Gain 10 Voltage Amplifier (T456E)

This 4-stage circuit has a voltage gain of 10 and negative feedback. The circuit was found in an old MIT publication.

1 W Stereo Mini Amplifier (CB8508E)
Suggested in a 90s European documentation, this amplifier is based on the TEA2025, presenting a...
TTL Clock LM311 (CB20622E)
This circuit makes use of an old operational one to generate clock signals that depend on the...
Overtone Oscillator 2 (CB13122E)
In the figure we show a configuration for a crystal-controlled overtone oscillator using a...