We found this circuit in a Hands-On Electronics from the 90s. The circuit must be connected to an external amplifier. Frequency control is capacitive, using an antenna for this purpose
This circuit was found in an old Linear Technology documentation. The working principle can be...
Scratch is the scratching noise that occurs on old, scratched discs and the rumble is the...
This 6-transistor receiver was manufactured in Japan in the 60s. The circuit is superheterodyne and has a 6V...