Schematic Power Amplifier and Layout

The Audio preamplifier with dual recording using IC BA3420AL. The Audio preamplifier with dual recording using IC BA3420AL. It has an internal switch for switching between playback head, mic and radio input modes, and also includes a bias oscillator and regulated voltage source for radio use. All control is possible with one external switch, allowing […]

8W Audio Amplifier Circuit using AN7135

Adding led pedal – Connecting Additional Leds to LM2794 Charge Pump Output

The circuit contains two 4 digit counter using 4066, 4516 The circuit contains two 4 digit counter using 4066, 4516

STR10006  CCTV power supply