This low pass filter has attenuation of 5.5 dB and the frequencies depend on the values of the components in the case 1 kHz.
This circuit is from an American documentation of the 1980s. The circuit can be implemented with more...
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...
This amplifier was found in a Radio Electronics of the 90s. The circuit uses unusual operational...