JPS62167422U - - Google Patents
Info
- Publication number
- JPS62167422U JPS62167422U JP5445186U JP5445186U JPS62167422U JP S62167422 U JPS62167422 U JP S62167422U JP 5445186 U JP5445186 U JP 5445186U JP 5445186 U JP5445186 U JP 5445186U JP S62167422 U JPS62167422 U JP S62167422U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- coupling
- resonant
- output side
- input side
- 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
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図および第２図はそれぞれ本発明に係るチ
ユーナの単同調回路図、第３図は、従来の同調回
路図。１…高周波増幅器、２…周波数混合器、３
…共振回路、Ｌ１…共振コイル、Ｌ２…結合コイ
ル、ＣＶ１，ＣＶ２…可変容量素子、ＣＳ１，Ｃ
Ｓ２…容量変化制御用素子。
1 and 2 are single tuning circuit diagrams of a tuner according to the present invention, and FIG. 3 is a conventional tuning circuit diagram. 1...High frequency amplifier, 2...Frequency mixer, 3
...resonant circuit, L1 ...resonant coil, L2 ...coupling coil, CV1 , CV2 ...variable capacitance element, CS1 ,C
S2 ...Capacitance change control element.
Claims (1)
可変容量素子とこの可変容量素子に直列の容量変
化制御用素子とを有する共振回路と、空心コイル
よりなる結合用コイルを含み、共振回路の入力側
は高周波増幅器に接続され、結合用コイルの出力
側は周波数混合器に接続され、共振回路の出力側
と結合コイルの入力側とは互いのコイルを空間配
置することにより誘導結合され、また共振コイル
の出力側と結合コイルの入力側を結合コンデンサ
を介して容量結合されていることを特徴とするチ
ユーナの単同調回路。 The input side of the resonant circuit includes a resonant coil made of an air-core coil, a variable capacitance element in parallel with the resonant coil, and a capacitance change control element in series with the variable-capacitance element, and a coupling coil made of the air-core coil. The output side of the coupling coil is connected to a frequency mixer, and the output side of the resonant circuit and the input side of the coupling coil are inductively coupled by spatially arranging the coils. A tuner single tuning circuit characterized in that the output side and the input side of the coupling coil are capacitively coupled via a coupling capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5445186U JPS62167422U (en) | 1986-04-11 | 1986-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5445186U JPS62167422U (en) | 1986-04-11 | 1986-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62167422U true JPS62167422U (en) | 1987-10-23 |
Family
ID=30881457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5445186U Pending JPS62167422U (en) | 1986-04-11 | 1986-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167422U (en) |
-
1986
- 1986-04-11 JP JP5445186U patent/JPS62167422U/ja active Pending