This circuit can generate signals up to 100 kHz. Found in documentation from the 1980s, it makes use of operatives of the time.
This shield circuit uses a common CMOS port. The voltage depends on the interfaced logic. The...
This logarithmic gain operating configuration was found in the June 1994 Electronics Now magazine. The...
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...