This low-pass circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit is part of a home theater sound system.
Found in a RCA manual from the 1960s, this circuit uses components from that time. It can generate...
We found this circuit in Ferranti's 1974 transistor manual. The components are from the period. Note...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...