JPS6364119U - - Google Patents
Info
- Publication number
- JPS6364119U JPS6364119U JP1986157097U JP15709786U JPS6364119U JP S6364119 U JPS6364119 U JP S6364119U JP 1986157097 U JP1986157097 U JP 1986157097U JP 15709786 U JP15709786 U JP 15709786U JP S6364119 U JPS6364119 U JP S6364119U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- frequency
- tuning circuit
- afc
- applies
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance only
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Noise Elimination (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は同一出願人において先に出願した回路図であ
る。 ＯＳＣ……局部発振器、１０……同調回路、Ｖ
ＴＵＮ……供給端子、Ｄ……可変容量ダイオード
、ＶＡＦＣ……ＡＦＣ端子、Ｃ１０……コンデン
サ。
図は同一出願人において先に出願した回路図であ
る。 ＯＳＣ……局部発振器、１０……同調回路、Ｖ
ＴＵＮ……供給端子、Ｄ……可変容量ダイオード
、ＶＡＦＣ……ＡＦＣ端子、Ｃ１０……コンデン
サ。
Claims (1)
- 受信周波数に関連して中間周波数を生成する局
部発振器の発振周波数を決定する同調回路と、こ
の同調回路の同調周波数を決定する可変容量素子
に同調電圧を印加する供給端子と、この供給端子
への印加電圧により前記同調回路の同調周波数を
変える可変同調手段と、前記生成された中間周波
数を検波した出力の中心周波数のずれ分を補正す
るため前記可変容量素子に入力しＡＦＣをかける
ＡＦＣ端子とを備え、前記供給端子および前記Ａ
ＦＣ端子間にコンデンサを接続してなることを特
徴とする電子同調回路。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986157097U JPS6364119U (ja) | 1986-10-14 | 1986-10-14 | |
| KR2019870017514U KR900004427Y1 (ko) | 1986-10-14 | 1987-10-14 | 전자 동조회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986157097U JPS6364119U (ja) | 1986-10-14 | 1986-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6364119U true JPS6364119U (ja) | 1988-04-27 |
Family
ID=31079331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986157097U Pending JPS6364119U (ja) | 1986-10-14 | 1986-10-14 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6364119U (ja) |
| KR (1) | KR900004427Y1 (ja) |
-
1986
- 1986-10-14 JP JP1986157097U patent/JPS6364119U/ja active Pending
-
1987
- 1987-10-14 KR KR2019870017514U patent/KR900004427Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR880008856U (ko) | 1988-06-30 |
| KR900004427Y1 (ko) | 1990-05-19 |