產品詳細資料

Applications Avionics & Defense, General purpose, Industrial, Test and Measurement Number of TXs and RXs 4 TX, 6 RX RF frequency (max) (MHz) 7400 RF frequency (min) (MHz) 5 Number of DUCs per TX 2 Number of DDCs per RX 2 Operating temperature range (°C) -40 to 85 Rating Catalog
Applications Avionics & Defense, General purpose, Industrial, Test and Measurement Number of TXs and RXs 4 TX, 6 RX RF frequency (max) (MHz) 7400 RF frequency (min) (MHz) 5 Number of DUCs per TX 2 Number of DDCs per RX 2 Operating temperature range (°C) -40 to 85 Rating Catalog
FCBGA (ALK) 400 289 mm² (17 mm × 17 mm) FCBGA (ABJ) 400 289 mm² (17 mm × 17 mm)
  • Request full data sheet
  • Quad RF sampling 12-GSPS transmit DACs
  • Quad RF sampling 3-GSPS receive ADCs
  • Dual RF sampling 3-GSPS feedback (auxilliary RX) ADCs
  • Maximum RF signal bandwidth:
    • 4TX or 2FB: 1200 MHz or 2TX: 2400 MHz
    • RX): 1200 MHz (no FB), 600 MHz (with FB)
  • RF frequency range:
    • TX: 5MHz - 7.4GHz
    • RX/FB: 5MHz - 7.4GHz
  • Digital step attenuators (DSA):
    • TX: 40 dB range, 0.125-dB steps
    • RX or FB: 25 dB range, 0.5-dB steps
  • Single or dual-band DUC or DDCs for TX and RX
  • 16x NCOs per TX or RX and FB
  • Optional Internal PLL or VCO for DAC or ADC clocks or external clock at DAC or ADC sample rate
  • Sysref Alignment Detector
  • SerDes data interface:
    • JESD204B and JESD204C compatible
    • 8 SerDes transceivers up to 29.5 Gbps
    • Subclass 1 multi-device synchronization
  • Package: 17-mm × 17-mm FCBGA, 0.8-mm pitch
  • Request full data sheet
  • Quad RF sampling 12-GSPS transmit DACs
  • Quad RF sampling 3-GSPS receive ADCs
  • Dual RF sampling 3-GSPS feedback (auxilliary RX) ADCs
  • Maximum RF signal bandwidth:
    • 4TX or 2FB: 1200 MHz or 2TX: 2400 MHz
    • RX): 1200 MHz (no FB), 600 MHz (with FB)
  • RF frequency range:
    • TX: 5MHz - 7.4GHz
    • RX/FB: 5MHz - 7.4GHz
  • Digital step attenuators (DSA):
    • TX: 40 dB range, 0.125-dB steps
    • RX or FB: 25 dB range, 0.5-dB steps
  • Single or dual-band DUC or DDCs for TX and RX
  • 16x NCOs per TX or RX and FB
  • Optional Internal PLL or VCO for DAC or ADC clocks or external clock at DAC or ADC sample rate
  • Sysref Alignment Detector
  • SerDes data interface:
    • JESD204B and JESD204C compatible
    • 8 SerDes transceivers up to 29.5 Gbps
    • Subclass 1 multi-device synchronization
  • Package: 17-mm × 17-mm FCBGA, 0.8-mm pitch

The AFE7900 is a high performance, wide bandwidth multi-channel transceiver, integrating four RF sampling transmitter chains, four RF sampling receiver chains and two RF sampling feedback chains (six RF sampling ADCs total). With operation up to 7.4 GHz, this device enables direct RF sampling in the L, S and C-band frequency ranges without the need for additional frequency conversions stages. This improvement in density and flexibility enables high-channel-count, multi-mission systems.

The TX signal paths support interpolation and digital up conversion options that deliver up to 1200 MHz of signal bandwidth for four TX or 2400 MHz for two TX. The output of the DUCs drives a 12-GSPS DAC (digital to analog converter) with a mixed mode output option to enhance 2nd Nyquist operation. The DAC output includes a variable gain amplifier (TX DSA) with 40-dB range and 1-dB analog and 0.125-dB digital steps.

Each receiver chain includes a 25-dB range DSA (Digital Step Attenuator), followed by a 3-GSPS ADC (analog-to-digital converter). Each receiver channel has an analog peak power detector and various digital power detectors to assist an external or internal autonomous automatic gain controller, and RF overload detectors for device reliability protection. Flexible decimation options provide optimization of data bandwidth up to 1200 MHz for four RX without FB paths or 600 MHz with two FB paths (1200 MHz BW each).

The device contains a SYSREF timing detector to allow optimization of the SYSREF input timing relative to the device clock.

The AFE7900 is a high performance, wide bandwidth multi-channel transceiver, integrating four RF sampling transmitter chains, four RF sampling receiver chains and two RF sampling feedback chains (six RF sampling ADCs total). With operation up to 7.4 GHz, this device enables direct RF sampling in the L, S and C-band frequency ranges without the need for additional frequency conversions stages. This improvement in density and flexibility enables high-channel-count, multi-mission systems.

