This car audio amplifier was found in a Popular Electronics Hobbyist Handbook from the 1990s. The circuit uses the TDA2004 to boost the car radio output of cars of the time.
Measuring capacitances and resistance this simple instrument was found in Radio Electronics...
The LM143 integrated circuit is a high voltage operational amplifier from National Semiconductor that is...
We found this circuit in the November 1985 issue of Radio Electronics magazine. It uses TTL...