Television Circuits

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Wireless Coupler
Twang-twang circuit
3V Battery To 5V Dc/Dc Converter
Keyless Lock
Electric Guitar/Violin Preamplifier
power supply variable with lm338
17 colpitts ham lesson
5 channel radio remote control circuit based of TX-2B / RX- 2B pair
Battery simulator provides current limiting
Active Antenna for Medium Wave
Automatic distress alarm kit control circuit