Found in a Philips documentation from the 90s, this circuit uses transistors from that time. Modern general-purpose transistors can be used.
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...
This 1/2 hertz high selectivity filter was found in the December 1990 issue of Radio Electronics...
Connected to the low current input of a standard multimeter, this circuit enables the reading of...