Each issue of ETI magazine (Electronics Today International) featured a ‘designers notebook’ article. Sometimes providing interesting design ideas that can be of interest to syntheser / electronic music equipment builders.
In the May 1985 issue, this article featured the 4066B CMOS ic, with which the authors design different circuits, such as:
- Digitally controlled resistance, capacitor, impedance, amplifier gain or oscillator frequency in discrete steps.
- Digital controlled frequency of a 555 oscillator
- Digitally controlled first-order low pass filter
- Synthesized multi-gang potentiometer
The 4066 switch is also used in sequencer designs, which we will upload in the near future.
Below you will find the scans of the pages, also the pdf with the full article is downloadable below.
Full PDF: