This circuit was found in the April 1993 Electronics Now magazine. With it, it is possible to control the gain of an operational circuit with a JFET.
Suggested by an American technical documentation, this circuit is polarized in order to provide an...
January 2017 - Mouser Electronics is shipping the new Littlelfuse TVS SP1043, SP1044 and SP1045...
This doorbell or buzzer as announced in a 1990s US publication uses an operational amplifier that admits...