Micropower amplifier (CB7461E)

This amplifier was found in an Electronics Now from the 90s. The FETs are part of a CD4007CB.

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Who is the fastest (CB4380E)
This circuit was obtained from an English magazine from 1976. The circuit operates two LEDs and...
Small high current spower supply (CB22264E)
Found in a publication from the 60's, this power supply has no regulation, but only current...
One Decade Sinusoidal Generator LM148 (CB19701E)
This circuit can use the LM148 and its more modern equivalents, generating a sinusoidal signal whose...