This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only 10 Hz pass around a 400 Hz center frequency with the indicated components.
The integrated circuits used in this oscillator are not very common today, as we obtained it in...
This circuit is suitable for applications in medical, research and industrial equipment. The...
This amplifier with the LM1098 and LM101 by Motorola from a 1990 manual can be designed with more...