Today this frequency corresponds to the end of the FM band. However, in December 1958, when the circuit was published in Radio Electronics magazine it was the frequency used by American satellites.
Passaje Alarm This locking circuit was found in a 1988 publication. It locks a relay when the...
Found in a publication for radio amateurs from the 1980s, this circuit amplifies signals in the 60...
We found this circuit in an application note from Linear Technology of the 90s. The circuit uses...