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 from a June 1957 Radio Electgronics is for oscilloscopes of the time with a maximum...
This circuit is from an English magazine Radio and Electronics Constructor of November 1978. The...
This circuit was obtained from a Linear Technology manual from the 90's. The integrated circuits are...