We found this tube receiver in a 1950s Japanese publication. The circuit uses 5 tubes and has an RF amplifier stage for greater sensitivity. The power supply is not shown on the circuit.
May 2017 - The new high-speed Amphenol FCI Flex connectors with up to 10 Gbps data transmission...
This interesting project was found in a 1995 documentation. It controls the temperature of the...
This tracker for audio and RF signals was found in old American documentation. Transistors and...