6VDC Amplifier (T485E)

This drum amplifier was found in an American documentation from 1947. It makes use of a mechanical vibrator to generate high voltage for the tubes.

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Timed Switch (CB454)
Pressing S1 by a moment L1 glows up, remaining by a time interval depending on C1. This time...
Headphone Amplifier (CB14463E)
This amplifier for medium or high impedance magnetic headsets (above 200 ohms) was found in an...
MAX30003 Analog Front End for Biopotentials (COM148E)
November 2016 - Maxim's MAX30003, an Analog Front End (AFE) for biopotentials with clinical grade...