JPH0253630U - - Google Patents
Info
- Publication number
- JPH0253630U JPH0253630U JP13261388U JP13261388U JPH0253630U JP H0253630 U JPH0253630 U JP H0253630U JP 13261388 U JP13261388 U JP 13261388U JP 13261388 U JP13261388 U JP 13261388U JP H0253630 U JPH0253630 U JP H0253630U
- Authority
- JP
- Japan
- Prior art keywords
- crosspoint
- analog switch
- whose
- attenuator
- software
- 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 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
図面は本考案の一実施例を示し、第１図は回路
図、第２図はタイミングチヤート、第３図は音量
切換え例のフローチヤート、第４図は音量設定例
のフローチヤートである。
１……クロスポイントアナログスイツチ、Ｒ１
１〜Ｒ２８……外付けの抵抗器。
The drawings show an embodiment of the present invention; FIG. 1 is a circuit diagram, FIG. 2 is a timing chart, FIG. 3 is a flowchart of an example of volume switching, and FIG. 4 is a flowchart of an example of volume setting. 1...Cross point analog switch, R 1
1 to R28 ...External resistor.
Claims (1)
組合せが選択されるクロスポイントアナログスイ
ツチと、任意に定数設定されて前記クロスポイン
トアナログスイツチに外付け接続された抵抗器と
からなることを特徴とする減衰器。 An attenuator comprising a crosspoint analog switch whose on/off combination is selected by software, and a resistor whose constant is arbitrarily set and externally connected to the crosspoint analog switch. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13261388U JPH0253630U (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13261388U JPH0253630U (en) | 1988-10-11 | 1988-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253630U true JPH0253630U (en) | 1990-04-18 |
Family
ID=31389737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13261388U Pending JPH0253630U (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253630U (en) |
-
1988
- 1988-10-11 JP JP13261388U patent/JPH0253630U/ja active Pending