JPH0455837U - - Google Patents
Info
- Publication number
- JPH0455837U JPH0455837U JP9880790U JP9880790U JPH0455837U JP H0455837 U JPH0455837 U JP H0455837U JP 9880790 U JP9880790 U JP 9880790U JP 9880790 U JP9880790 U JP 9880790U JP H0455837 U JPH0455837 U JP H0455837U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- signal
- input
- detected
- agc
- 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 2
Landscapes
- Noise Elimination (AREA)
Description
第１図は本考案のＦＭ受信機の一実施例の構成
図、第２図は従来および本考案のＡＧＣの効くレ
ベル比較を示す図、第３図は従来および本考案の
Ｓメータの飽和点を示す図である。
３……ＲＦ増幅器、５，１０……ＡＧＣレベル
検波器、６，１１……ＡＧＣ増幅器、７，９，１
２〜１４……ＩＦ増幅器、８……ＩＦアツテネー
タ。
Fig. 1 is a block diagram of an embodiment of the FM receiver of the present invention, Fig. 2 is a diagram showing a comparison of the effective levels of the AGC of the conventional and the present invention, and Fig. 3 is the saturation point of the S meter of the conventional and the present invention. FIG. 3...RF amplifier, 5,10...AGC level detector, 6,11...AGC amplifier, 7,9,1
2 to 14...IF amplifier, 8...IF attenuator.
Claims (1)
信機において、該ＩＦ増幅器の前段から信号を取
り出し、該信号をＡＧＣレベル検波器で検波し、
検波した信号をＡＧＣ増幅器で増幅し、前記ＩＦ
増幅器の前段に設けたＩＦアツテネータに入力す
ることを特徴とするＦＭ受信機。 In an FM receiver equipped with an IF amplifier that amplifies an IF signal, a signal is extracted from the stage before the IF amplifier, the signal is detected by an AGC level detector,
The detected signal is amplified by an AGC amplifier, and the IF
An FM receiver characterized in that input is input to an IF attenuator provided before an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9880790U JPH0455837U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9880790U JPH0455837U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455837U true JPH0455837U (en) | 1992-05-13 |
Family
ID=31840259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9880790U Pending JPH0455837U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455837U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451828A (en) * | 1987-08-24 | 1989-02-28 | Toshiba Corp | Receiver |
-
1990
- 1990-09-20 JP JP9880790U patent/JPH0455837U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451828A (en) * | 1987-08-24 | 1989-02-28 | Toshiba Corp | Receiver |