Two-channel mixer (T372E)

This mixer circuit was found in the 1961 RCA tube manual. The gain for each triode is approximately 20 times. The input impedance is high.

Digitally Controlled Astable (CB5424E)
This circuit, which can act as a shield, is from old documentation, using a DAC of the time. Next to...
Fast Recovery Diodes
May 2017 - ROHM is announcing the availability through Mouser Electronics of a broad line of fast...
Inductive Pickup Link For Headset (CB4526E)
This circuit is a handset receiver that picks up the signal emitted by a coil under the rug or...