JPS59119651U - VHF tuner device - Google Patents
VHF tuner deviceInfo
- Publication number
- JPS59119651U JPS59119651U JP1257083U JP1257083U JPS59119651U JP S59119651 U JPS59119651 U JP S59119651U JP 1257083 U JP1257083 U JP 1257083U JP 1257083 U JP1257083 U JP 1257083U JP S59119651 U JPS59119651 U JP S59119651U
- Authority
- JP
- Japan
- Prior art keywords
- vhf tuner
- tuner device
- vhf
- superheterodyne
- inductance
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例になるＶＨＦチューナの具体
的回路図、第２図は本考案の一実施例を説明する為のコ
イルＬ７． Ｌ８の受信周波数に対するインピーダンス
特性を夫々示す。
Ｌ□〜８・・・コイル、Ｄ、、 Ｂ２・・・可変容量ダ
イオード、Ｄ３〜６・・・スイッチングダイオード、Ｒ
３〜６・・・ダンピング抵抗、ＶＴ・・・同調電圧供給
端子、ＢＬ・・唄−バンド用切替電圧供給端子、Ｂ１−
１・・・ハイバンド用切替電圧供給端子、５・・・ミキ
サ回路。FIG. 1 is a specific circuit diagram of a VHF tuner which is an embodiment of the present invention, and FIG. 2 is a diagram of a coil L7. The impedance characteristics with respect to the receiving frequency of L8 are shown respectively. L□~8...Coil, D, B2...Variable capacitance diode, D3~6...Switching diode, R
3-6...damping resistor, VT...tuning voltage supply terminal, BL...song-band switching voltage supply terminal, B1-
1... High band switching voltage supply terminal, 5... Mixer circuit.
Claims (1)
複同調回路とミキサ回路とをインダクタンスによって結
合した事を特徴とするＶＨＦチューナ装置。In a superheterodyne VHF tuner,
A VHF tuner device characterized by combining a double-tuned circuit and a mixer circuit through an inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1257083U JPS59119651U (en) | 1983-01-31 | 1983-01-31 | VHF tuner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1257083U JPS59119651U (en) | 1983-01-31 | 1983-01-31 | VHF tuner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59119651U true JPS59119651U (en) | 1984-08-13 |
Family
ID=30143970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1257083U Pending JPS59119651U (en) | 1983-01-31 | 1983-01-31 | VHF tuner device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59119651U (en) |
-
1983
- 1983-01-31 JP JP1257083U patent/JPS59119651U/en active Pending
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