We found this circuit in the June 1991 issue of Radio Electronics magazine. The integrated circuit is still available. The table gives the component values.
The operating principle of this circuit, from a 1956 publication, is simple to understand. The...
This circuit can be used in instrumentation to obtain a very high input impedance for measurement of...
This circuit indicates the intensity of RF signals up to more than 00 MHz and can be used as a...