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The circuit utilizes a Bute CD12V Lee power MOSFET transistor (BU1RF744) that operates in a switching mode, turning on and off repeatedly. The output voltage is influenced by the characteristics of the MOSFET, which is designed for efficient performance....
The presentation of a general power thyristor trigger circuit is more complex, and some components are difficult to procure. A successful trigger circuit has been constructed for only a few dollars. This circuit is designed to trigger a thyristor...
An output voltage sufficient to bridge a one-inch gap can be generated from a 12-V power source. A 555 timer integrated circuit (IC) is configured as an astable multivibrator, producing a narrow negative pulse at pin 3. This pulse...
The power transformer features three secondary windings: 720V at 120mA center-tapped for the plate and screen supplies, 6.3V at 3.5A for the tube filament and bias power supply, and 5V at 3A (unused). Since the 5V secondary is not...
The simple 4-digit converter circuit has an output count of 1, designed for a frequency range from f-IMHz to 10.000 MHz. All diodes used in the circuit are IN4146 "POLYSTYRENE" NPO. The circuit utilizes the LF398 at the input...
Using dual flip-flop IC CD4027 employ a 555 based monostable circuit to supply input clock pulses. The circuit described here obviates this requirement. One of the two flip-flops within IC CD4027 itself acts as square wave shaper. The circuit utilizes...
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