JPS4990850A - - Google Patents
Info
- Publication number
- JPS4990850A JPS4990850A JP48003461A JP346173A JPS4990850A JP S4990850 A JPS4990850 A JP S4990850A JP 48003461 A JP48003461 A JP 48003461A JP 346173 A JP346173 A JP 346173A JP S4990850 A JPS4990850 A JP S4990850A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/54—Modifications of networks to reduce influence of variations of temperature
Landscapes
- Networks Using Active Elements (AREA)
- Control Of Amplification And Gain Control (AREA)
- Semiconductor Integrated Circuits (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10935272A JPS5344100B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP47109353A JPS4966261A (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP733461A JPS5344101B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-12-28 | |
| GB4941173A GB1445363A (en) | 1972-10-31 | 1973-10-24 | Variable impedance circuit |
| US409443A US3891867A (en) | 1972-10-31 | 1973-10-25 | Variable impedance circuit |
| DE19732353695 DE2353695C3 (de) | 1972-10-31 | 1973-10-26 | Variables Impedanznetzwerk |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10935272A JPS5344100B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP47109353A JPS4966261A (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP733461A JPS5344101B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990850A true JPS4990850A (US20100170793A1-20100708-C00006.png) | 1974-08-30 |
| JPS5344101B2 JPS5344101B2 (US20100170793A1-20100708-C00006.png) | 1978-11-25 |
Family
ID=27275845
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10935272A Expired JPS5344100B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP47109353A Pending JPS4966261A (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP733461A Expired JPS5344101B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-12-28 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10935272A Expired JPS5344100B2 (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 | |
| JP47109353A Pending JPS4966261A (US20100170793A1-20100708-C00006.png) | 1972-10-31 | 1972-10-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3891867A (US20100170793A1-20100708-C00006.png) |
| JP (3) | JPS5344100B2 (US20100170793A1-20100708-C00006.png) |
| GB (1) | GB1445363A (US20100170793A1-20100708-C00006.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267518A (en) * | 1979-09-13 | 1981-05-12 | Sperry Corporation | Gain controllable amplifier stage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3248661A (en) * | 1962-04-25 | 1966-04-26 | Int Standard Electric Corp | Control arrangement for amplifier stages |
| US3539826A (en) * | 1967-09-01 | 1970-11-10 | Ibm | Active variable impedance device for large signal applications |
| US3579133A (en) * | 1969-01-29 | 1971-05-18 | Rca Corp | Signal translating stage |
| JPS5318134B2 (US20100170793A1-20100708-C00006.png) * | 1972-05-12 | 1978-06-13 |
-
1972
- 1972-10-31 JP JP10935272A patent/JPS5344100B2/ja not_active Expired
- 1972-10-31 JP JP47109353A patent/JPS4966261A/ja active Pending
- 1972-12-28 JP JP733461A patent/JPS5344101B2/ja not_active Expired
-
1973
- 1973-10-24 GB GB4941173A patent/GB1445363A/en not_active Expired
- 1973-10-25 US US409443A patent/US3891867A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5344100B2 (US20100170793A1-20100708-C00006.png) | 1978-11-25 |
| JPS5344101B2 (US20100170793A1-20100708-C00006.png) | 1978-11-25 |
| JPS4966261A (US20100170793A1-20100708-C00006.png) | 1974-06-27 |
| DE2353695B2 (de) | 1976-08-19 |
| DE2353695A1 (de) | 1974-05-09 |
| US3891867A (en) | 1975-06-24 |
| GB1445363A (en) | 1976-08-11 |
| JPS4966254A (US20100170793A1-20100708-C00006.png) | 1974-06-27 |
