JPH0467816U - - Google Patents
Info
- Publication number
- JPH0467816U JPH0467816U JP11240790U JP11240790U JPH0467816U JP H0467816 U JPH0467816 U JP H0467816U JP 11240790 U JP11240790 U JP 11240790U JP 11240790 U JP11240790 U JP 11240790U JP H0467816 U JPH0467816 U JP H0467816U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- ground
- interdigital electrodes
- acoustic wave
- wave device
- 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.)
- Granted
Links
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図、第２図は本考案の実施例の平面図、第
３図は従来の弾性表面波装置の平面図、第４図は
従来および本考案の実施例の弾性表面波装置を比
較するためのフイルタ特性図である。
１……圧電基板、２……入力電極、３……全面
電極、４，５……出力電極、１０……入力端子、
１１，１２……出力端子。
Figures 1 and 2 are plan views of an embodiment of the present invention, Figure 3 is a plan view of a conventional surface acoustic wave device, and Figure 4 compares the conventional surface acoustic wave device and the embodiment of the present invention. FIG. 1...Piezoelectric substrate, 2...Input electrode, 3...Full surface electrode, 4, 5...Output electrode, 10...Input terminal,
11, 12... Output terminals.
Claims (1)
した１対の入力側交叉指状電極と、それぞれ前記
全面電極に隣接してこれに並行して配列した２対
の出力側交叉指状電極とを圧電基板上に形成した
分波器構性をもつ弾性表面波装置において、前記
入力側交叉指状電極の対の片方を接地接続し他方
を非接地端子に接続し、かつこれと同じ向きに前
記出力側交叉指状電極の各対の片方を接地接続し
他方を非接地端子に接続してあることを特徴とす
る弾性表面波装置。 A pair of input-side interdigital electrodes connected to one side of the entire surface electrode and arranged in parallel thereto, and two pairs of output-side interdigital electrodes adjacent to and arranged in parallel with the entire surface electrode, respectively. In a surface acoustic wave device having a splitter structure formed on a piezoelectric substrate, one of the pair of input-side interdigitated electrodes is connected to ground and the other is connected to a non-grounded terminal, and in the same direction. A surface acoustic wave device characterized in that one of each pair of output-side interdigital electrodes is connected to ground and the other is connected to a non-ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990112407U JP2588374Y2 (en) | 1990-10-25 | 1990-10-25 | Surface acoustic wave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990112407U JP2588374Y2 (en) | 1990-10-25 | 1990-10-25 | Surface acoustic wave device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0467816U true JPH0467816U (en) | 1992-06-16 |
| JP2588374Y2 JP2588374Y2 (en) | 1999-01-06 |
Family
ID=31859913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990112407U Expired - Lifetime JP2588374Y2 (en) | 1990-10-25 | 1990-10-25 | Surface acoustic wave device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2588374Y2 (en) |
-
1990
- 1990-10-25 JP JP1990112407U patent/JP2588374Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2588374Y2 (en) | 1999-01-06 |