Techniques of performances improvement of LED light source for instruments
- VernacularTitle:提高LED型激发光源驱动电路性能的措施
- Author:
Zhenfang LIU
;
Yaping HU
;
Wenchao ZHANG
- Publication Type:Journal Article
- Keywords:
LED drive;
constant-current drive;
constant-power drive
- From:
Chinese Medical Equipment Journal
1989;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
This paper introduces the principle and characteristics of the LED constant-current and constant-power drive circuit for instrument's excitation light source.It also analyzes the steady-state and dynamic performances of the drive circuits.At last,it discusses the improving measures of the precision and stability for the drive circuit of LED excitation light source.
