This low-power, low-supply voltage amplifier uses a preamplifier to achieve a high-gain configuration. The circuit is from the November 1999 issue of Electronics Now magazine.
This circuit was found in an old publication and can be adapted for use with modern...
Rectangular signals up to a few hundred kilohertz can be generated with this circuit, which is...
The lie detector we presented was created by a professional detective and found in a 1982...