Schematic diagram of capacitor instantaneous discharge

The circuit is composed of n-channel insulated gate FET Q, bypass resistance RC, energy storage capacitor C and switching diodes D1 and D2. A control pulse is input to the gate of insulated gate FET Q. when the gate of Q is low potential, the gate source voltage difference is zero, FET q is turned […]

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FET to transistor driving circuit

The driving circuit is composed of buffer u, resistance R2 and a pair of low-power FET Q1 and Q2. When the control signal is at the low level, the same direction buffer u outputs the low level, so that the p-channel FET Q2 connected with the + 9 V power supply is turned on, the […]

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Series input limiting circuit

The series input limiting circuit is composed of power supply VCC, resistors R1, R2 and R3, switching diodes D1 and D2, capacitors C1 and C2 and operational amplifier A, and input terminal 2 is grounded.

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Schematic diagram of active damping circuit

In the schematic diagram of active damping circuit, RAD is the active damping resistance and QAD is the active MOSFET to reduce the power consumption of rad. RD and CD are delay circuit elements. DD is a reset diode for discharging CD.

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Symmetrical grid control drive circuit

The gate drive voltage is provided by the trigger pulse through the push-pull output circuit. When the trigger pulse is at high level, V5 is cut off, the base of push-pull output circuit is at low level, V3 is cut off, V4 is turned on, current is drawn from the load, and the gate obtains […]

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