Invention Grant
US5028101A Surface-acoustic-wave device and notch filter device having a plurality
of diode array channels
失效
具有多个二极管阵列通道的表面声波装置和陷波滤波器装置
- Patent Title: Surface-acoustic-wave device and notch filter device having a plurality of diode array channels
- Patent Title (中): 具有多个二极管阵列通道的表面声波装置和陷波滤波器装置
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Application No.: US381121Application Date: 1989-07-14
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Publication No.: US5028101APublication Date: 1991-07-02
- Inventor: Kazuyoshi Sugai , Osamu Noguchi
- Applicant: Kazuyoshi Sugai , Osamu Noguchi
- Applicant Address: JPX Tokyo
- Assignee: Clarion Co., Ltd.
- Current Assignee: Clarion Co., Ltd.
- Current Assignee Address: JPX Tokyo
- Priority: JPX63-180822 19880719; JPX63-278769 19881104; JPX63-284884 19881111
- Main IPC: G06G7/195
- IPC: G06G7/195 ; H03H9/02 ; H03H9/64
Abstract:
A SAW device uses an input and output transducers having different electrode periods, and includes diode arrays provided in a semiconductor layer under a gate electrode between both transducers, so that the device has an excellent efficiency as a notch filter.
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