JPH0448714U - - Google Patents
Info
- Publication number
- JPH0448714U JPH0448714U JP9214590U JP9214590U JPH0448714U JP H0448714 U JPH0448714 U JP H0448714U JP 9214590 U JP9214590 U JP 9214590U JP 9214590 U JP9214590 U JP 9214590U JP H0448714 U JPH0448714 U JP H0448714U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- attenuator
- influence
- switching
- changed
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Attenuators (AREA)
Description
第１図はこの考案の一実施例による可変減衰器
を示す回路図、第２図はスイツチの回路図、第３
図はスイツチの特性図、第４図は従来の実施例に
よる可変減衰器を示す回路図である。
図において、１はスイツチ、２は減衰器、３は
線路である。なお図中同一符号は同一又は相当部
分を示す。
Fig. 1 is a circuit diagram showing a variable attenuator according to an embodiment of this invention, Fig. 2 is a circuit diagram of a switch, and Fig. 3 is a circuit diagram showing a variable attenuator according to an embodiment of this invention.
The figure is a characteristic diagram of the switch, and FIG. 4 is a circuit diagram showing a variable attenuator according to a conventional embodiment. In the figure, 1 is a switch, 2 is an attenuator, and 3 is a line. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
減衰器において、各減衰器の位相差を所定の値に
する事により周波数による影響を少なくしたこと
を特徴とする可変減衰器。 A variable attenuator whose attenuation amount is changed by switching a switch, characterized in that the influence of frequency is reduced by setting the phase difference between each attenuator to a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9214590U JPH0448714U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9214590U JPH0448714U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448714U true JPH0448714U (en) | 1992-04-24 |
Family
ID=31828380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9214590U Pending JPH0448714U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448714U (en) |
-
1990
- 1990-08-29 JP JP9214590U patent/JPH0448714U/ja active Pending