In this circuit of an old American documentation, the input impedance is the same as the output impedance. The circuit has a sensitivity of 1 Vpp at 75 ohms.
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...