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.
This circuit of a few tens of milliwatts of power requires a single source. We found it in a Radio...
This circuit has two stable states such that at each instant only one SCR leads. The state change is...
An stable multivibrator with 50% of duty cucle can be mounted using the 555 as shown by the...