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Posts tagged RF

Spectrum Analyzer

3 Channel Spectrum Analyzer using LM3900, AN6884 3 Channel Spectrum Analyzer using LM3900, AN6884 Parts: R1 100K 1/4W Resistor R2 820K 1/4W Resistor R3, R14, R16, R18 2.2 Meg 1/4W Resistor R4, R5, R6 22K Pot R7, R8, R9, R25, R27, R29 10K 1/4W Resistor R10, R11, R12 680 Ohm 1/4W Resistor R13. R15, R17 […]

power amplifier schematics

power amplifier schematics 500 watt using TR

STK Power Amplifier Circuit

STK Power Amplifier Circuit STK4192II Power Amplifier Circuit STK Power Amplifier Circuit This design is based on the 50 Watt Audio Amplifier, and was developed mainly to satisfy the requests of correspondents unable to locate the STK4192II STK Power Amplifier Circuit

Transformerless Power Supply circuit diagram

Transformerless Power Supply circuit diagram 240VAC to 5V DC Power Supply using 7805 18V 1A Power Supply using LM350T, LM7818 2 Way To Build A Negative Bias Supply +5v Power Supply using 7805, LP3872ES Variable Dual Lab Power Supply 2 This low noise audio power supply circuit can reduces noise and ripple voltage by 40dB […]

Electronics Schematic Diagram Basic LM555 part 4

Electronics Schematic Diagram Basic LM555 part 4

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