JPH03128328U - - Google Patents
Info
- Publication number
- JPH03128328U JPH03128328U JP3700590U JP3700590U JPH03128328U JP H03128328 U JPH03128328 U JP H03128328U JP 3700590 U JP3700590 U JP 3700590U JP 3700590 U JP3700590 U JP 3700590U JP H03128328 U JPH03128328 U JP H03128328U
- Authority
- JP
- Japan
- Prior art keywords
- trap
- output
- insulating substrate
- input
- line
- 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
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図ないし第４図は本考案の一実施例による
広帯域トラツプを説明するための図であり、第１
図はその斜視図、第２図ａは圧電共振子の表面を
示す平面図、第２図ｂは圧電共振子の裏面を示す
平面図、第３図は広帯域トラツプの等価回路図、
第４図は周波数と減衰量との関係を示す特性図、
第５図はトラツプ素子の特性図、第６図はトラツ
プ素子とローパスフイルタとの等価回路図、第７
図はその特性図である。
図において、１……広帯域トラツプ、２……絶
縁基板、４ａ，４ｂ……圧電共振子の入、出力電
極、７……アース電極、１０ａ，１０ｂ……入、
出力ライン、１１……アースライン、ｆ１，ｆ２
，ｆｎ……圧電共振子（トラツプ素子）である。
1 to 4 are diagrams for explaining a broadband trap according to an embodiment of the present invention.
The figure is a perspective view, FIG. 2a is a plan view showing the front surface of the piezoelectric resonator, FIG. 2b is a plan view showing the back surface of the piezoelectric resonator, and FIG. 3 is an equivalent circuit diagram of the broadband trap.
Figure 4 is a characteristic diagram showing the relationship between frequency and attenuation.
Fig. 5 is a characteristic diagram of the trap element, Fig. 6 is an equivalent circuit diagram of the trap element and low-pass filter, and Fig. 7 is a characteristic diagram of the trap element.
The figure shows its characteristic diagram. In the figure, 1... broadband trap, 2... insulating substrate, 4a, 4b... piezoelectric resonator input, output electrode, 7... earth electrode, 10a, 10b... input,
Output line, 11...Earth line, f 1 , f 2
, fn... piezoelectric resonators (trap elements).
Claims (1)
ラインを略平行状に形成し、該絶縁基板に周波数
の異なる複数のトラツプ素子を配置し、該トラツ
プ素子の入、出力電極及びアース電極をそれぞれ
上記入、出力ライン及びアースラインに接続した
ことを特徴とする広帯域トラツプ。 An output line and a ground line are formed on one main surface of an insulating substrate in a substantially parallel manner, and a plurality of trap elements with different frequencies are arranged on the insulating substrate, and the input, output and ground electrodes of the trap elements are connected to each other. A broadband trap characterized by being connected to the above input and output lines and the ground line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3700590U JPH03128328U (en) | 1990-04-05 | 1990-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3700590U JPH03128328U (en) | 1990-04-05 | 1990-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128328U true JPH03128328U (en) | 1991-12-24 |
Family
ID=31543732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3700590U Pending JPH03128328U (en) | 1990-04-05 | 1990-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012142740A (en) * | 2010-12-28 | 2012-07-26 | Daishinku Corp | Band rejection filter |
-
1990
- 1990-04-05 JP JP3700590U patent/JPH03128328U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012142740A (en) * | 2010-12-28 | 2012-07-26 | Daishinku Corp | Band rejection filter |
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