JPS62133429U - - Google Patents
Info
- Publication number
- JPS62133429U JPS62133429U JP2113486U JP2113486U JPS62133429U JP S62133429 U JPS62133429 U JP S62133429U JP 2113486 U JP2113486 U JP 2113486U JP 2113486 U JP2113486 U JP 2113486U JP S62133429 U JPS62133429 U JP S62133429U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- variable capacitance
- capacitance diode
- coupled
- capacitive element
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図は、本考案に係る電子同調チユーナを内
蔵したラジオ受信機のブロツク図であり、第２図
は、一般的な容量結合された同調回路の等価回路
図である。
１：アンテナ、２，４：電子同調チユーナ、３
：高周波増幅器、５：混合回路、６：局部発振回
路、７：中間周波フイルタ、８：チユーニング電
圧を供給する可変電圧源、Ｄ１乃至Ｄ５：可変容
量ダイオード。
FIG. 1 is a block diagram of a radio receiver incorporating an electronic tuning tuner according to the present invention, and FIG. 2 is an equivalent circuit diagram of a general capacitively coupled tuning circuit. 1: Antenna, 2, 4: Electronic tuning tuner, 3
: high frequency amplifier, 5: mixing circuit, 6: local oscillation circuit, 7: intermediate frequency filter, 8: variable voltage source supplying tuning voltage, D1 to D5: variable capacitance diodes.
Claims (1)
子同調チユーナに於いて、該第１と該第２の同調
回路が容量素子と可変容量ダイオードとによつて
結合され、該容量素子と該可変容量ダイオードと
の接続点にチユーニング電圧が印加されることを
特徴とする電子同調チユーナ。 In an electronic tuning tuner in which first and second tuning circuits are capacitively coupled, the first and second tuning circuits are coupled by a capacitive element and a variable capacitance diode, and the capacitive element and the variable capacitance diode are coupled to each other. An electronic tuning tuner characterized in that a tuning voltage is applied to a connection point with a variable capacitance diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2113486U JPS62133429U (en) | 1986-02-18 | 1986-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2113486U JPS62133429U (en) | 1986-02-18 | 1986-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62133429U true JPS62133429U (en) | 1987-08-22 |
Family
ID=30817297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2113486U Pending JPS62133429U (en) | 1986-02-18 | 1986-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62133429U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49116937A (en) * | 1973-03-10 | 1974-11-08 | ||
| JPS58186231A (en) * | 1982-04-24 | 1983-10-31 | Japan Radio Co Ltd | Receiver |
-
1986
- 1986-02-18 JP JP2113486U patent/JPS62133429U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49116937A (en) * | 1973-03-10 | 1974-11-08 | ||
| JPS58186231A (en) * | 1982-04-24 | 1983-10-31 | Japan Radio Co Ltd | Receiver |