This 80's circuit can be implemented with modern equivalent FETs with lower on resistance. The attenuation is 80 dB at 100MHz.
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...
This circuit monitors the current of a series of 40 V lithium battery packs connected in series....
Audio frequencies in the 300 Hz to 30 kHz range can be measured with this circuit. Transistors allow...