Reference design synchronizing data converter DDC and NCO features for multi-channel RF systems(TIDA-010122)

This reference design provides the solution for synchronization design challenges associated with emerging 5G adapted applications like massive multiple input multiple output (mMIMO), phase array RADAR and communication payload. The typical RF front end contains antenna, low noise amplifier (LNA), mixer , local oscillator (LO) in analog domain and analog to digital converter, numerical controlled oscillator (NCO) and digital down converter (DDC) in digital domain. To achieve overall system synchronization these digital blocks need to be synchronize with system clock. This reference design uses ADC12DJ3200 data converter, achieve less than 5-ps channel-to-channel skew across multiple receiver with deterministic latency by synchronizing on chip NCO with SYNC~ and uses noiseless aperture delay adjustment (tAD Adjust) feature to further reduce skew. This design also provides a very low phase noise clocking solution based the LMX2594 wide band PLL and the LMK04828 synthesizer and jitter cleaner.

Возможности

Features
  • 4-channel, 3.2 GSPS, 6-GHz high-speed analog front end
  • On-chip NCO synchronization allows synchronization across multiple ADCs using SYNC~
  • Multi-channel JESD204B complaint clock
  • JESD204B supporting 8, 16, or 32 JESD lanes and data rates up to 12.8 Gbps per lane
  • Companion power reference design with a >85% efficiency at 12-V input

Спецификация (BOM)

Загрузите полный список требуемых компонентов.

Reference design synchronizing data converter DDC and NCO features for multi-channel RF systems TIDA-010122

Используемые компоненты

Производитель: Texas Instruments
Наименование
Производитель
Описание Корпус/
Изображение
Цена, руб. Наличие
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Сравнение позиций

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