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LMH2120-具有 40 dB 動態范圍的 6 GHz 線性 RMS 功率檢測器
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LMH2120 - 具有 40 dB 動態范圍的 6 GHz 線性 RMS 功率檢測器

LMH2120是TI公司(德州儀器)的一款無產品,LMH2120是具有 40 dB 動態范圍的 6 GHz 線性 RMS 功率檢測器,本站介紹了LMH2120的產品說明、應用、特性等,并給出了與LMH2120相關的TI元器件型號供參考.

LMH2120 - LMH2120 6 GHz Linear RMS Power Detector with 40 dB Dynamic Range - TI德州儀器(Texas Instruments)

產品描述

The LMH2120 is a 40 dB Linear RMS power detector particularly suited for accurate power measurement of modulated RF signals that exhibit large peak-to-average ratios, i.e, large variations of the signal envelope. Such signals are encountered in W-CDMA and LTE cell phones. The RMS measurement topology inherently ensures a modulation insensitive measurement.

The device has an RF frequency range from 50 MHz to 6 GHz. It provides an accurate, temperature and supply insensitive, output voltage that relates linearly to the RF input power in volt. The LMH2120's excellent conformance to a linear response enables an easy integration by using slope and intercept only, reducing calibration effort significantly. The device operates with a single supply from 2.7V to 5V. The LMH2120 has an RF power detection range from -35 dBm to 5 dBm and is ideally suited for use in combination with a directional coupler. Alternatively, a resistive divider can be used.

The device is active for EN = High, otherwise it is in a low power consumption shutdown mode. To save power and prevent discharge of an external filter capacitance, the output (OUT) is high impedance during shutdown.

The LMH2120 power detector is offered in a tiny 6-bump DSBGA package.

產品特性

  • Linear Root Mean Square Response
  • 40 dB Linear-in-V Power Detection Range
  • Multi-Band Operation from 50 MHz to 6 GHz
  • Lin Conformance Better than ±0.5 dB
  • Highly Temperature Insensitive
  • Modulation Independent Response
  • Minimal Slope and Intercept Variation
  • Shutdown Functionality
  • Wide Supply Range from 2.7V to 5V
  • Tiny 6-Bump DSBGA Package

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