GB2193400B - Improvements in and relating to attenuators - Google Patents
Improvements in and relating to attenuatorsInfo
- Publication number
- GB2193400B GB2193400B GB8610534A GB8610534A GB2193400B GB 2193400 B GB2193400 B GB 2193400B GB 8610534 A GB8610534 A GB 8610534A GB 8610534 A GB8610534 A GB 8610534A GB 2193400 B GB2193400 B GB 2193400B
- Authority
- GB
- United Kingdom
- Prior art keywords
- attenuators
- relating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
- H03H7/253—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8610534A GB2193400B (en) | 1986-04-30 | 1986-04-30 | Improvements in and relating to attenuators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8610534A GB2193400B (en) | 1986-04-30 | 1986-04-30 | Improvements in and relating to attenuators |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8610534D0 GB8610534D0 (en) | 1986-06-04 |
GB2193400A GB2193400A (en) | 1988-02-03 |
GB2193400B true GB2193400B (en) | 1990-01-31 |
Family
ID=10597090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8610534A Expired - Fee Related GB2193400B (en) | 1986-04-30 | 1986-04-30 | Improvements in and relating to attenuators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2193400B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB288371A (en) * | 1927-01-07 | 1928-04-10 | Gaston Adelin Mathieu | Improvements in or relating to automatic current limiting and regulating devices, for use in electrical signalling |
GB1143355A (en) * | 1965-10-23 | 1969-02-19 | Adage Inc | Hybrid computer |
GB1161238A (en) * | 1965-10-24 | 1969-08-13 | Texas Instruments Inc | Gain Control Circuit. |
GB1515904A (en) * | 1975-09-11 | 1978-06-28 | Orange Musical Ind Ltd | Digitally controlled amplifying equipment |
GB2070358A (en) * | 1980-02-25 | 1981-09-03 | Sharp Kk | Digital volume control |
GB2129636A (en) * | 1982-10-27 | 1984-05-16 | Tektronix Inc | Programmable attenuator |
EP0210783A2 (en) * | 1985-07-23 | 1987-02-04 | Hewlett-Packard Company | Pin diode switched RF step attenuator |
-
1986
- 1986-04-30 GB GB8610534A patent/GB2193400B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB288371A (en) * | 1927-01-07 | 1928-04-10 | Gaston Adelin Mathieu | Improvements in or relating to automatic current limiting and regulating devices, for use in electrical signalling |
GB1143355A (en) * | 1965-10-23 | 1969-02-19 | Adage Inc | Hybrid computer |
GB1161238A (en) * | 1965-10-24 | 1969-08-13 | Texas Instruments Inc | Gain Control Circuit. |
GB1515904A (en) * | 1975-09-11 | 1978-06-28 | Orange Musical Ind Ltd | Digitally controlled amplifying equipment |
GB2070358A (en) * | 1980-02-25 | 1981-09-03 | Sharp Kk | Digital volume control |
GB2129636A (en) * | 1982-10-27 | 1984-05-16 | Tektronix Inc | Programmable attenuator |
EP0210783A2 (en) * | 1985-07-23 | 1987-02-04 | Hewlett-Packard Company | Pin diode switched RF step attenuator |
Also Published As
Publication number | Publication date |
---|---|
GB8610534D0 (en) | 1986-06-04 |
GB2193400A (en) | 1988-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930430 |