BC-type gallium nitride MOS transistor push-pull emission driver for visible light communication
A BC type gallium nitride transistor push-pull emission driver used for visible light communication is used for an emission part of a visible light communication system, and comprises: a signal processing circuit used for converting a received input signal into two paths of differential signals, amp...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A BC type gallium nitride transistor push-pull emission driver used for visible light communication is used for an emission part of a visible light communication system, and comprises: a signal processing circuit used for converting a received input signal into two paths of differential signals, amplifying the differential signals and outputting the amplified differential signals; an LED optical transmitter push-pull drive circuit which is connected with the output end of the signal processing circuit. Two paths of differential signals of a signal processing circuit are received through two push-pull circuits with voltage difference at the voltage input ends, a light-emitting diode LED located at the source end is driven and modulated, signal driving is achieved through bright and dark conversion, and focusing output is achieved through a lens. According to the B-C type power amplification push-pull structure, the switching speed and efficiency of a transmitter are improved, a drivingtube of the transmitter i |
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