CN211830726U - Nanosecond-level power pulse generation circuit - Google Patents
Nanosecond-level power pulse generation circuit Download PDFInfo
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- CN211830726U CN211830726U CN202020611014.8U CN202020611014U CN211830726U CN 211830726 U CN211830726 U CN 211830726U CN 202020611014 U CN202020611014 U CN 202020611014U CN 211830726 U CN211830726 U CN 211830726U
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Abstract
A nanosecond power pulse generating circuit is composed of a three-terminal voltage stabilizer, a resonator, a multivibrator, a power triode, a plurality of resistors and capacitors, can provide a pulse signal with an output rising edge smaller than 16ns and power larger than 3A for testing time parameters of the high-power triode, is simple in structure and low in cost, and is suitable for being applied to the field of semiconductor testing.
Description
Technical Field
The utility model relates to a nanosecond level power pulse generating circuit.
Background
At present, a power pulse signal source or a high-power pulse technology is adopted for generating high-power nanosecond pulse signals; the power pulse signal source is expensive; the high-power pulse technology generally comprises an energy storage unit, a high-power pulse forming unit, a switching technology unit and a pulse power device unit, and has the advantages of complex circuit structure, difficult realization, large power consumption, heavy volume, unsuitability for the application in the field of semiconductor test and more inconvenience for large-scale popularization and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, low cost's nanosecond level power pulse generation circuit to the problem that prior art exists.
The utility model discloses a concrete technical scheme as follows:
a nanosecond power pulse generation circuit comprises a power supply, a three-terminal voltage stabilizer, a resonator, a multivibrator, a power triode, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a diode and a signal output port, wherein the power supply is respectively connected with one end of the first capacitor, the input end of the three-terminal voltage stabilizer and one end of the first resistor; the output end of the three-terminal voltage stabilizer is respectively connected with the power supply end of the resonator, the power supply end of the multivibrator and one end of the third capacitor; a second capacitor is connected between one end of the capacitor of the resonator and two ends of the capacitor, a fourth capacitor is connected between one end of the capacitor of the multivibrator and two ends of the capacitor, two ends of the capacitor of the multivibrator are connected with one end of a third resistor, and a signal output end of the resonator is connected to a signal input end of the multivibrator; the signal output end of the multivibrator is connected to the base electrode of the power triode through a second resistor; the other end of the first resistor is respectively connected with a collector electrode of the power triode, a signal output port and a cathode of the diode; the other end of the first capacitor, the ground end of the resonator, the ground end of the three-terminal voltage stabilizer, the other end of the third capacitor, the ground end of the multivibrator, the other end of the third resistor, the emitter of the power triode and the anode of the diode are respectively grounded;
preferably, the power supply voltage is 12V, the resistance value of the first resistor is 4 Ω, the resistance value of the second resistor is 10K Ω, the resistance value of the third resistor is 2K Ω, the first capacitor and the third capacitor are capacitors 106, the second capacitor is a capacitor 102, and the fourth capacitor is a capacitor 201;
preferably, the model of the three-terminal regulator is 7805, the model of the resonator 3 is 74LS124, the model of the multivibrator is 74S123, and the model of the power triode is 2N 5038.
The utility model discloses following beneficial effect has:
the utility model discloses a nanosecond level power impulse generation circuit only comprises three terminal regulator, syntonizer, multivibrator, power triode, a plurality of resistance and electric capacity, just can provide the pulse signal that the rising edge of output is less than 16ns, power is greater than 3A and be used for the test of high-power triode time parameter, this circuit structure is simple, low cost, and is applicable to the semiconductor test field.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
A nanosecond power pulse generating circuit shown in fig. 1 comprises a power supply 1, a three-terminal regulator 2, a resonator 3, a multivibrator 4, a power triode 5, a first resistor 6, a second resistor 7, a third resistor 8, a first capacitor 9, a second capacitor 10, a third capacitor 11, a fourth capacitor 12, a diode 13 and a signal output port 14, wherein the power supply 1 is respectively connected with one end of the first capacitor 9, an input end of the three-terminal regulator 2 and one end of the first resistor 6; the output end of the three-terminal regulator 2 is respectively connected with the power supply end of the resonator 3, the power supply end of the multivibrator 4 and one end of the third capacitor 11; a second capacitor 10 is connected between one end of the capacitor of the resonator 3 and two ends of the capacitor, a fourth capacitor 12 is connected between one end of the capacitor of the multivibrator 4 and two ends of the capacitor, two ends of the capacitor of the multivibrator 4 are connected with one end of a third resistor 8, and a signal output end of the resonator 3 is connected to a signal input end of the multivibrator 4; the signal output end of the multivibrator 4 is connected to the base electrode of the power triode 5 through a second resistor 7; the other end of the first resistor 6 is respectively connected with a collector of the power triode 5, a signal output port 14 and a cathode of a diode 13; the other end of the first capacitor 9, the ground end of the resonator 3, the ground end of the three-terminal regulator 2, the other end of the third capacitor 11, the ground end of the multivibrator 4, the other end of the third resistor 8, the emitter of the power triode 5 and the anode of the diode 13 are grounded respectively.
