JPH02103939U - - Google Patents
Info
- Publication number
- JPH02103939U JPH02103939U JP1989012915U JP1291589U JPH02103939U JP H02103939 U JPH02103939 U JP H02103939U JP 1989012915 U JP1989012915 U JP 1989012915U JP 1291589 U JP1291589 U JP 1291589U JP H02103939 U JPH02103939 U JP H02103939U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- mixing circuit
- output signal
- output
- bead core
- 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
- 239000011324 bead Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Superheterodyne Receivers (AREA)
Description
第1図はこの考案の一実施例の接続図、第2図
及び第3図はこの考案の一実施例におけるビーズ
コアの一例及び他の例の斜視図、第4図はこの考
案の他の実施例の接続図、第5図はこの考案の更
に他の実施例の接続図、第6図は従来のテレビジ
ヨンチユーナ回路の一例の接続図である。
図面における収容な符号の説明、1:入力端子
、2:高周波増幅回路、4:シングルバランス型
の混合回路、10:発振回路、12:ビーズコア
、13:バンドパスフイルタ。
Fig. 1 is a connection diagram of an embodiment of this invention, Figs. 2 and 3 are perspective views of an example of a bead core in one embodiment of this invention and another example, and Fig. 4 is another embodiment of this invention. FIG. 5 is a connection diagram of still another embodiment of this invention, and FIG. 6 is a connection diagram of an example of a conventional television tuner circuit. Explanation of symbols included in the drawings: 1: input terminal, 2: high frequency amplification circuit, 4: single balanced mixing circuit, 10: oscillation circuit, 12: bead core, 13: band pass filter.
Claims (1)
出力信号とをシングルバランス型の混合回路で混
合し、上記混合回路の出力をバンドパスフイルタ
を介して取出すようにしたテレビジヨンチユーナ
回路において、 上記混合回路と上記バイドパスフイルタとの間
にビーズコアを挿入するようにしたテレビジヨン
チユーナ回路。[Claim for Utility Model Registration] A television set in which the output signal of a high-frequency amplifier and the output signal of a local oscillation circuit are mixed in a single-balanced mixing circuit, and the output of the mixing circuit is taken out through a bandpass filter. A television tuner circuit in which a bead core is inserted between the mixing circuit and the bypass pass filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989012915U JPH02103939U (en) | 1989-02-06 | 1989-02-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989012915U JPH02103939U (en) | 1989-02-06 | 1989-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02103939U true JPH02103939U (en) | 1990-08-17 |
Family
ID=31222778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989012915U Pending JPH02103939U (en) | 1989-02-06 | 1989-02-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02103939U (en) |
-
1989
- 1989-02-06 JP JP1989012915U patent/JPH02103939U/ja active Pending
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