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.
April 2017 - Microchip's new 4-port KSZ8864 switches for VoIP, Games, Automotive Ethernet,...
We found this circuit in an old Linear Technology manual. It makes use of the LTC1329 and can be...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...