Constant impedance, constant phase pin diode with attenuator
US4097827A · kind A · utility
18Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1977 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Feb 4, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/255
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A constant impedance, constant phase PIN diode attenuator uses PIN diodes in a double pi configuration. A control voltage is applied simultaneously thereto thus attaining 40 dB attenuation without substantially varying phase and amplitude characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.