Sine Wave Oscillator Circuits

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60W audio amplifier
Reliable FM transmitter
Peak detect and hold
Triangle- And Square-Wave Generator Circuit
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Timers and Counters in AT89S52
RGB To Color Difference Converter
LA3430 VCO Non-adjusting Multi-PLL For FM Car Radios
Enhanced 5 Digit Alarm Keypad
Frequency counter Oscillator schematic
A 20 Input Audio Mixer for Multiple Receiver Setups
A typical laptop power adapter circuit
A common car inverter circuit and principle
Tone selector circuit