Five megahertz RF (radiofrequency) signal attenuator utilizing RF quadrature hybrid, and optically viable-resistance load controlled by lamp circuit exhibits little phase shift. Circuit is designed to help distribute standard RF signal of controlled amplitude, and phase throughout complex of facilities could be useful in application to precision test equipment and communication electronics.
Voltage-controlled attenuator with low phase shift
NASA Tech Briefs ; 4 , 3
1980-04-01
Miscellaneous
No indication
English
An optically controlled microwave attenuator
IEEE | 1993
|An Optically Controlled Microwave Attenuator
British Library Conference Proceedings | 1993
|