JPH0244432U - - Google Patents
Info
- Publication number
- JPH0244432U JPH0244432U JP12378288U JP12378288U JPH0244432U JP H0244432 U JPH0244432 U JP H0244432U JP 12378288 U JP12378288 U JP 12378288U JP 12378288 U JP12378288 U JP 12378288U JP H0244432 U JPH0244432 U JP H0244432U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- output
- detector
- squelch circuit
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Noise Elimination (AREA)
Description
第１図は本考案の一実施例を示す構成図である
。 １……ＦＭ検波器、２……信号検出器、４……
遅延回路、５……スイツチ回路、６……音声出力
信号。
。 １……ＦＭ検波器、２……信号検出器、４……
遅延回路、５……スイツチ回路、６……音声出力
信号。
Claims (1)
- ＦＭ受信機のスケルチ回路において、中間周波
数増幅器出力もしくはＦＭ検波器出力に少なくと
もスケルチ回路の動作立上り時間を越える遅延時
間を付与する遅延回路と、ＦＭ信号入力の有無を
検出する信号検出器と、前記信号検出器と検出結
果にもとづいてＦＭ信号が有するときには前記Ｆ
Ｍ検波出力を通しＦＭ信号入力が無いときには前
記ＦＭ検波出力を断とするスイツチ回路とを備え
て成ることを特徴とするスケルチ回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12378288U JPH0244432U (ja) | 1988-09-20 | 1988-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12378288U JPH0244432U (ja) | 1988-09-20 | 1988-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244432U true JPH0244432U (ja) | 1990-03-27 |
Family
ID=31372950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12378288U Pending JPH0244432U (ja) | 1988-09-20 | 1988-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244432U (ja) |
-
1988
- 1988-09-20 JP JP12378288U patent/JPH0244432U/ja active Pending