JPH032701U - - Google Patents
Info
- Publication number
- JPH032701U JPH032701U JP6227889U JP6227889U JPH032701U JP H032701 U JPH032701 U JP H032701U JP 6227889 U JP6227889 U JP 6227889U JP 6227889 U JP6227889 U JP 6227889U JP H032701 U JPH032701 U JP H032701U
- Authority
- JP
- Japan
- Prior art keywords
- temperature coefficient
- helical
- helical coil
- molded body
- capacitance
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Non-Reversible Transmitting Devices (AREA)
Description
第１図は本考案のヘリカルフイルタの断面図、
第２図はその温度特性を示す図、第３図は第１図
のヘリカルフイルタの構成部分の温度特性を示す
図、第４図はヘリカルフイルタの部分側面図であ
る。
１：ヘリカルコイル、２：成形体、３：ボビン
、４：ベース、５：ケース。
Figure 1 is a cross-sectional view of the helical filter of the present invention.
FIG. 2 is a diagram showing the temperature characteristics thereof, FIG. 3 is a diagram showing the temperature characteristics of the constituent parts of the helical filter of FIG. 1, and FIG. 4 is a partial side view of the helical filter. 1: helical coil, 2: molded body, 3: bobbin, 4: base, 5: case.
Claims (1)
イルとケース間の分布容量を調節する誘電体の成
形体を配置してあるヘリカルフイルタにおいて、
成形体の静電容量の温度係数とヘリカルコイルの
インダクタンスの温度係数の符号を逆にして共振
周波数の温度係数を小さくしたことを特徴とする
ヘリカルフイルタ。 In a helical filter in which a dielectric molded body is arranged that moves over a helical coil and adjusts the distributed capacitance between the helical coil and the case,
A helical filter characterized in that the signs of the temperature coefficient of the capacitance of the molded body and the temperature coefficient of the inductance of the helical coil are reversed to reduce the temperature coefficient of the resonance frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6227889U JPH032701U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6227889U JPH032701U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032701U true JPH032701U (en) | 1991-01-11 |
Family
ID=31591277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6227889U Pending JPH032701U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032701U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970972A (en) * | 1975-05-12 | 1976-07-20 | Northern Electric Company Limited | Shock resistant, temperature compensated helical resonator |
-
1989
- 1989-05-29 JP JP6227889U patent/JPH032701U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970972A (en) * | 1975-05-12 | 1976-07-20 | Northern Electric Company Limited | Shock resistant, temperature compensated helical resonator |