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 was found in the Optoelctronics Sourcebook from Texas Instruments. The circuit has a...
With this preamplifier it is possible to use a small speaker as a microphone. The circuit is also...
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...