This unijunction transistor circuit is a frequency divider synchronized to 100 kHz. The circuit was found in a Radio Electronics from July 1968. The adjustment of R4 is important.
This simple circuit, obtained from a Radio Shack documentation, tests transistors and diodes. The...
This simple circuit is intended to test integrated circuits 555 and 741 in 8-pin DIL enclosures. In both...
This is a circuit for receiving signals from the previous transmitter. The circuit uses a common...