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LMH2100 - 产品图解：
LMH2100-用于 CDMA 和 WCDMA 的 50 MHz 至 4 GHz 40 dB 对数功率检测器
LMH2100--射频功率检测器-宽带RF/IF
LMH2100-LMH2100 50-MHz to 4-GHz 40-dB Logarithmic Power Detector for CDMA and WCDMA
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TI产品 - LMH2100介绍

LMH2100 - 用于 CDMA 和 WCDMA 的 50 MHz 至 4 GHz 40 dB 对数功率检测器

LMH2100是TI德州仪器公司的一款无产品，LMH2100是用于 CDMA 和 WCDMA 的 50 MHz 至 4 GHz 40 dB 对数功率检测器，本站介绍了LMH2100的封装应用图解、特点和优点、功能等，并给出了与LMH2100相关的TI元器件型号供参考。

LMH2100 - 用于 CDMA 和 WCDMA 的 50 MHz 至 4 GHz 40 dB 对数功率检测器 - 无 - 射频功率检测器 - 德州仪器

产品特性
  • Supply Voltage: 2.7 V to 3.3 V
  • Output Voltage: 0.3 V to 2 V
  • 40-dB Linear in dB Power Detection Range
  • Shutdown
  • Multi-Band Operation from 50 MHz to 4 GHz
  • 0.5-dB Accurate Temperature Compensation
  • External Configurable Output Filter Bandwidth
  • 0.4-mm Pitch DSBGA Package
产品应用
  • UMTS/CDMA/WCDMA RF Power Control
  • GSM/GPRS RF Power Control
  • PA Modules
  • IEEE 802.11b, g (WLAN)
产品说明

The LMH2100 is a 40-dB RF power detector intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 50 MHz to 4 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7 V to 3.3 V.

The LMH2100 has an RF power detection range from −45 dBm to −5 dBm, and is ideally suited for direct use in combination with a 30-dB directional coupler. Additional low-pass filtering of the output signal can be realized by means of an external resistor and capacitor. Typical Application: Output RC Low Pass Filter shows a detector with an additional output low pass filter. The filter frequency is set with RS and CS.

Typical Application: Feedback (R)C Low Pass Filter shows a detector with an additional feedback low pass filter. Resistor RP is optional and will lower the Trans impedance gain (RTRANS). The filter frequency is set with CP//CTRANS and RP//RTRANS.

The device is active for Enable = 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.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (MAX)
LMH2100DSBGA (6)1.274 mm × 0.874 mm
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