This FM advertising suppressor (SCA) decoder circuit was suggested by Signetics in a 1980s documentation. The circuitry decodes the 67 kHz signal. The integrated circuit used is of the time.
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
This amplifier was obtained from the CA3140 datasheet, an operational amplifier with JFET at the...
September 2017 - Vishay Siliconix SQ MOSFETs for automotive use are in stock for immediate...