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.
This simple clock can be used to generate signals up to 100 kHz, depending on the crystal. We found...
Found in a Popular Electronics from the 90s, this circuit transforms an ordinary oscilloscope into a...
This circuit is from a 1967 documentation. The circuit uses germanium transistors and has an...