Delay line type surface acoustic wave based sensing circuit system design method

Delay line type surface acoustic wave based sensing circuit system design method

The invention discloses a delay line type surface acoustic wave based sensing circuit system design method. The method comprises the following steps of: 1, manufacturing a delay line type surface acoustic wave device without a sensitive film; 2, manufacturing a delay line type SAW gas sensor compris...

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Hauptverfasser: SU XIAOMIN, ZHANG TAO, KE XIANTONG, CAO XIAOCHUANG, ZHU HAN, JIANG FENG, SHI XIAOYUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
RESONATORS
TESTING
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creator SU XIAOMIN
ZHANG TAO
KE XIANTONG
CAO XIAOCHUANG
ZHU HAN
JIANG FENG
SHI XIAOYUN
description The invention discloses a delay line type surface acoustic wave based sensing circuit system design method. The method comprises the following steps of: 1, manufacturing a delay line type surface acoustic wave device without a sensitive film; 2, manufacturing a delay line type SAW gas sensor comprising a sensitive film; 3, selecting proper parameters for forming a reference oscillation generationcircuit; 4, selecting proper parameters for forming an oscillation generation circuit; 5, selecting proper parameters for forming an oscillation signal mixing processing circuit; 6, selecting proper parameters for forming a low-frequency signal conditioning circuit; and 7, connecting the reference oscillation generation circuit, the oscillation generation circuit, the oscillation signal mixing processing circuit and the low-frequency signal conditioning circuit. The method is reasonable in design, the designed delay line type surface acoustic wave based sensing circuit system is low in power consumption and can genera
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The method comprises the following steps of: 1, manufacturing a delay line type surface acoustic wave device without a sensitive film; 2, manufacturing a delay line type SAW gas sensor comprising a sensitive film; 3, selecting proper parameters for forming a reference oscillation generationcircuit; 4, selecting proper parameters for forming an oscillation generation circuit; 5, selecting proper parameters for forming an oscillation signal mixing processing circuit; 6, selecting proper parameters for forming a low-frequency signal conditioning circuit; and 7, connecting the reference oscillation generation circuit, the oscillation generation circuit, the oscillation signal mixing processing circuit and the low-frequency signal conditioning circuit. 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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
RESONATORS
TESTING
title Delay line type surface acoustic wave based sensing circuit system design method
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