CA999061A - Variable impedance circuit having a linear characteristic employing a ris field effect transistor - Google Patents
Variable impedance circuit having a linear characteristic employing a ris field effect transistorInfo
- Publication number
- CA999061A CA999061A CA170,994A CA170994A CA999061A CA 999061 A CA999061 A CA 999061A CA 170994 A CA170994 A CA 170994A CA 999061 A CA999061 A CA 999061A
- Authority
- CA
- Canada
- Prior art keywords
- field effect
- effect transistor
- variable impedance
- impedance circuit
- linear characteristic
- 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
Links
- 230000005669 field effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
- H03H11/245—Frequency-independent attenuators using field-effect transistor
-
- 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
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/605—Source, drain, or gate electrodes for FETs comprising highly resistive materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
- H10D84/817—Combinations of field-effect devices and resistors only
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4757872A JPS5323989B2 (enrdf_load_stackoverflow) | 1972-05-13 | 1972-05-13 | |
| JP7298072U JPS4932537U (enrdf_load_stackoverflow) | 1972-06-20 | 1972-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA999061A true CA999061A (en) | 1976-10-26 |
Family
ID=26387754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA170,994A Expired CA999061A (en) | 1972-05-13 | 1973-05-11 | Variable impedance circuit having a linear characteristic employing a ris field effect transistor |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT354518B (enrdf_load_stackoverflow) |
| CA (1) | CA999061A (enrdf_load_stackoverflow) |
| DE (1) | DE2323471C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2184815B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1431199A (enrdf_load_stackoverflow) |
| IT (1) | IT989208B (enrdf_load_stackoverflow) |
| NL (1) | NL7306701A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57196627A (en) * | 1981-05-29 | 1982-12-02 | Hitachi Ltd | Electronic circuit device |
| KR940005293B1 (ko) * | 1991-05-23 | 1994-06-15 | 삼성전자 주식회사 | 게이트와 드레인이 중첩된 모오스 트랜지스터의 제조방법 및 그 구조 |
| US10510823B2 (en) * | 2016-10-12 | 2019-12-17 | Mediatek Inc. | Impedance circuit with poly-resistor |
| US10535651B2 (en) * | 2016-10-12 | 2020-01-14 | Mediatek Inc. | Impedance circuit with poly-resistor |
| US10461702B2 (en) | 2017-04-19 | 2019-10-29 | Mediatek Inc. | Amplifier circuit having poly resistor with biased depletion region |
| EP3998647A3 (en) * | 2017-09-01 | 2022-07-06 | MediaTek Inc. | Impedance circuit with poly-resistor |
-
1973
- 1973-05-09 DE DE2323471A patent/DE2323471C2/de not_active Expired
- 1973-05-09 GB GB2208573A patent/GB1431199A/en not_active Expired
- 1973-05-11 IT IT7323984A patent/IT989208B/it active
- 1973-05-11 AT AT417673A patent/AT354518B/de not_active IP Right Cessation
- 1973-05-11 CA CA170,994A patent/CA999061A/en not_active Expired
- 1973-05-14 FR FR7317384A patent/FR2184815B1/fr not_active Expired
- 1973-05-14 NL NL7306701A patent/NL7306701A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AT354518B (de) | 1979-01-10 |
| GB1431199A (en) | 1976-04-07 |
| DE2323471C2 (de) | 1985-09-12 |
| FR2184815B1 (enrdf_load_stackoverflow) | 1977-09-02 |
| FR2184815A1 (enrdf_load_stackoverflow) | 1973-12-28 |
| IT989208B (it) | 1975-05-20 |
| ATA417673A (de) | 1979-06-15 |
| DE2323471A1 (de) | 1973-11-29 |
| NL7306701A (enrdf_load_stackoverflow) | 1973-11-15 |
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