Low noise, high thermal stability attenuator of the integratable type
US4716321A · kind A · utility
5Cited by
1References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Feb 10, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/25
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A low noise, high thermal stability attenuator of the integratable type is disclosed. The attenuator comprises a fixed network of resistive elements, having a plurality of outputs each at a different attenuation level, and a switched amplifier receiving at its input such different attenuation outputs, as well as a control signal which specifies which of the amplifier inputs is to be output. Advantageously, this attenuator may be implemented in several stages, each having different attenuation ranges or steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.