JPS5687725U - - Google Patents
Info
- Publication number
- JPS5687725U JPS5687725U JP1979170782U JP17078279U JPS5687725U JP S5687725 U JPS5687725 U JP S5687725U JP 1979170782 U JP1979170782 U JP 1979170782U JP 17078279 U JP17078279 U JP 17078279U JP S5687725 U JPS5687725 U JP S5687725U
- 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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
-
- 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
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
- H03G1/0058—PIN-diodes
-
- 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
- H03H7/255—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN 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
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
Landscapes
- Attenuators (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Electronic Switches (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979170782U JPS6246332Y2 (ja) | 1979-12-10 | 1979-12-10 | |
| US06/212,100 US4369414A (en) | 1979-12-10 | 1980-12-02 | High-frequency input circuit for two inputs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979170782U JPS6246332Y2 (ja) | 1979-12-10 | 1979-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5687725U true JPS5687725U (ja) | 1981-07-14 |
| JPS6246332Y2 JPS6246332Y2 (ja) | 1987-12-14 |
Family
ID=15911265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979170782U Expired JPS6246332Y2 (ja) | 1979-12-10 | 1979-12-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4369414A (ja) |
| JP (1) | JPS6246332Y2 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3210452A1 (de) * | 1982-03-22 | 1983-09-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Signal-eingangsschaltung |
| US4646036A (en) * | 1985-12-23 | 1987-02-24 | Motorola, Inc. | Signal attenuation circuit |
| JPH05300043A (ja) * | 1992-04-22 | 1993-11-12 | Pioneer Electron Corp | アッテネータ回路 |
| GB2294831B (en) * | 1994-11-03 | 1998-12-16 | Marconi Gec Ltd | Switching arrangement |
| JP3335079B2 (ja) * | 1996-07-01 | 2002-10-15 | シャープ株式会社 | Ａｇｃ回路 |
| FR2763763B1 (fr) * | 1997-05-23 | 1999-07-30 | Trt Lucent Technologies | Attenuateur variable a commande electronique |
| US6304126B1 (en) * | 1997-09-29 | 2001-10-16 | Stmicroelectronics S.A. | Protection circuit that can be associated with a filter |
| US6420923B1 (en) * | 2000-07-12 | 2002-07-16 | Motorola, Inc. | Low supply, current-controlled FET Pi attenuator |
| JP3896962B2 (ja) * | 2002-12-17 | 2007-03-22 | 株式会社村田製作所 | チューナ回路 |
| EP1847016A1 (en) * | 2005-01-31 | 2007-10-24 | Nxp B.V. | Receiver having a gain-controllable input stage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL156008B (nl) * | 1970-06-06 | 1978-02-15 | Philips Nv | Ingangsschakeling van een televisie-afstemeenheid. |
| US3518585A (en) * | 1966-12-30 | 1970-06-30 | Texas Instruments Inc | Voltage controlled a.c. signal attenuator |
| NL7506265A (nl) * | 1975-05-28 | 1976-11-30 | Philips Nv | Regelbare hf-signaalverzwakker. |
| US4019160A (en) * | 1975-12-05 | 1977-04-19 | Gte Sylvania Incorporated | Signal attenuator circuit for TV tuner |
| US4097827A (en) * | 1977-02-04 | 1978-06-27 | The United States Of America As Represented By The Secretary Of The Air Force | Constant impedance, constant phase pin diode with attenuator |
-
1979
- 1979-12-10 JP JP1979170782U patent/JPS6246332Y2/ja not_active Expired
-
1980
- 1980-12-02 US US06/212,100 patent/US4369414A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4369414A (en) | 1983-01-18 |
| JPS6246332Y2 (ja) | 1987-12-14 |