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AD9910 Datasheet (PDF) - Analog Devices

AD9910 Datasheet PDF - Analog Devices
Part # AD9910
Download  AD9910 Download

File Size   390.99 Kbytes
Page   3 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers

AD9910 Datasheet (PDF)

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AD9910 Datasheet PDF - Analog Devices

Part # AD9910
Download  AD9910 Click to download

File Size   390.99 Kbytes
Page   3 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers

AD9910 Datasheet (HTML) - Analog Devices

AD9910 Datasheet HTML 1Page - Analog Devices AD9910 Datasheet HTML 2Page - Analog Devices AD9910 Datasheet HTML 3Page - Analog Devices

AD9910 Product details

CIRCUIT DESCRIPTION

The circuit in Figure 1 was constructed by connecting the respective evaluation boards for the individual products. Connections were made with matched cable lengths. The first of three basic requirements to synchronize multiple AD9910’s is to provide a co-incident reference clock (REF CLK).

The setup uses the AD9520 as the REF CLK source for each AD9910 DDS. The AD9520 runs off an external crystal and the internal PLL. The AD9520 distributes phase aligned 1 GHz REF CLKs (PECL outputs) to all four AD9910 evaluation boards. It also provides a CMOS output clock to the Tektronix DG2020A data pattern generator for the IO_UPDATE.



CIRCUIT FUNCTION AND BENEFITS

Synchronization of multiple DDS devices allows precise digital tuning control of the phase and amplitude across multiple frequency carriers. This type of control is useful in radar applications and quadrature (I/Q) upconversion for side-band suppression.

The circuit in Figure 1 demonstrates how to synchronize four AD9910 1 GSPS, DDS chips using the AD9520 clock generator and the ADCLK846 clock fanout buffer. The result is precise phase alignment between the clock and output signals of four AD9910 devices.



 




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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