This circuit is from a 1968 documentation using one of the first integrated circuits available at the time, the TAA370. The circuit is powered by 1.3 V using a 200 ohm handset.
These basic bass controls were obtained from an article in Electronics Now magazine in February 1995....
We found this circuit in a 1994 publication. It makes use of a divider for 16 384 CMOS type 4060. By...
Found in a 90’s Electronic Design, this circuit generates stable signals in frequency given by the...