The voltage of the power supply 1 is 12V, the resistance value of the first resistor 6 is 4 omega, and the power consumption is 20W; the resistance value of the second resistor 7 is 10 kilohms, and the power consumption is 0.2W; the resistance value of the third resistor 8 is 2K omega, and the power consumption is 0.2W; the first capacitor 9 and the third capacitor 11 are capacitors 106, the second capacitor 10 is a capacitor 102, and the fourth capacitor 12 is a capacitor 201; the model of the three-terminal regulator 2 is 7805, the model of the resonator 3 is 74LS124, the model of the multivibrator 4 is 74LS123, and the model of the power triode 5 is 2N 5038.
The utility model discloses a theory of operation does:
the circuit of the utility model is powered by the three-terminal voltage regulator tube 2 for the resonator 3, the resonator 3 and the second capacitor 10 generate resonance, so that the signal output end OUT of the resonator 3 outputs a standard TTL signal with a duty ratio of 50%; the TTL signal output by the resonator 3 is received by the signal input terminal a of the multivibrator 4, and under the action of the fourth capacitor 12 and the third resistor 8, the signal output terminal Q of the multivibrator 4 outputs a pulse signal with a fixed pulse width, the positive pulse width of the signal is 20ns, the rise time of the signal is 5ns, and the signal is a standard pulse signal without reflection and overshoot after the shaping processing of the second resistor 7.
The utility model discloses a power drive unit uses power triode 5 as main core element, is aided with first resistance 6, diode 13, utilizes first resistance 6 to have the structure of big consumption, no inductance characteristic, under the effect of diode 13 knot electric capacity for output signal rise time is less than 15ns, and power is greater than 3A, is supplied with the high-power triode that is surveyed by signal output port 14, realizes being surveyed the test of high-power triode time parameter.
Claims (3)
1. A nanosecond power pulse generating circuit, comprising: the power supply comprises a power supply (1), a three-terminal regulator (2), a resonator (3), a multivibrator (4), a power triode (5), a first resistor (6), a second resistor (7), a third resistor (8), a first capacitor (9), a second capacitor (10), a third capacitor (11), a fourth capacitor (12), a diode (13) and a signal output port (14), wherein the power supply (1) is respectively connected with one end of the first capacitor (9), the input end of the three-terminal regulator (2) and one end of the first resistor (6); the output end of the three-terminal voltage stabilizer (2) is respectively connected with the power supply end of the resonator (3), the power supply end of the multivibrator (4) and one end of the third capacitor (11); a second capacitor (10) is connected between one end of the capacitor and two ends of the capacitor of the resonator (3), a fourth capacitor (12) is connected between one end of the capacitor of the multivibrator (4) and two ends of the capacitor, two ends of the capacitor of the multivibrator (4) are connected with one end of a third resistor (8), and a signal output end of the resonator (3) is connected to a signal input end of the multivibrator (4); the signal output end of the multivibrator (4) is connected to the base electrode of the power triode (5) through a second resistor (7); the other end of the first resistor (6) is respectively connected with a collector of the power triode (5), a signal output port (14) and a cathode of a diode (13); the other end of the first capacitor (9), the ground end of the resonator (3), the ground end of the three-terminal voltage stabilizer (2), the other end of the third capacitor (11), the ground end of the multivibrator (4), the other end of the third resistor (8), the emitter of the power triode (5) and the anode of the diode (13) are grounded respectively.
2. A nanosecond power pulse generator circuit as set forth in claim 1, wherein: the voltage of the power supply (1) is 12V, the resistance value of the first resistor (6) is 4 omega, the resistance value of the second resistor (7) is 10K omega, the resistance value of the third resistor (8) is 2K omega, the first capacitor (9) and the third capacitor (11) are capacitors 106, the second capacitor (10) is a capacitor 102, and the fourth capacitor (12) is a capacitor 201.
3. A nanosecond power pulse generator circuit as set forth in claim 1, wherein: the model of the three-terminal regulator (2) is 7805, the model of the resonator (3) is 74LS124, the model of the multivibrator (4) is 74LS123, and the model of the power triode (5) is 2N 5038.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611014.8U CN211830726U (en) | 2020-04-22 | 2020-04-22 | Nanosecond-level power pulse generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611014.8U CN211830726U (en) | 2020-04-22 | 2020-04-22 | Nanosecond-level power pulse generation circuit |
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| Publication Number | Publication Date |
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| CN211830726U true CN211830726U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020611014.8U Active CN211830726U (en) | 2020-04-22 | 2020-04-22 | Nanosecond-level power pulse generation circuit |
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| CN (1) | CN211830726U (en) |
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2020
- 2020-04-22 CN CN202020611014.8U patent/CN211830726U/en active Active
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