The TX signal paths support interpolation and digital up conversion options that deliver up to 1200 MHz of signal bandwidth for four TX or 2400 MHz for two TX. The output of the DUCs drives a 12-GSPS DAC (digital to analog converter) with a mixed mode output option to enhance 2nd Nyquist operation. The DAC output includes a variable gain amplifier (TX DSA) with 40-dB range and 1-dB analog and 0.125-dB digital steps.

Each receiver chain includes a 25-dB range DSA (Digital Step Attenuator), followed by a 3-GSPS ADC (analog-to-digital converter). Each receiver channel has an analog peak power detector and various digital power detectors to assist an external or internal autonomous automatic gain controller, and RF overload detectors for device reliability protection. Flexible decimation options provide optimization of data bandwidth up to 1200 MHz for four RX without FB paths or 600 MHz with two FB paths (1200 MHz BW each).

The device contains a SYSREF timing detector to allow optimization of the SYSREF input timing relative to the device clock.

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 AFE7900 4T6R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs datasheet (Rev. B) PDF | HTML 2023/6/30
應用說明 AFE79xx Linux Driver PDF | HTML 2026/7/30
應用說明 AFE79xx Bringup Using HDL Module Without Microcontroller PDF | HTML 2025/8/14
應用說明 AFE79XX as a Chirp Signal Generator PDF | HTML 2024/7/10
應用說明 Debugging AFE7950 for Run Time and Post Bring-Up Failure PDF | HTML 2024/6/28
使用指南 AFE79xx SPI Bringup Guide With Xilinx FPGAs (Rev. A) PDF | HTML 2024/5/5
應用說明 AFE79xx as Single Chip Wideband Repeater Solution (Rev. A) PDF | HTML 2023/5/30
應用說明 Determining Optimal Receive Buffer Delay in JESD204B and JESD204C Receivers PDF | HTML 2022/7/7
應用說明 How to Achieve Frequency Hopping with the AFE79xx 2020/7/2

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開發板

AFE7900EVM — 適用於四傳輸、六接收、5-MHz 至 7400-MHz、射頻取樣 AFE 的 AFE7900 評估模組

AFE7900 系列評估模組 (EVM) 是靈活的射頻取樣收發器平台,可配置為支援最多同時四個發射、四個接收與兩個回饋 (4T4R+2FB) 通道。此 EVM 設計可介接以下所示 TI 模式/擷取卡解決方案 (分開販售) 以及許多符合 FPGA FMC 標準的開發套件。

使用指南: PDF | HTML
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AFE79XX-HSC-DESIGN — AFE79xx family high-speed transceiver design & support files

Find detailed product information on the AFE79xx product family (datasheets, EVM resources, software and firmware, reference designs, etc)
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TI204C-IP — Request for JESD204 rapid design IP

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JESD204 快速設計 IP 無需權利金,用於 TI 高速資料轉換器。TI 將協助使用者配置初始連結,針對特定 FPGA 平台與 TI 資料轉換器 JMODE 之間的使用進行自訂。TI 將在 IP 測試完成並準備部署後,透過安全下載連結提供 IP。

JESD204 快速設計 IP 支援下列 (...)

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開發模組 (EVM) 的 GUI

DATACONVERTERPRO-SW — 高速資料轉換器 Pro GUI 安裝程式,v5.31

這款高速資料轉換器專業 GUI 是一款 PC(與 Windows® XP/7/10 相容)程式,旨在協助評估大多數 TI 高速資料轉換器 [類比轉數位轉換器 (ADC) 和數位轉類比轉換器 (DAC)] 和類比前端 (AFE) 平台。DATACONVERTERPRO-SW 旨在支援整個 TSW14xxx 系列資料擷取和模式產生卡,為時域和頻域中的資料轉換器分析提供強大且快速的解決方案,並支援單音、多音和調變訊號。此 GUI 也與 TI 模式產生 GUI 相容,可快速合成單音、多音和調變訊號。

使用者可以向 DATACONVERTERPRO-SW 提供自訂模式,以載入到 TI DAC。支援從 (...)

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參考設計

TIDA-010230 — 適用雷達和 EW 應用的多通道射頻收發器、低雜訊時脈參考設計

在現代雷達和電子作戰 (EW) 系統中,有源電子掃描陣列 (AESA) 天線系統通常會搭配高速多通道 RF 收發器使用。這些系統需要能進行精確通道間偏斜調整的超低雜訊時脈,以獲得最佳系統性能,例如訊噪比 (SNR)、無雜散動態範圍 (SFDR)、IMD3 和有效位元數 (ENOB)。此參考設計展示了 LMX2820 和 LMK04832 架構的低雜訊 JESD204B 相容時脈,可為多個 AFE7950 提供最高 X 頻段的操作的並同步成 < 10 ps,此外可於 9-GSPS/3-GSPS DAC/ADC 時脈提高系統性能。
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FCBGA (ALK) 400 Ultra Librarian
FCBGA (ABJ) 400 Ultra Librarian

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