JPS6234834U - - Google Patents
Info
- Publication number
- JPS6234834U JPS6234834U JP12616385U JP12616385U JPS6234834U JP S6234834 U JPS6234834 U JP S6234834U JP 12616385 U JP12616385 U JP 12616385U JP 12616385 U JP12616385 U JP 12616385U JP S6234834 U JPS6234834 U JP S6234834U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- tuned circuit
- primary
- tuner
- minute
- 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
- 230000003321 amplification Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Description
第１図は本考案を実施したチユーナの要部回路
図、第２図はその説明図である。第３図及び第４
図はそれぞれ従来のチユーナの要部回路図である
。
４……複同調回路、４ａ……一次側同調回路、
４ｂ……二次側同調回路、ＴＲ１……周波数変換
用トランジスタ、ＴＲ２……中間周波増幅用トラ
ンジスタ、Ｃｘ……微小容量。
FIG. 1 is a circuit diagram of a main part of a tuner embodying the present invention, and FIG. 2 is an explanatory diagram thereof. Figures 3 and 4
Each figure is a circuit diagram of a main part of a conventional tuner. 4...Double tuned circuit, 4a...Primary side tuned circuit,
4b...Secondary side tuning circuit, TR1 ...Transistor for frequency conversion, TR2 ...Transistor for intermediate frequency amplification, Cx...Minimum capacitance.
Claims (1)
用トランジスタを、一次側同調回路に対し二次側
同調回路に逆相出力が得られるような複同調回路
で結合せしめるとともに前記一次側同調回路に得
られる信号を同相で二次側同調回路に伝送する微
小容量を設けたことを特徴とするチユーナ。 (2) 前記微小容量はプリント基板の導電体パタ
ーンで形成されていることを特徴とする実用新案
登録請求の範囲第１項記載のチユーナ。[Scope of Claim for Utility Model Registration] (1) A frequency conversion transistor and an intermediate frequency amplification transistor are coupled by a double-tuned circuit that provides an opposite-phase output to the secondary-side tuned circuit with respect to the primary-side tuned circuit, and A tuner characterized in that a minute capacitor is provided for transmitting the signal obtained in the primary side tuning circuit to the secondary side tuning circuit in the same phase. (2) The tuner according to claim 1, wherein the minute capacitance is formed by a conductive pattern on a printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985126163U JPH0424662Y2 (en) | 1985-08-19 | 1985-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985126163U JPH0424662Y2 (en) | 1985-08-19 | 1985-08-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6234834U true JPS6234834U (en) | 1987-02-28 |
| JPH0424662Y2 JPH0424662Y2 (en) | 1992-06-11 |
Family
ID=31019706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985126163U Expired JPH0424662Y2 (en) | 1985-08-19 | 1985-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424662Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625834A (en) * | 1979-08-09 | 1981-03-12 | Sony Corp | Fm receiver |
-
1985
- 1985-08-19 JP JP1985126163U patent/JPH0424662Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625834A (en) * | 1979-08-09 | 1981-03-12 | Sony Corp | Fm receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424662Y2 (en) | 1992-06-11 |