JPS5890705U - high frequency filter - Google Patents
high frequency filterInfo
- Publication number
- JPS5890705U JPS5890705U JP18661081U JP18661081U JPS5890705U JP S5890705 U JPS5890705 U JP S5890705U JP 18661081 U JP18661081 U JP 18661081U JP 18661081 U JP18661081 U JP 18661081U JP S5890705 U JPS5890705 U JP S5890705U
- Authority
- JP
- Japan
- Prior art keywords
- frequency filter
- high frequency
- coupling
- coupling window
- tuned circuits
- 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図は従来の高周波フィルタを示す構造図、第２図は
本考案の一実施例による高周波フィルタを示す構造図で
ある。
１．３・・・・・・可変コンデンサ、２，４・・・・・
・インダクタンス、５・・・・・・第１の同調回路、６
・・・・・・第２の同調回路、７・・・・・・シールド
ケース、８・・・・・・結合窓、９・・・Ｑ・・ネジ体
。FIG. 1 is a structural diagram showing a conventional high frequency filter, and FIG. 2 is a structural diagram showing a high frequency filter according to an embodiment of the present invention. 1.3...Variable capacitor, 2,4...
・Inductance, 5...First tuning circuit, 6
...Second tuning circuit, 7...Shield case, 8...Coupling window, 9...Q...Screw body.
Claims (1)
回路をシールドケース内に形成し、これら同調回路を結
合窓を通して結合してなる高周波−フィルタにおいて、
前記結合窓に、前記同調回路間の結合量を可変する調整
手段を設けたことを特徴とする高周波フィルタ。In a high-frequency filter, a plurality of tuned circuits composed of capacitors and inductances are formed inside a shield case, and these tuned circuits are coupled through a coupling window.
A high frequency filter characterized in that the coupling window is provided with an adjusting means for varying the amount of coupling between the tuning circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18661081U JPS5890705U (en) | 1981-12-14 | 1981-12-14 | high frequency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18661081U JPS5890705U (en) | 1981-12-14 | 1981-12-14 | high frequency filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5890705U true JPS5890705U (en) | 1983-06-20 |
Family
ID=29988700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18661081U Pending JPS5890705U (en) | 1981-12-14 | 1981-12-14 | high frequency filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890705U (en) |
-
1981
- 1981-12-14 JP JP18661081U patent/JPS5890705U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5890705U (en) | high frequency filter | |
| JPS615023U (en) | Variable frequency bandpass filter | |
| JPS59119635U (en) | UHF tuner double tuning circuit | |
| JPS5840915U (en) | High frequency frequency multiplier | |
| JPS5976104U (en) | filter device | |
| JPS6011504U (en) | Wideband variable filter circuit | |
| JPS58144930U (en) | Output circuit for PLL | |
| JPS5866722U (en) | Impedance conversion circuit for FM antenna | |
| JPS60114448U (en) | high frequency tuning circuit | |
| JPS5927645U (en) | UHF tuner | |
| JPS59152843U (en) | local oscillation circuit | |
| JPS5848132U (en) | Interstage double tuning circuit of UHF tuner | |
| JPS5922525U (en) | tuned circuit | |
| JPS60114429U (en) | high frequency tuning circuit | |
| JPS5882006U (en) | helical resonator | |
| JPS60139306U (en) | High frequency device using coaxial resonator | |
| JPS5950101U (en) | bandpass filter | |
| JPS5914431U (en) | tuner circuit | |
| JPS6050550U (en) | video transformer circuit | |
| JPS58189636U (en) | IF output circuit of UHF tuner | |
| JPS60193723U (en) | FM receiver | |
| JPS59183048U (en) | Receiver input circuit | |
| JPS6123712U (en) | High frequency oscillation circuit | |
| JPS60167428U (en) | Double tuned circuit | |
| JPS5868767U (en) | Bandpass filter for TV |