This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This circuit uses na Unijunction Transistor (UJT) to produce a modulation tone for several...
This circuit is from a 1965 Electronic Design. The transistors may be general purpose and the...
This simple circuit with transistors turns on a small lamp when it gets dark. The sensor is an LDR...