ANALOG DATA TRANSMITTER APPLIED IN LCD APPARATUS AND OPERATING METHOD THEREOF
An analog data transmitter applied in a LCD apparatus includes an output pad, a channel operational amplifier, an initial switch, an auxiliary switch module, and a detection unit. The detection unit selectively starts a first switch unit or a second switch unit of the auxiliary switch module accordi...
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| creator | LIN PONG |
| description | An analog data transmitter applied in a LCD apparatus includes an output pad, a channel operational amplifier, an initial switch, an auxiliary switch module, and a detection unit. The detection unit selectively starts a first switch unit or a second switch unit of the auxiliary switch module according to a pulse width modulation corresponding to a data conversion amplitude of an output data signal outputted from the output pad. During a period of the first switch unit or the second switch unit operating from a first time T0 a second time, transistors in an output stage of the channel operational amplifier operate in a linear region of smaller resistance instead of a saturation region of larger resistance, and the initial switch is turned-off during the period and not started until the second time. The length of the period corresponds to the pulse width modulation. |
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The detection unit selectively starts a first switch unit or a second switch unit of the auxiliary switch module according to a pulse width modulation corresponding to a data conversion amplitude of an output data signal outputted from the output pad. During a period of the first switch unit or the second switch unit operating from a first time T0 a second time, transistors in an output stage of the channel operational amplifier operate in a linear region of smaller resistance instead of a saturation region of larger resistance, and the initial switch is turned-off during the period and not started until the second time. 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The detection unit selectively starts a first switch unit or a second switch unit of the auxiliary switch module according to a pulse width modulation corresponding to a data conversion amplitude of an output data signal outputted from the output pad. During a period of the first switch unit or the second switch unit operating from a first time T0 a second time, transistors in an output stage of the channel operational amplifier operate in a linear region of smaller resistance instead of a saturation region of larger resistance, and the initial switch is turned-off during the period and not started until the second time. 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The detection unit selectively starts a first switch unit or a second switch unit of the auxiliary switch module according to a pulse width modulation corresponding to a data conversion amplitude of an output data signal outputted from the output pad. During a period of the first switch unit or the second switch unit operating from a first time T0 a second time, transistors in an output stage of the channel operational amplifier operate in a linear region of smaller resistance instead of a saturation region of larger resistance, and the initial switch is turned-off during the period and not started until the second time. The length of the period corresponds to the pulse width modulation.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | ANALOG DATA TRANSMITTER APPLIED IN LCD APPARATUS AND OPERATING METHOD THEREOF |
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