Schematic Power Amplifier and Layout

LM7812, LM7912 circuit for Power Supply Control LM7812 pinout

When we install a light or audio amplifiers in automotive, there are some things to consider  : 1. Make sure you use a cable rated for higher amperage, because if the value of small ampere results can be too hot and could melt the cable outlet and cause a fire. Beside that is likely to […]

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            […]

op amp preamp circuit op amp preamp circuit using KA2214 op amp preamp circuit op amp preamp circuit

Radio 810 mw circuit using LM386 and ZN414 Radio 810 mw circuit using LM386 and ZN414