This 6-transistor commercial radio with 6 V supply was found in a Japanese publication from the 1960s. The circuit is a commercial superheterodyne with 150mW to 200mW of battery powered output.
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...