JPS6137621U - Receiver AGC circuit - Google Patents
Receiver AGC circuitInfo
- Publication number
- JPS6137621U JPS6137621U JP12249684U JP12249684U JPS6137621U JP S6137621 U JPS6137621 U JP S6137621U JP 12249684 U JP12249684 U JP 12249684U JP 12249684 U JP12249684 U JP 12249684U JP S6137621 U JPS6137621 U JP S6137621U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- detector
- distributor
- high frequency
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の一実施−例を示す受信機のＡＧＣ回
路、第２図は、第１図の要部回路図、第３図は、従来の
ＡＧＣ回路、第４図は、特性図である。
２・・・アンテナ同調回路、３・・・高周波増幅回路、
４・・・分配器、５・・・同調回路、６・・・混合回路
、８・・・第１の検波器、９・・・第２の検波器、１０
・・・合成器、１２・・・帯域阻止フィルタ。Fig. 1 is an AGC circuit of a receiver showing an example of an implementation of the present invention, Fig. 2 is a circuit diagram of the main part of Fig. 1, Fig. 3 is a conventional AGC circuit, and Fig. 4 is a characteristic It is a diagram. 2... Antenna tuning circuit, 3... High frequency amplification circuit,
4... Distributor, 5... Tuning circuit, 6... Mixing circuit, 8... First detector, 9... Second detector, 10
...Synthesizer, 12...Band rejection filter.
Claims (1)
同調回路からの出力を増幅する高周波増幅回路と、該高
周波増幅回路からの出力を分配する分配器と、該分配器
からの出力が入力される同調回路と、該同調回路からの
出力が入力される混合回路と、前記分配器からの出力を
検波する第１の検波器と、前記混合回路からの出力を検
波する竃２の検波器、前記第１および第２の検波器から
のそれぞれの出力を合成する合成器と、該合成器からの
出力によって前記アンテナ同調回路または高周波増幅回
路を制御する制御回路とから成る受信器のＡＧＣ回路に
おいて、前記分配器と第１の検波器との間に帯域阻止フ
ィルタが配置されていることを特徴とする受信機のＡＧ
Ｃ回路。An antenna tuning circuit into which a received signal is input, a high frequency amplification circuit which amplifies the output from the antenna tuning circuit, a distributor which distributes the output from the high frequency amplification circuit, and an output from the divider is input. a tuning circuit; a mixing circuit into which the output from the tuning circuit is input; a first detector for detecting the output from the distributor; a second detector for detecting the output from the mixing circuit; An AGC circuit of a receiver comprising a combiner that combines the respective outputs from the first and second detectors, and a control circuit that controls the antenna tuning circuit or the high frequency amplification circuit using the output from the combiner, AG of the receiver, characterized in that a band rejection filter is arranged between the distributor and the first detector.
C circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12249684U JPS6137621U (en) | 1984-08-10 | 1984-08-10 | Receiver AGC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12249684U JPS6137621U (en) | 1984-08-10 | 1984-08-10 | Receiver AGC circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6137621U true JPS6137621U (en) | 1986-03-08 |
Family
ID=30681250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12249684U Pending JPS6137621U (en) | 1984-08-10 | 1984-08-10 | Receiver AGC circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6137621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461505A (en) * | 1990-06-29 | 1992-02-27 | Sanyo Electric Co Ltd | Agc circuit |
-
1984
- 1984-08-10 JP JP12249684U patent/JPS6137621U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461505A (en) * | 1990-06-29 | 1992-02-27 | Sanyo Electric Co Ltd | Agc circuit |
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