JPH0177046U - - Google Patents
Info
- Publication number
- JPH0177046U JPH0177046U JP1987173133U JP17313387U JPH0177046U JP H0177046 U JPH0177046 U JP H0177046U JP 1987173133 U JP1987173133 U JP 1987173133U JP 17313387 U JP17313387 U JP 17313387U JP H0177046 U JPH0177046 U JP H0177046U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- minute
- inductances
- variable capacitance
- capacitance diode
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図及び第２図はそれぞれ本考案を実施した
電子同調チユーナの要部回路図、第３図は従来の
電子同調チユーナの要部回路図、第４図及び第５
図はそれぞれ本考案の効果を説明するための図で
ある。
Ｄ１……可変容量ダイオード、Ｌ１，Ｌ２……
第１、第２の微小インダクタンスコイル、Ｄ２…
…スイツチングダイオード。
1 and 2 are circuit diagrams of the main parts of an electronically tuned tuner embodying the present invention, FIG. 3 is a circuit diagram of the main parts of a conventional electronically tuned tuner, and FIGS. 4 and 5 respectively.
Each figure is a diagram for explaining the effects of the present invention. D 1 ... Variable capacitance diode, L 1 , L 2 ...
First and second minute inductance coils, D2 ...
...switching diode.
Claims (1)
チユーナにおいて、入力同調回路と段間同調回路
の少なくとも一方の同調回路の可変容量ダイオー
ドと接地点間に第１、第２の微小インダクタンス
を直列に接続し、前記第１、第２の微小インダク
タンスの接続中点にスイツチング手段を接続して
なる電子同調チユーナ。 In an electronic tuning tuner using a variable capacitance diode as a tuning element, first and second minute inductances are connected in series between the variable capacitance diode of at least one of the input tuning circuit and the interstage tuning circuit and a ground point, An electronic tuning tuner comprising switching means connected to a midpoint between the first and second minute inductances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17313387U JPH066633Y2 (en) | 1987-11-12 | 1987-11-12 | Electronic tuning tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17313387U JPH066633Y2 (en) | 1987-11-12 | 1987-11-12 | Electronic tuning tuner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0177046U true JPH0177046U (en) | 1989-05-24 |
| JPH066633Y2 JPH066633Y2 (en) | 1994-02-16 |
Family
ID=31465069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17313387U Expired - Lifetime JPH066633Y2 (en) | 1987-11-12 | 1987-11-12 | Electronic tuning tuner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066633Y2 (en) |
-
1987
- 1987-11-12 JP JP17313387U patent/JPH066633Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH066633Y2 (en) | 1994-02-16 |