sound system equipment sound system equipment Audio Mixer circuit diagram Using FET This simple circuit mixes two or more channels into one channel (eg. stereo into mono). Parts R1, R3 10K Pot R2, R4 100K 1/4 W Resistor R5 6.8K 1/4 W Resistor C1, C2, C3 0.1uF Capacitor Q1 2N3819 Junction FET MISC Wire, Shielded […]
Posts tagged 2N3819
Touch switch circuit using Relay
ON off Touch switch circuit using 12v Relay R1 ……………. 220K R2 ……………. 47K R3 ……………. 4,7K R4 ……………. 10 M FET …………… 2N3819 TR1 …………… FCS9012 TR2 …………… FCS9013 Relay …………. DC – 12V
Power Supplies Switching circuit
Power Supplies Switching circuit using LM5020
Mini circuits amplifiers
Mini circuits amplifiers Mini circuits amplifiers circuit Using KA2214 Mini circuits amplifiers Mini circuits amplifiers
LM3909 LED Flasher / Oscillator circuit diagram
This page features a replacement circuit for the LM3909 LED Flasher / Oscillator using discrete components. The circuit is functionally the same as the integrated LM3909 but has a minor variations in values of the components used. If you like to use the integrated circuit LM3909 build be Flasher Circuit. But may get into trouble […]
How to make running led lights
How to make running led lights using LM555, CD4017
