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 circuit can be used to generate signals from 300 kHz to 10 MHz, depending on the crystal...
This circuit is for the system that has the receiver CB17134E. The emitting LED must be installed in a...
The coil consists of 100 turns of wire 28 in a wooden or PVC tube from 2 cm to 2.5 cm in diameter with...