Beam Communicator (CB25533E)

This circuit was found in the December 1992 Radio Electronics magazine. Range depends on optical capabilities and also weather conditions.

| Clique na imagem para ampliar |

Video Peak Detector (CB5293E)
This circuit was obtained from a 1976 NASA handbook. The circuit makes use of an operational of the...
Voltage controlled gain amplifier (CB8992E)
Found in a 1980s American documentation, this circuit is intended for amplifying 10.7 MHz video...
3 W to 8 MHz Amplifier (CB6133E)
This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is...