate modulator with variable frequency and variable pulse width |
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| CN201910469960.5A CN110196411B (en) | 2019-05-31 | 2019-05-31 | Floating plate modulator with variable frequency and variable pulse width |
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| CN110196411B CN110196411B (en) | 2021-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112165317A (en) * | 2020-09-30 | 2021-01-01 | 中国航空工业集团公司雷华电子技术研究所 | Method and circuit for expanding working frequency of floating plate modulator |
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| CN108933584A (en) * | 2017-05-24 | 2018-12-04 | 中国人民解放军信息工程大学 | A kind of pulse-modulator and its driving circuit |
| CN207114748U (en) * | 2017-08-22 | 2018-03-16 | 无锡晶磊电子有限公司 | A kind of narrow spaces high-frequency modulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165317A (en) * | 2020-09-30 | 2021-01-01 | 中国航空工业集团公司雷华电子技术研究所 | Method and circuit for expanding working frequency of floating plate modulator |
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