JPS60129755U - FM receiver - Google Patents
FM receiverInfo
- Publication number
- JPS60129755U JPS60129755U JP1491084U JP1491084U JPS60129755U JP S60129755 U JPS60129755 U JP S60129755U JP 1491084 U JP1491084 U JP 1491084U JP 1491084 U JP1491084 U JP 1491084U JP S60129755 U JPS60129755 U JP S60129755U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- local oscillator
- receiver
- modulated wave
- output
- 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.)
- Granted
Links
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の構成を示すブロン ′ り
図。第２図は本考案の他の実施例の構成を示すブロック
図。
２および４・・・バンドパスフィルタ、５・・・非線型
回路、６・・・中間周波段、７・・・ＦＭ復調器、８・
・・局部発振器、１０・・・混合回路、１１・・・判定
回路、１２・・・電圧制御発振器、１３・・・切替回路
。FIG. 1 is a brochure diagram showing the configuration of an embodiment of the present invention. FIG. 2 is a block diagram showing the configuration of another embodiment of the present invention. 2 and 4...Band pass filter, 5...Nonlinear circuit, 6...Intermediate frequency stage, 7...FM demodulator, 8...
... Local oscillator, 10... Mixing circuit, 11... Judgment circuit, 12... Voltage controlled oscillator, 13... Switching circuit.
Claims (1)
＞ｆｌ）の第２の被変調波との受信をするＦＭ受信機に
おいて、中間周波数を（ｆ２−ｆ□）とし、発振周波数
が（（ｆ２ ｒｉ）＋ｆ、＞である局部発振器と、受
信被変調波と前記局部発振器の出力波とを入力としかつ
入出力特性が非線型を呈し前記受信周波数の搬送周波数
と局部発振器の発振周波数とのビート周波数を２逓倍し
た出力を少なくとも中間周波段へ供給する非線型回路と
を備えてなることを特徴とするＦＭ受信機。The first modulated wave of carrier frequency f□ and carrier frequency chi (f2
In an FM receiver that receives a second modulated wave of >fl), the intermediate frequency is (f2-f□), the local oscillator whose oscillation frequency is ((f2ri)+f, The modulated wave and the output wave of the local oscillator are input, the input/output characteristic exhibits nonlinearity, and an output obtained by doubling the beat frequency of the carrier frequency of the reception frequency and the oscillation frequency of the local oscillator is supplied to at least the intermediate frequency stage. An FM receiver comprising a nonlinear circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1491084U JPS60129755U (en) | 1984-02-07 | 1984-02-07 | FM receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1491084U JPS60129755U (en) | 1984-02-07 | 1984-02-07 | FM receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60129755U true JPS60129755U (en) | 1985-08-30 |
| JPH0127301Y2 JPH0127301Y2 (en) | 1989-08-15 |
Family
ID=30500262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1491084U Granted JPS60129755U (en) | 1984-02-07 | 1984-02-07 | FM receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129755U (en) |
-
1984
- 1984-02-07 JP JP1491084U patent/JPS60129755U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0127301Y2 (en) | 1989-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60129755U (en) | FM receiver | |
| JPS5914433U (en) | AM-FM receiver | |
| JPS60189144U (en) | Receiving antenna device | |
| JPS60145735U (en) | composite crystal oscillator | |
| JPS58135147U (en) | FM transceiver | |
| JPS5896335U (en) | electronic tuning tuner | |
| JPS59195844U (en) | CATV converter | |
| JPS6090912U (en) | amplitude modulation circuit | |
| JPS6064646U (en) | Muting signal generation circuit | |
| JPS59154965U (en) | RF modulator | |
| JPS6019214U (en) | FM modulation oscillation circuit | |
| JPS59149774U (en) | RF modulator | |
| JPS59164320U (en) | FM modulation circuit | |
| JPS593644U (en) | Oscillation circuit in receiver | |
| JPS6022039U (en) | FM transmitter | |
| JPS58155116U (en) | Variable frequency oscillator drift removal circuit | |
| JPS604047U (en) | Receiving machine | |
| JPS6022054U (en) | transceiver | |
| JPS5882077U (en) | frequency control device | |
| JPS6014541U (en) | up converter | |
| JPS6126381U (en) | frequency converter | |
| JPS61371U (en) | UHF band RF modulator | |
| JPS5883841U (en) | FM transmit frequency synthesis circuit | |
| JPS5868736U (en) | electronic tuning receiver | |
| JPS5920744U (en) | Receiver input circuit |