circuit diagram

FM Transmitter Bug Circuit Diagram Using BC548 Transistors

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FM Transmitter Bug ckt

FM Transmitter Bug Circuit Diagram     This small FM Transmitter Bug Circuit Diagram uses a Hartley type oscillator. Normally the capacitor in the tank circuit would connect at the base of the transistor, but at VHF the base-emitter capacitance of the transistor acts as a short circuit, so in effect, it still is. The coil … Read more

Led Torch Light Using IC MAX660 Led Circuit Diagram

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Led Torch Light Using IC MAX660 This is a simple Led Torch Light Using IC MAX660 Led Circuit Diagram from MAXIM semiconductors. The MAX 660 IC is a CMOS type monolithic type voltage converter IC for electronics projects. The MAX 660 IC can easily drive three extra bright white LEDs.The LEDs are connected in parallel … Read more