TIDA-00335
高頻寬、高頻發射器參考設計
TIDA-00335
概覽
This design illustrates the circuit modifications required to support high bandwidth and high frequency applications using current source DACs like the DAC38J84 with the TRF3704 modulator. The TRF3704 is a 6 GHz modulator capable of supporting wide BB bandwidths. The DAC38J84 is a 2.5 GSPS converter capable of supporting 600 MHz of baseband bandwidth. This combination facilitates operating at frequencies and bandwidths previously unattainable for high end communication systems.
特點
- Supports 600 MHz of I/Q bandwidth corresponding to 1.2 GHz of RF bandwidth
- Operation up to 6 GHz with good gain and linearity performance
- Provides proper translation network to interface DAC to the modulator
- Provides contingency for LPF between DAC and Modulator
- Introduces modifications to ensure flat BB response for high bandwidth applications
- TSW38J84 is an orderable reference design with GUI; modifications within this document can be made on that EVM.
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| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 設計指南 | High-Bandwidth High-Frequency Transmitter Solution Design Guide | 2014/10/8 | |||
| 使用指南 | TIDA-00335 MathCAD Design Calculations | 2014/12/10 |