This circuit was presented in a January 1990 Radio Electronics magazine article as part of a home theater sound effects system. It consists of a 3 kHz high-pass filter.
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
This power supply was found in a RCA publication from the 1970s. The circuit uses transistors from that...
Maxim MAXREFDES67 Universal Analog Input Micro PLC is ideal in factory automation because of its...