Found in a 1964 Electrronic Design, this circuit is intended to control analog video signals. The circuit has an attenuation of 45 dB at 20 kHz.
Direct current motors from 5 to 12 volts and currents up to 2A can be controlled with this...
The normal use of a 4520 as a divide-by-16 counter is shown in Figure bellow. In the normal...
This amplifier for automotive use was found in the SGS manual of linear integrated circuits of...