This circuit is from a factory manual from the 80s. The circuit can be implemented with more modern operationals. Capacitor C1 is a low leakage type. The power supply must be symmetrical.
This signal attenuator was suggested by Electronics Now magazine in April 1999. The circuit is...
This circuit is from a manual of linear integrated circuits of the 80s. The operational is of the...
This circuit is from a 1978 publication, and the integrated diode bridge can be replaced by...