JPS6239330U - - Google Patents
Info
- Publication number
- JPS6239330U JPS6239330U JP13217285U JP13217285U JPS6239330U JP S6239330 U JPS6239330 U JP S6239330U JP 13217285 U JP13217285 U JP 13217285U JP 13217285 U JP13217285 U JP 13217285U JP S6239330 U JPS6239330 U JP S6239330U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- varactor diode
- voltage applied
- utility
- parallel
- 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 5
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の実施例の回路図、第２図は通
常のトラツキング特性図、第３図は本考案の動作
の説明図、第４図はスーパーヘテロダイン受信機
の一般的なブロツク図、第５図は従来の共振回路
、第６図は本考案の他の実施例の回路図、第７図
は上記実施例のトラツキング特性図である。
Ｄ１，Ｄ２……バラクタダイオード、Ｃ０……
付加コンデンサ、Ｄ０……ダイオード。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a normal tracking characteristic diagram, Fig. 3 is an explanatory diagram of the operation of the present invention, Fig. 4 is a general block diagram of a superheterodyne receiver, FIG. 5 is a conventional resonant circuit, FIG. 6 is a circuit diagram of another embodiment of the present invention, and FIG. 7 is a tracking characteristic diagram of the above embodiment. D 1 , D 2 ... Varactor diode, C 0 ...
Additional capacitor, D 0 ... diode.
Claims (1)
イオードを用いた高周波同調回路。 ｂ 可変コンデンサとして前記第１のバラクタ
ダイオードと同一特性の第２のバラクタダイオー
ドを用いた局部発振回路。 ｃ 前記第１のバラクタダイオードに並列接続
した付加コンデンサとダイオードとの直列回路。 ｄ 前記ダイオードの一端に加える制御電圧。 ｅ 前記ダイオードの他端に加える基準電圧。 以上の各項目を具備することを特徴とするスー
パーヘテロダイン受信機。 (2) 付加コンデンサとダイオードとの直列回路
を並列に複数設けたことを特徴とする実用新案登
録請求の範囲第１項に記載のスーパーヘテロダイ
ン受信機。[Claims for Utility Model Registration] 1 a. A high frequency tuning circuit using a first varactor diode as a variable capacitor. b. A local oscillation circuit using a second varactor diode having the same characteristics as the first varactor diode as a variable capacitor. c. A series circuit of a diode and an additional capacitor connected in parallel to the first varactor diode. d Control voltage applied to one end of the diode. e Reference voltage applied to the other end of the diode. A superheterodyne receiver comprising each of the above items. (2) The superheterodyne receiver according to claim 1 of the utility model registration, characterized in that a plurality of series circuits of additional capacitors and diodes are provided in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13217285U JPS6239330U (en) | 1985-08-28 | 1985-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13217285U JPS6239330U (en) | 1985-08-28 | 1985-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6239330U true JPS6239330U (en) | 1987-03-09 |
Family
ID=31031308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13217285U Pending JPS6239330U (en) | 1985-08-28 | 1985-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239330U (en) |
-
1985
- 1985-08-28 JP JP13217285U patent/JPS6239330U/ja active Pending
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