Found in an Electronic Design from the 90s, this circuit makes use of components from the time. The signal shapes are given next to the diagram.
This circuit was found in the Radio Electronics magazine in an article about emitter-coupled...
This filter is from a 1977 manual. The integrated circuit is 741. The frequency is given by f = 1...
April 2017 - Mouser Electronics already stocks the new Broadcom APDS-9500 proximity and gesture...