Using an RCA integrated circuit, this instrumentation amplifier was found in a November 1970 Radio Electronics magazine. The instrument has a full scale of 100 uA.
The circuit shown in the figure uses a programmable unijunction transistor (PUT) of the BRY39 type...
This circuit generates a 5V rectangular signal. The circuit is suitable for calibrating TTL...
This configuration, explored in other applications of this section and website, was found in a 90s...