Found in Datel's documentation from the 1980s, this circuit makes use of the company's operational amplifiers. The circuit can be implemented with any modern equivalent operational.
This circuit of a 1969 Electronic Design uses RTL logic. The setting can be adapted to TTL. The...
This was the original title given by the publication of the 80s in which we found it. Similar...
This crystal oscillator circuit is indicated for use as a frequency reference in the calibration...