Found in Ferranti's 1969 documentation this circuit has a maximum operating frequency of 7.5 MHz. The circuit can be designed with modern transistors.
This low-pass filter was found in an American publication from the 80's. The circuit uses an...
May 2016 - It can be obtained from Mouser Electronics new connectors Ultra-Fit ™ series from Nikex for...
This interesting 50 mA constant current source uses an LED as a reference and the current is...