JPS59127349U - FM electronic tuning tuner front end - Google Patents
FM electronic tuning tuner front endInfo
- Publication number
- JPS59127349U JPS59127349U JP2020283U JP2020283U JPS59127349U JP S59127349 U JPS59127349 U JP S59127349U JP 2020283 U JP2020283 U JP 2020283U JP 2020283 U JP2020283 U JP 2020283U JP S59127349 U JPS59127349 U JP S59127349U
- Authority
- JP
- Japan
- Prior art keywords
- electronic tuning
- tuning tuner
- tuner front
- pass filter
- 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
Landscapes
- Noise Elimination (AREA)
- Superheterodyne Receivers (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図は本考案によるFM電子同調チューナのフロント
エンドの実施例を示すブロック図、第2図は第1図のロ
ーパスフィルタの具体的実施例を含む回路図、第3図は
第1図及び第2図のローパスフィルタの周波数特性を示
す図である。
1・・・・・・高周波増幅回路、2・・・・・・混合回
路、3・・・・・・局部発振回路1,4・・晶・トラッ
キング形ローパスフィルタ、vCl、VC2・・・バリ
キャップ、C1,C2・・・コンデンサ、Ll・・・コ
イル、R□、R2・・・抵抗。FIG. 1 is a block diagram showing an embodiment of the front end of an FM electronic tuning tuner according to the present invention, FIG. 2 is a circuit diagram including a specific embodiment of the low-pass filter of FIG. 1, and FIG. FIG. 3 is a diagram showing frequency characteristics of the low-pass filter of FIG. 2; 1...High frequency amplifier circuit, 2...Mixing circuit, 3...Local oscillation circuit 1, 4...Crystal/tracking type low pass filter, vCl, VC2...Vari Cap, C1, C2... Capacitor, Ll... Coil, R□, R2... Resistor.
Claims (1)
て特性が変化するトラッキング形ローパスフィルタを挿
入したことを特徴とするFM電子同調チューナのフロン
トエンド。A front end of an FM electronic tuning tuner characterized by inserting a tracking type low-pass filter whose characteristics change in accordance with the received frequency between a mixing circuit and a local oscillation circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020283U JPS59127349U (en) | 1983-02-14 | 1983-02-14 | FM electronic tuning tuner front end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020283U JPS59127349U (en) | 1983-02-14 | 1983-02-14 | FM electronic tuning tuner front end |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59127349U true JPS59127349U (en) | 1984-08-27 |
Family
ID=30151330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020283U Pending JPS59127349U (en) | 1983-02-14 | 1983-02-14 | FM electronic tuning tuner front end |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59127349U (en) |
-
1983
- 1983-02-14 JP JP2020283U patent/JPS59127349U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS59127349U (en) | FM electronic tuning tuner front end | |
JPS5967012U (en) | FM demodulator | |
JPS59104643U (en) | AM receiver | |
JPS6137617U (en) | FM receiver detection circuit | |
JPS5882052U (en) | Tuner output circuit | |
JPS60174340U (en) | frequency converter | |
JPS6074335U (en) | AFC circuit of radio receiver | |
JPS59171426U (en) | FM receiver | |
JPS60149229U (en) | FM demodulation circuit | |
JPS60169956U (en) | electronic tuning tuner | |
JPS59129241U (en) | VHF tuner coupling circuit | |
JPS60180152U (en) | UHF tuner local oscillation circuit | |
JPS58114627U (en) | Receiver tuning correction circuit | |
JPS58161339U (en) | Intermediate frequency circuit in FM tuner | |
JPS5922525U (en) | tuned circuit | |
JPS6019214U (en) | FM modulation oscillation circuit | |
JPS5840935U (en) | Tuning circuit | |
JPS6022049U (en) | Electronic tuning tuner coupling circuit | |
JPS6045508U (en) | local oscillator | |
JPS58176436U (en) | AM receiver | |
JPS5920744U (en) | Receiver input circuit | |
JPS6114527U (en) | notsuchi filter | |
JPS59119656U (en) | stereo demodulator | |
JPS58127740U (en) | FM receiver | |
JPS60181939U (en) | radio receiver |