Using CMOS circuits and operational amplifiers of the time, this circuit was found in the September 1977 issue of Radio Electronics magazine. The circuit is powered by a 15 V power source.
Operatives used in this 80's configuration are not common today, but it is valid for modern...
The 5 outputs of the internal 4018 integrated flop flops can be used simultaneously for the...
This voltage-controlled potentiometer using an LDR was found in an English documentation. LDR is...