Schematic Power Amplifier and Layout

Automotive 0v to 12v Electrical Voltage Indicator using 74HC04, 74HCT04

Led circuit – Power Supply Led circuit for the Power Supply using BD139 Power Supply circuit – 16VAC x 2 (ct) to 39v using ZD30v Led circuit for the Power Supply The size of the LED and resistor to supply some tips on supply, and of course will provide many details about the LED driver […]

Stereo Tone Control using fet 2SK30 and Tr A561, C734 Stereo Tone Control using fet 2SK30 and Tr A561, C734

audio distribution amplifier using UM66, BC547, AC187, 1N4148

Power integrated circuit 300W Power Amplifier circuit using TR A564, D438, B507, D313, MJ2955, 2N3055 300W Power integrated circuit using TR A564, D438, B507, D313, MJ2955, 2N3055

Audio Circuit using IC1 NE5534 and TR  2SK135, 2SJ50 Part Audio Circuit : R1 33 kΩ         C1 1nF 63V                    D1 1N967B zener 18V 0.5W R2 6.8 kΩ        C2 47 µF 40V               D2 1N967B zener 18V 0.5W R3 22 kΩ         C3 100 nF 63V            D3 1N4148 R4 100 kΩ       C4 100 nF 63V            […]