This 1968 Mallory circuit uses an uncommon integrated circuit today. The circuit has a 30 to 20,000 Hz response with lower power and is powered by 12 V.
PIC18F “K40” Features Intelligent ADC with Filtering and Signal Analysis Capabilities Ideal for...
This 1/2 hertz high selectivity filter was found in the December 1990 issue of Radio Electronics...
CHANDLER, Ariz., LABEGE, France - Oct. 26, 2016 – Microchip Technology Inc. (NASDAQ: MCHP), a...