When the voltage in the circuit exceeds the value set in the trimpot, the LED goes off and, if a low current buzzer is used, it rings. The circuit is from American documentation from 1999.
In this transmitter for telephone conversations, found in a 1985 publication, the L1 coil has 4...
This circuit was found in an American 1980s documentation. Equivalent operational amplifiers can be...
January 2017 - Mouser Electronics is shipping the new Littlelfuse TVS SP1043, SP1044 and SP1045...