Design of heart sound processing analog circuit based on the electret capacitor microphone / 医疗卫生装备
Chinese Medical Equipment Journal
; (6)1989.
Article
in Zh
| WPRIM
| ID: wpr-588362
Responsible library:
WPRO
ABSTRACT
This paper designs a heart sound processing analog circuit, in which the amplification circuit, the filter circuit and the lifting of electrical level circuit are involved. It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals. It is proved that the circuit is reliable and effective.
Full text:
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Index:
WPRIM
Language:
Zh
Journal:
Chinese Medical Equipment Journal
Year:
1989
Type:
Article