Based on CMOS logic gates, this circuit was found in an Electronic Design from the 90s. The circuit is for voltages from 11 to 15V, but it can be changed,
The TDA7053 consists of a class B stereo amplifier, formed by two amplifiers connected in bridge...
The critical components of this alarm in a 1978 publication are the transformers since we can use...
This circuit is from the Linear Applications Handbook of the National Semiconductor of 1994....