DDS调制器
基于直接数字频率合成器（DDS）的调制产品是现代通信系统中正交数字上变频所采用的较为传统的发送DAC方法的一种替换方法。它们提供同相与正交（I/Q）调制和敏捷的上变频功能，并可配置成单音直接数字频率合成器或内插数模转换器（DAC）。
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- Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
- Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
- Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
- Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
- Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
| Part# Results: 3 |
Master fclk | Resolution (Bits) | SNR (dB) | Nominal Supply (V) | I Supply total (max) | FS Iout (mA nom) | Compliance Range (V) | REFCLK Multiplier | I/O Interface | Price* (1000-4999) | Function | Product Description | Part# Results: 3
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| AD9856 | 200MHz | 12 | n/a | Single(+3) | 530mA | 10 | 1.5 | Yes | Parallel | $15.47 | DDS, Modulator, Quadrature Dig Upconv | CMOS, 12-Bit, 200 MHz, Quadrature Digital Upconverter | AD9856 |
| AD9857 | 200MHz | 14 | n/a | Single(+3.3) | 615mA | 20 | 1 | Yes | Serial | $15.58 | DDS, Modulator, Quadrature Dig Upconv | CMOS, 200 MSPS, 14-Bit Quadrature Digital Upconverter | AD9857 |
| AD9957 | 1000MHz | 14 | - | Multi(+1.8, +3.3) | 759mA | 20 | 0.5 | Yes | Serial | $21.25 | Modulator, Quadrature Dig Upconv | 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC | AD9957 |
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* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.