This circuit for the VHF band of analog TV was found in Motorola documentation from the 70s. The integrated circuit used is uncommon today.
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...