电压跟踪精度高的LCD偏置电源

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小型黑白LCD系统通常要求使用电压跟踪精度高的分离式(双)偏置电源,以防止发生LCD镀敷现象。图1所示电路提供±18V~±20V可调的LCD偏置电压,其跟踪精度为1%。 Small black-and-white LCD systems typically require separate (dual) bias supplies with high voltage tracking accuracy to prevent LCD plating. The circuit shown in Figure 1 provides ± 18V ~ ± 20V adjustable LCD bias voltage with 1% tracking accuracy.
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