This 3-valve receiver was found in a publication by Edelman from 1924. The circuit has two supply voltages, B being 60 to 90 V.
Molex is using the FFC / FPC Premo-Flex jumpers for inter-board and inter-plate interconnects...
This circuit was found in an American publication from 1968. The transistors are from the time,...
This circuit is from 1971 documentation. It generates a ramp given by the input signal. The FET...