Acoustic-wave device with active calibration mechanism
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United States of America Patent
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app pub date -
Mar 13, 2017
filing date -
Mar 15, 2016
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Abstract
An acoustic-wave device with active calibration mechanism is provided. The acoustic-wave device with active calibration mechanism includes at least one adjustable acoustic-wave duplexer, a frequency discriminator and a control circuit. The adjustable acoustic-wave duplexer has a first terminal point, a second terminal point and a third terminal point. The adjustable acoustic-wave duplexer includes a TX filter, an RX filter, a first loop switch and a second loop switch. The first loop switch is used for conducting a first loop. The second loop switch is used for conducting a second loop. The control circuit adjusts the operating frequency of the TX filter according to a first loop calibration signal. The control circuit adjusts the operating frequency of the operating frequency of the RX filter according to the second loop calibration signal.
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International Classification(s)
- H03L:AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR S....
- H01P:WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF ....
- H03B:GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUEN....
- H04B:TRANSMISSION
- H03D:DEMODULATION OR TRANSFERENCE OF MODULATION FROM ON....
- H03H:IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONA....
- H03J:TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCU....
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