This circuit was found in a 1967 Electronics World. We can design it with a BF245 for the FET and a BC558 for the bipolar transistor. The circuit has 3 scales and a 10 M ohm input resistance.
This circuit is from an old American publication. It divides a 40 to 60 MHz TTL signal by integer...
The SN72741 integrated circuit is nothing more than the version of Texas Instruments of the known...
Found elsewhere in this section, but from other sources, this circuit is from a 1964 Electronic...