The circuit shown is from the November 1996 Electronics Now magazine. The basic circuit is in the previous 3 sections of this section. The circuit measures resistances up to 2M ohms.
This programmable sound circuit was found in the July 1978 issue of Radio Electronics magazine. It uses an...
In the figure we have an interesting protection bridge against power polarity inversion of a...
Found in 1980s documentation, this amplifier uses a symmetric source and the gain is given by the...