JPS63173295U - - Google Patents
Info
- Publication number
- JPS63173295U JPS63173295U JP1987066514U JP6651487U JPS63173295U JP S63173295 U JPS63173295 U JP S63173295U JP 1987066514 U JP1987066514 U JP 1987066514U JP 6651487 U JP6651487 U JP 6651487U JP S63173295 U JPS63173295 U JP S63173295U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- zener diode
- converter
- input signal
- added
- 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
- 230000005236 sound signal Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
図はこの考案の回路図である。
１……音声信号入力端子、２……電流制限用抵
抗、３，４……電圧制限用ツエナーダイオード、
５……音声信号出力端子。
The figure is a circuit diagram of this invention. 1... Audio signal input terminal, 2... Current limiting resistor, 3, 4... Voltage limiting Zener diode,
5...Audio signal output terminal.
Claims (1)
の入力信号の電圧レベルを制限するための電流制
限用抵抗２及び電圧制限用ツエナーダイオード３
，４を付加した音声信号処理回路。 In ADPCM audio analysis, a current limiting resistor 2 and a voltage limiting Zener diode 3 are used to limit the voltage level of the input signal to the A/D converter.
, 4 is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066514U JPS63173295U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066514U JPS63173295U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173295U true JPS63173295U (en) | 1988-11-10 |
Family
ID=30904591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987066514U Pending JPS63173295U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173295U (en) |
-
1987
- 1987-04-30 JP JP1987066514U patent/JPS63173295U/ja active Pending