Verilog AD9910 code
2016-08-23
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Application background
AD9910 is a direct digital frequency synthesizer (DDS) with 14 DAC bit, which supports up to 1 GSPS of the sampling rate. AD9910 uses advanced DDS patented technology, without sacrificing the performance of the premise can greatly reduce power consumption. The high frequency analog output frequency synthesizer, which is composed of DDS/DAC combination, can generate a frequency agility waveform with a frequency of up to 400 MHz. The user can access the three signal control parameters for controlling DDS, including: frequency, phase and amplitude. AD9910 uses 32 bit accumulator to provide fast frequency hopping and frequency tuning resolution. At 1 GSPS sampling rate, the tuning resolution is Hz. ~0.23 and the DDS is also realized by the fast phase and amplitude switching function. The user can program the internal control registers of the AD9910 through the serial port I/O to realize the control of AD9910.Key Technology
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