Gain 1000 Amplifier (CB8998E)

This circuit was obtained in a 90’s documentation. The operational amplifiers are from that time.

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Voice Filter with LM381 (CB25283E)
This circuit lets through the 300 Hz to 3kHz range that corresponds to the human voice. We found it...
50 mA composite operational amplifier (CB25184E)
This complementary circuit increases the output power of an operational amplifier. Outputs with...
Crystal Oscillator with Divider (CB15753E)
In the figure below we have an interesting circuit for those with a project that requires a...