Circuit Project Electronic

Today we try to come to see the circuit checks the static electricity is simple. OR Electro meter by FET 2N3819. It can show the electricity bill dwells to follow the inventory that has the electric charge. Such as the plastic is , hand , etc. By detect far get 30 [...]

This circuit be Audio Mixer Circuit by FET 2N3819 numbers, build easy and the a little equipment. By this circuit lets to use the microphone since two go up or use other tool all right wasp suit amplifier same microphone. The R1 and R5 [...]

The Preamp sensitivity and overload margin were designed to cope with most modern music programme sources like CD players, Tape recorders, iPods, Computer audio outputs, Tuners etc. The source selecting switches and input connectors are not shown and their number and arrangement are left to the constructor’s choice.
To obtain a very high input overload margin, [...]