The purpose of this circuit, which we found in the November 1986 Radio Electronics issue, is to determine the voltage across a zener diode. Several test currents can be selected.
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...
We found this circuit in the September 1971 Radio Electronics magazine. The SCR can be any of the...
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...