This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is the 74LS14.
The figure shows how to use a varicap in a conventional tuning circuit. The circuit may be an...
The CUT frequency for this filter is determined by the capacitors. The µA4138 is a quad version of...
The TTL 74123 integrated circuit consists of a monostable that can be configured to generate...