LIQUID CRYSTAL PHASE SHIFTER, PHASE SHIFT CIRCUIT, AND ANTENNA
A liquid crystal phase shifter. A thermoelectric conversion unit (4304) converts the temperature of a liquid crystal layer (3) between a first electrode (41) and a second electrode (42) of a phase shift unit (4) into a capacitance value and stores same in the thermoelectric conversion unit (4304), s...
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| creator | ZHANG, Feng LI, Yuqiao MENG, Detian CUI, Zhao LV, Zhijun LIU, Wenqu LI, Guoteng DONG, Liwen QU, Feng ZHAO, Zhonglan HOU, Dongfei SONG, Mengya |
| description | A liquid crystal phase shifter. A thermoelectric conversion unit (4304) converts the temperature of a liquid crystal layer (3) between a first electrode (41) and a second electrode (42) of a phase shift unit (4) into a capacitance value and stores same in the thermoelectric conversion unit (4304), such that turning on a first transistor can convert the capacitance value into a first electrical signal. Also provided is a phase shift circuit. A signal processing module (4302) is provided to process the first electrical signal and output a drive electrical signal to the first electrode (41), so as to form a capacitance between the first electrode (41) and the second electrode (42), thus controlling the phase shift amount of an electromagnetic wave signal. A load voltage applied to the first electrode (41) is adjusted according to the temperature change, so that the phase change of the electromagnetic wave signal is accurately controlled, thus eliminating the effect of the temperature change on the adjustment pre |
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A thermoelectric conversion unit (4304) converts the temperature of a liquid crystal layer (3) between a first electrode (41) and a second electrode (42) of a phase shift unit (4) into a capacitance value and stores same in the thermoelectric conversion unit (4304), such that turning on a first transistor can convert the capacitance value into a first electrical signal. Also provided is a phase shift circuit. A signal processing module (4302) is provided to process the first electrical signal and output a drive electrical signal to the first electrode (41), so as to form a capacitance between the first electrode (41) and the second electrode (42), thus controlling the phase shift amount of an electromagnetic wave signal. 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A thermoelectric conversion unit (4304) converts the temperature of a liquid crystal layer (3) between a first electrode (41) and a second electrode (42) of a phase shift unit (4) into a capacitance value and stores same in the thermoelectric conversion unit (4304), such that turning on a first transistor can convert the capacitance value into a first electrical signal. Also provided is a phase shift circuit. A signal processing module (4302) is provided to process the first electrical signal and output a drive electrical signal to the first electrode (41), so as to form a capacitance between the first electrode (41) and the second electrode (42), thus controlling the phase shift amount of an electromagnetic wave signal. 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A thermoelectric conversion unit (4304) converts the temperature of a liquid crystal layer (3) between a first electrode (41) and a second electrode (42) of a phase shift unit (4) into a capacitance value and stores same in the thermoelectric conversion unit (4304), such that turning on a first transistor can convert the capacitance value into a first electrical signal. Also provided is a phase shift circuit. A signal processing module (4302) is provided to process the first electrical signal and output a drive electrical signal to the first electrode (41), so as to form a capacitance between the first electrode (41) and the second electrode (42), thus controlling the phase shift amount of an electromagnetic wave signal. A load voltage applied to the first electrode (41) is adjusted according to the temperature change, so that the phase change of the electromagnetic wave signal is accurately controlled, thus eliminating the effect of the temperature change on the adjustment pre</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS 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 ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WAVEGUIDES |
| title | LIQUID CRYSTAL PHASE SHIFTER, PHASE SHIFT CIRCUIT, AND ANTENNA |
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