Tube receiver (T1605E)

This 3-tube receiver was found in a Radio Electronics from 1949. The output is loudspeaker, and the tubes are of common type at the time.

1 W Amplifier with the TAA300 (CB6164E)
Found in a 1968 documentation, this small amplifier was very popular at the time being used in...
TDA2002 Amplifier (CB420E)
When powered by a 14 V supply this circuit source 5,2 W to a 4 ohm load. For a 2 ohm load this...
TTL Logic Probe (CB5913E)
This circuit uses a 7-segment display to indicate the logic level of a test circuit. The power...