Used in radio reception, this circuit was found in the February 1983 Radio Electronics magazine. The integrated circuit is the NE570 IC, and the power supply is 3.6 V.
The sensor in this circuit is a BA315 diode. Other diodes can be experimented, but this is one...
The figure shows how to implement the AND function with a Norton LM3900 operational amplifier. The number of...
A single high-power transistor MJ15003 is used in the circuit in the figure to generate strong...