JPS6372944U - - Google Patents
Info
- Publication number
- JPS6372944U JPS6372944U JP16576386U JP16576386U JPS6372944U JP S6372944 U JPS6372944 U JP S6372944U JP 16576386 U JP16576386 U JP 16576386U JP 16576386 U JP16576386 U JP 16576386U JP S6372944 U JPS6372944 U JP S6372944U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- receiver
- band filter
- frequency band
- switch
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例の回路構成図、第２
図は本考案の他の実施例の回路構成図、第３図は
従来の一例の回路構成図、第４図は従来の他の例
の回路構成図である。
１，１１…受信周波数変換回路部、２，１３…
中間周波帯域濾波器、３，１４…中間周波狭帯域
濾波器、４…切替器、５，１６…ＡＧＣ機能を有
する中間周波増幅器、６，１７…復調器、７…受
信入力電界を検出し判別して切替器４を制御する
信号を送出する制御器、ａ…切替器４を制御する
制御信号、８…受信機雑音電力検出器、９…雑音
電力を判別して切替器４を制御する信号を送出す
る制御器、１２…電力分配器、１５…高速切替器
、１６…高速切替器の制御器、１８…高速切替機
の制御器、１９…雑音検出器。
Figure 1 is a circuit configuration diagram of one embodiment of the present invention, Figure 2 is a circuit diagram of an embodiment of the present invention.
FIG. 3 is a circuit diagram of another embodiment of the present invention, FIG. 3 is a circuit diagram of a conventional example, and FIG. 4 is a circuit diagram of another conventional example. 1, 11...reception frequency conversion circuit section, 2, 13...
Intermediate frequency band filter, 3, 14...Intermediate frequency narrow band filter, 4...Switcher, 5, 16...Intermediate frequency amplifier with AGC function, 6, 17...Demodulator, 7...Detect and discriminate received input electric field controller that sends out a signal to control the switch 4, a... control signal that controls the switch 4, 8... receiver noise power detector, 9... signal that determines noise power and controls the switch 4; 12...Power divider, 15...High speed switch, 16...High speed switch controller, 18...High speed switch controller, 19...Noise detector.
Claims (1)
ＡＧＣ機能を有する中間周波増幅器、復調器を備
える受信機において、前記中間周波帯域濾波器に
直列に接続される狭帯域通過特性をもつ中間周波
帯域濾波器と、この中間周波狭帯域濾波器に並列
に接続した切替器と、この切替器を受信入力電界
または受信機雑音電力によつて導通又は開放させ
るよう制御する制御器とを備えたことを特徴とす
る受信機。 Reception frequency conversion circuit section, intermediate frequency bandpass filter,
In a receiver equipped with an intermediate frequency amplifier and a demodulator having an AGC function, an intermediate frequency band filter having narrow band pass characteristics connected in series to the intermediate frequency band filter, and an intermediate frequency band filter having a narrow band pass characteristic connected in series to the intermediate frequency band filter; 1. A receiver comprising: a switch connected to a receiver; and a controller that controls the switch to conduct or open depending on a reception input electric field or receiver noise power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16576386U JPS6372944U (en) | 1986-10-30 | 1986-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16576386U JPS6372944U (en) | 1986-10-30 | 1986-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372944U true JPS6372944U (en) | 1988-05-16 |
Family
ID=31096099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16576386U Pending JPS6372944U (en) | 1986-10-30 | 1986-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372944U (en) |
-
1986
- 1986-10-30 JP JP16576386U patent/JPS6372944U/ja active Pending