FEATURES
100MHz to 40GHz Linear-in-dB RMS Power Detector with 35dB Dynamic Range DESCRIPTION
n Ultra Wide Matched Input Frequency Range: 100MHz to 40GHz n 35dB Linear Dynamic Range (< ±1dB Error) n 29mV/dB Logarithmic Slope n ±1dB Flat Response from 200MHz to 30GHz n Accurate RMS Power Measurement of High Crest Factors (Up to 12dB) Modulated Waveforms n Low Power Shutdown Mode n Low Supply Current: 30mA at 3.3V (Typical) n Small 2mm × 2mm Plastic DFN8 Package n I-Grade: –40°C to 105°C Rated H-Grade: –40°C to 125°C Rated with Guaranteed Log-Slope and Log-Intercept n ESD Rating: 3500V HBM, 1500V CDM APPLICATIONS
n Point-to-Point Microwave Links n Instrumentation and Measurement Equipment n Military Radios n LTE, WiFi, WiMax Wireless Networks n RMS Power Measurement n Receive and Transmit Gain Control n RF PA Transmit Power Control The DC output voltage of the detector is an accurate representation of the average signal power applied to the RF input. The response is linear-in-dB with 29mV/dB logarithmic slope over a 35dB dynamic range with typically better than ±1dB accuracy.
Linear Technology
