概览

简介

该新型增强型通用公共无线接口 (eCPRI) 大规模多输入多输出 (MIMO) 远端射频单元 (RRU) 需要低相噪和杂散性能来避免通道阻塞和干扰。 该系统需要时钟信号中的确定性延迟和低相位偏移,并需要确保接收器相位同步控制在皮秒级别。 它是精确波束成形和 MIMO 架构的基础。 我们的解决方案由 系统同步器、微波合成器、高性能扇出缓冲器和超低噪音 LDO 组成。 方案采用优化设计,旨在实现高时钟精度、高集成度和高灵活性,从而为 5G 兼容网络和系统开发提供支持。

系统优势:

  • 高度集成的时钟源无需额外时钟设备
  • 支持同步以太网 (Sync-E)、JESD204B/C、IEEE 1588 G.8262.1 和 G.8262 电信边界时钟需求以及 G.8273.2 类 C/D 时间精度
  • 高性能毫米波宽带合成器可生成高达 18GHz 的输出频率

产品对比

应用

应用

  • 用于 5G 大规模 MIMO 网络设备的无线基础设施

成功产品组合交互框图

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 CN340 CN340 CN340 Baseband Unit (BBU) Baseband Unit (BBU) Baseband Unit (BBU) DFE Digital Front End DFE Digital Front End DFE Digital Front End Radio Radio Radio CPRI, eCPRI CPRI, eCPRI CPRI, eCPRI Network Network Network Sheet.284 Sheet.285 Sheet.286 Sheet.289 Transceiver Transceiver Transceiver Sheet.273 Sheet.275 Sheet.277 Sheet.278 Sheet.279 Sheet.280 Sheet.281 Sheet.282 Sheet.283 Sheet.288 Sheet.295 Sheet.296 Sheet.298 Sheet.299 Sheet.301 Sheet.307 Sheet.308 Sheet.309 Sheet.310 Connector 1.162 Sheet.312 Connector 1.313 Sheet.314 Sheet.318 Sheet.319 Sheet.320 Sheet.321 Sheet.322 Sheet.323 Sheet.324 Connector 1.162.325 Sheet.326 Sheet.328 Sheet.329 Sheet.330 Sheet.331 Sheet.332 Sheet.333 Sheet.334 Sheet.335 Connector 1.162.336 Sheet.337 Connector 1.338 122.88MHz <80fs RMS 122.88MHz <80fs RMS 122.88MHz <80fs RMS SYSREF SYSREF SYSREF 491.52MHz<80fs RMS 491.52MHz <80fs RMS 491.52MHz<80fs RMS 245.76 MHz 245.76 MHz 245.76MHz 1.2V/<300mA 1.2V/<300mA 1.2V/<300mA 3.3V/286mAmax 3.3V/ 286mAmax 3.3V/286mAmax 8 Communication Lines B.795 8 8 8 2 2 2 2 Sheet.356 5V 5V 5V 2 2 2 2 Sheet.360 SYSREF SYSREF SYSREF 1.8V/<700mA 1.8V/<700mA 1.8V/<700mA 3.3V/<1A 3.3V/<1A 3.3V/<1A 3.3V/1.24Amax 3.3V/ 1.24Amax 3.3V/1.24Amax 8 8 8 8 Sheet.367 Sheet.368 Sheet.369 Antenna-Array Antenna Array Antenna Array Antenna Array.427 Sheet.428 Sheet.429 Sheet.430 Sheet.431 Sheet.432 Sheet.433 Sheet.434 Sheet.435 Sheet.436 Sheet.437 Sheet.438 Sheet.439 Sheet.440 Sheet.441 Sheet.442 Sheet.443 Sheet.444 Sheet.445 Fanout 1 Fanout Fanout Fanout 2 Fanout Fanout LDO x8 LDO x8 LDO x8 LDO x2 LDO x2 LDO x2 LDO 1 LDO LDO LDO 2 LDO LDO LDO 3 LDO LDO RF Conditioning/Amplification RF Conditioning/Amplification RF Conditioning/Amplification RF Synthesizer x8 RF Synthesizer x8 RF Synthesizer x8 ADC ADC ADC Down-Converter Down-Converter Down-Converter DAC DAC DAC Up-Converter Up-Converter Up-Converter Sheet.446 System Synchronizer System Synchronizer System Synchronizer Sheet.315 Sheet.316 Sheet.409 Ultra-low Phase Noise Ultra-low Phase Noise Ultra-low Phase Noise DPLLn DPLLn DPLLn DPLL DPLL DPLL DCO DCO DCO DCOn DCOn DCOn
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