Inverter 100W by IC 4047 + 2N3055 with PCB
This circuit power Inverter 100W, so input voltage 12V (battery 12V) to output volt 220V ac 50HZ, it is asy circuit because less component to use. It use IC CD4047 Squarewave Oscillator 50HZ and Power Transistor 2N3055 x 2 For driver transformer 220V ac to OUTPUT Power 100W min. Circuit …
50w mosfet amplifier circuit OCL  using K1058 + J162
The 50w mosfet amplifier circuit  OCL Mosfet (K1058 + J162) is easy to build, and very inexpensive. To use Power Supply +35V -35V at 2A. Power Mosfet (K1058 + J162) must be mounted on heat sink. Can be directly connected to CD players, tuners and tape recorders. If you want …
40 W transistor audio amplifier circuit with PCB
The 40W transistor audio amplifier circuit OCL 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A. Transistor 2N3055+MJ2955 must be mounted on heatsink. Can be directly connected to CD players, tuners and tape recorders. This circuit is one that stands out for ages over 40 …