JPH026699Y2 - - Google Patents
Info
- Publication number
- JPH026699Y2 JPH026699Y2 JP10884382U JP10884382U JPH026699Y2 JP H026699 Y2 JPH026699 Y2 JP H026699Y2 JP 10884382 U JP10884382 U JP 10884382U JP 10884382 U JP10884382 U JP 10884382U JP H026699 Y2 JPH026699 Y2 JP H026699Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- preamplifier
- negative feedback
- amount
- input
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10884382U JPS5914439U (ja) | 1982-07-20 | 1982-07-20 | 電話送話器用増幅回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10884382U JPS5914439U (ja) | 1982-07-20 | 1982-07-20 | 電話送話器用増幅回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5914439U JPS5914439U (ja) | 1984-01-28 |
| JPH026699Y2 true JPH026699Y2 (en:Method) | 1990-02-19 |
Family
ID=30253780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10884382U Granted JPS5914439U (ja) | 1982-07-20 | 1982-07-20 | 電話送話器用増幅回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5914439U (en:Method) |
-
1982
- 1982-07-20 JP JP10884382U patent/JPS5914439U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5914439U (ja) | 1984-01-28 |
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