This circuit transmits in the FM band. It is a good range FM transmitter found in a 90's Silicon Chip documentation. The integrated circuit used can be difficult to obtain.
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
This circuit was found in a 1963 publication. Its purpose is to test general purpose NPN and PNP...
A delay of a few seconds to a few tens of seconds can be achieved with this circuit found in a...