JPS617120U - Electronically switched variable attenuation device - Google Patents
Electronically switched variable attenuation deviceInfo
- Publication number
- JPS617120U JPS617120U JP9047084U JP9047084U JPS617120U JP S617120 U JPS617120 U JP S617120U JP 9047084 U JP9047084 U JP 9047084U JP 9047084 U JP9047084 U JP 9047084U JP S617120 U JPS617120 U JP S617120U
- Authority
- JP
- Japan
- Prior art keywords
- electronic switch
- attenuator
- path
- electronically switched
- attenuation device
- 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.)
- Granted
Links
Landscapes
- Attenuators (AREA)
- Electronic Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図は本考案に係る電子スイッチ式減衰装置
であり、このうち第１図はπ型減衰器を使用したもの、
第２図はＴ型減衰器を使用したもの、第３図は本考案に
係る電子スイッチ式減衰装置の使用例を示す説明図、第
４図イ，口は本考案に係る電子スイッチ式減衰装置の動
作説明図、第５因は第１図の等価回路図、第６図及び第
７図イ，口は従来の減衰暮の説明図である６
１は減衰器、２はスルー経路、Ｑ．， Ｑ５は第一の電
子スイッチ、Ｑ１，Ｑ２は第二スイッチ、Ｑ３は第三の
電子式スイッチ。Figures 1 and 2 show electronic switch type attenuation devices according to the present invention, of which Figure 1 uses a π-type attenuator;
Fig. 2 shows an example using a T-type attenuator, Fig. 3 is an explanatory diagram showing an example of the use of the electronic switch type attenuator according to the present invention, and Fig. 4 shows an electronic switch type attenuator according to the present invention. The fifth factor is an equivalent circuit diagram of FIG. 1, and FIG. 6 and FIG. , Q5 is the first electronic switch, Q1 and Q2 are the second switches, and Q3 is the third electronic switch.
Claims (3)
または形成しない第一の電子スイッチと、スルー経路が
形成されるときは減衰器の接地側抵抗が接地されず、第
一の電子スイッチでスルー経路が形成されないときは同
接地側抵抗が接地されるようにする第二の電子スイッチ
と、スルー経路が形成されないときは第一の電子スイッ
チが高周波的に接地され、スルー経路が形成されるとき
は第一の電子スイッチが接地されないようにする第三の
電子スイッチを設けてなる電子スイッチ式減衰装置。(1) an attenuator and a first electronic switch that may or may not form a through path in parallel with the attenuator; when the through path is formed, the ground side resistance of the attenuator is not grounded; When a through path is not formed by the electronic switch, the second electronic switch connects the ground side resistor to ground, and when a through path is not formed, the first electronic switch is grounded at high frequency, and the through path is established. An electronically switched damping device comprising a third electronic switch which, when formed, prevents the first electronic switch from being grounded.
項に記載の電子スイッチ式減衰装置。(2) Claim 1 of the utility model registration in which the attenuator is of the π type
Electronically switched damping device as described in Section 1.
１項に記載の電子スイッチ式減衰装置。(3) The electronic switch type attenuation device according to claim 1, wherein the attenuator is of T type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9047084U JPS617120U (en) | 1984-06-18 | 1984-06-18 | Electronically switched variable attenuation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9047084U JPS617120U (en) | 1984-06-18 | 1984-06-18 | Electronically switched variable attenuation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS617120U true JPS617120U (en) | 1986-01-17 |
| JPH0218591Y2 JPH0218591Y2 (en) | 1990-05-24 |
Family
ID=30645490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9047084U Granted JPS617120U (en) | 1984-06-18 | 1984-06-18 | Electronically switched variable attenuation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251417U (en) * | 1988-10-05 | 1990-04-11 | ||
| JPH0494819U (en) * | 1991-01-09 | 1992-08-18 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430922U (en) * | 1977-08-04 | 1979-02-28 |
-
1984
- 1984-06-18 JP JP9047084U patent/JPS617120U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430922U (en) * | 1977-08-04 | 1979-02-28 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251417U (en) * | 1988-10-05 | 1990-04-11 | ||
| JPH0494819U (en) * | 1991-01-09 | 1992-08-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218591Y2 (en) | 1990-05-24 |
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