TD-SCDMA signal generator and its regulating method
A technology of TD-SCDMA and signal generating device, which is applied in multiplexing code generation, transmission monitoring, electrical components, etc., and can solve problems such as high price, deterioration of accuracy, and inconvenient clock calibration
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[0034] The structure and calibration method of the signal generating device of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] figure 1 The structure of the signal generating device of the present invention is shown. The device described in the figure includes: logic module, up-converter, DA converter, IF amplifier filter module, mixer, RF amplifier filter module, power detector, processor, constant temperature crystal oscillator (OCXO), temperature sensing module, Voltage controller (DAC), phase-locked loop (PLL), local oscillator (LO), communication serial port.
[0036]The signal generating device used in the TD-SCDMA system of the present invention receives the user's configuration parameters through the local liquid crystal display and keyboard module, or through the local maintenance terminal (LMT), such as selecting the parameters corresponding to the output channel, and then the device is in the processor...
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