JPH0253978B2 - - Google Patents
Info
- Publication number
- JPH0253978B2 JPH0253978B2 JP3579386A JP3579386A JPH0253978B2 JP H0253978 B2 JPH0253978 B2 JP H0253978B2 JP 3579386 A JP3579386 A JP 3579386A JP 3579386 A JP3579386 A JP 3579386A JP H0253978 B2 JPH0253978 B2 JP H0253978B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- average level
- output
- detector
- transistor
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- 230000005236 sound signal Effects 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Filters And Equalizers (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3579386A JPS62193417A (ja) | 1986-02-20 | 1986-02-20 | 中間周波増幅回路のフイルタ切換回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3579386A JPS62193417A (ja) | 1986-02-20 | 1986-02-20 | 中間周波増幅回路のフイルタ切換回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62193417A JPS62193417A (ja) | 1987-08-25 |
| JPH0253978B2 true JPH0253978B2 (en]) | 1990-11-20 |
Family
ID=12451797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3579386A Granted JPS62193417A (ja) | 1986-02-20 | 1986-02-20 | 中間周波増幅回路のフイルタ切換回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62193417A (en]) |
-
1986
- 1986-02-20 JP JP3579386A patent/JPS62193417A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62193417A (ja) | 1987-08-25 |
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