BF990A circuit and application Receiver tube Radio vcc 9v
Posts tagged characteristics
Automatically Digitouch off on
Automatically Switches off on
PCB Solder Mask
PCB Solder Mask
Burglar alarm circuits with Timer Delay
Burglar alarm circuits with Timer Delay using NE556, 2N3904, 1N914 Burglar alarm circuits with Timer Delay using NE556, 2N3904, 1N914
Guitar headphone amplifier
Guitar headphone amplifier using BC239C, BC337, BC327 Guitar headphone amplifier using BC239C, BC337, BC327 Guitar headphone amplifier R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 = BC239C Q2 = […]
