This circuit was found in a 1982 Maplin publication. The circuit is tuned to recognize a 400 Hz signal. This frequency can be changed by exchanging R and C.
400 Hz selective filter (CB7519E)
- Details
- Written by: Newton C. Braga
This circuit was found in a 1982 Maplin publication. The circuit is tuned to recognize a 400 Hz signal. This frequency can be changed by exchanging R and C.
