RF Power Meter (CB4885E)

This RF wattmeter was found in an American 1980s documentation. The components are common and the instrument is an analog microammeter.

Resistive Touch Screen FT Series
June 2017 - The new touch screens with resistive sensors of the FK Series from NKK Switches can...
TTL to CMOS Converter (CB6097E)
This circuit, suggested by Signetics can be used as a shield. Modern operational can be employed...
Diode Test (CB5328E)
Instead of the lamps, LEDs can be used in series with 470 ohm resistors. The circuit is from an...