This is the basic full-scale circuit of an LM3914 for voltage measurement or voltage triggering and control. The power supply must be within the indicated range.
This switched power supply was found in a 70s documentation. The basic components are from that...
This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is...
Connected to a shortwave receiver, this circuit is intended to enable the decoding of signals in...