发明申请
US20130218473A1 FREQUENCY SHIFT DETECTOR 审中-公开
频率移位检测器

FREQUENCY SHIFT DETECTOR
摘要:
A frequency shift detector includes a digital control unit, a digital/analog converter, a reagent concentration detecting circuit and a frequency difference generator, wherein the digital control unit includes a control circuit and a direct digital frequency synthesizer electrically connected with the control circuit, and the control circuit comprises a reset terminal and a pulse input terminal. The digital control unit proceeds with accurate concentration detection for various samples borne on the reagent concentration detecting circuit.
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