This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating amplifiers with the same characteristics and the power supply must be symmetrical.
This circuit was obtained in an old American publication from 1974. The supply must be made with 5 V...
The purpose of this circuit is to keep the other phones on the same line muted when one is used....
August 2017 - STMicroelectronics' new DSL05 transient suppressors for 12 and 24 V voltages and...