This circuit covers the bands from 1.8 to 150 MHz, with plug-in coils whose characteristics are given next to the diagram. The FET can be a BF245. We found it in old documentation.
We found this circuit in a 1990s documentation. The circuit uses components from the era providing...
This circuit was obtained in a technical documentation on SCRs of 1976. The circuit can be...
This circuit of an EDN divides the input pulse frequency by even values. The circuit is TTL and...