Found in a Philips documentation from the 90s, this circuit uses transistors from that time. Modern general-purpose transistors can be used.
Found in American documentation from 1968, this circuit has an acute cut-off of the frequency to...
This low input impedance amplifier stage was found in a 1963 documentation. The circuit employs a...
We found this conventional sequencer configuration with the CMOS 4013 integrated circuit...