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ADI LTC5597 100MHz-70GHz RMS功率检测器解决方案

ADI公司的LTC5597是具有35 dB 动态范围的100 MHz至70 GHz线性分贝RMS功率检测器,超宽匹配输入频率范围为100 MHz 至 70 GHz,35dB 线性动态范围小于±1dB 误差,对数斜率为28.5 mV/dB,±2 dB 平坦响应在 100 MHz 至 60 GHz 的范围内,

能对高波峰因数(高达12 dB)调制波形进行精确的RMS功率测量,低功耗关断模式,低电源电流,3.3 V 时为 30 mA(典型值).ESD 额定值2500 V HBM,1500 V CDM.小型 2 mm × 62 mm 塑料 DFN8 封装.−40C 至 105C 额定温度(I 级).主要用在点对点微波链接, SATCOM,仪器和仪表,军用无线电,5G,LTE,WiFi等无线网络,RMS功率测量,接收和发送增益控制,RF PA发送功率控制.本文介绍了LTC5597主要特性,测试电路和100MHz-70GHz RMS功率检测器电路图,RF性能测试建立图以及演示板DC2932A主要特性,电路图和材料清单.

 

The LTC5597 is a high accuracy RMS power detector thatprovides a very wide RF input bandwidth, from 100MHzup to 70GHz. This makes the device suitable for a widerange of RF and microwave applications, such as pointto-point microwave links, instrumentation and powercontrol applications.

The DC output voltage of the detector is an accuraterepresentation of the average signal power applied to theRF input. The response is linear-in-dB with 28.5mV/dBlogarithmic slope over a 35dB dynamic range with typicallybetter than ±1dB accuracy. The detector is particularlysuited for measurement of waveforms with crest factor(CF) as high as 12dB, and waveforms that exhibit a significantvariation of th

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