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 can be used with previous transmitters to decode a signal transmitted via power grid....
The circuit presented uses an integrated circuit Sanyo, not very common in our day. This amplifier provides...
This 2005 circuit from a Linear Technology manual makes use of the LTC610HV and an optical coupler that...