1940s commercial receiver (T1618E)

This receiver was found in a Radio Electronics from 1949. It is a superheterodyne of the time using 6 tubes.

Amplifier for Telephone Pickup – II (CB989E)
This circuit is used in the analog part of the telephone lines. The same circuit can directly...
20W Transistor Amplifie (CB1368E )
In this project, from a Japanese magazine of 1973, only one channel of a stereo amplifier of 20 W...
Molex Sealed Industrial USB Solutions
Molex Sealed Industrial USB Solutions achieve superior signal integrity in harsh factory and...