PNP transistor system PNP transistor system
Posts tagged BC546B
20W Audio PCB using MDA 2020
20W Audio Amplifier Circuit using MDA2020
Best Audio Op-Amps Circuit
Best Audio Op-Amps Circuit using LF353 or TL072
Circuit electronics to determine the humidity of the room
Circuit to determine the humidity is a comparator, which detects the temperature change is very small in relation to the ambient temperature environment. Parts: R1_____________22K Linear Potentiometer (See Notes) R2_____________15K @ 20°C n.t.c. Thermistor (See Notes) R3_____________10K 1/4W Resistor R4,R5,R7,R9____22K 1/4W Resistors R6____________220K 1/4W Resistor R8______________5K 1/2W Trimmer Cermet R10___________680R 1/4W Resistor C1_____________47µF 63V Electrolytic […]
Dual Pre-power Amplifier, volume controller and DC motor
Dual Pre-power Amplifier, volume controller and DC motor speed controller circuit using KA22136 Dual Pre-power Amplifier, volume controller and DC motor speed controller circuit using KA22136
