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LMH9135

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3.2 to 4.2 GHz differential to single-ended amplifier with integrated balun

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Product details

Parameters

Current consumption (mA) 118 Frequency (Min) (MHz) 3200 Frequency (Max) (MHz) 4200 Gain (Typ) (dB) 18.8 Impedance match (Ohms) 50 Noise figure (Typ) (dB) 3.8 Number of channels (#) 1 Operating temperature range (C) -40 to 105 Output IP3 (Typ) (dBm) 33 P1dB (Typ) (dBm) 18 Type Active Balun Power down current Yes open-in-new Find other RF gain block amplifiers

Package | Pins | Size

WQFN (RRL) 12 open-in-new Find other RF gain block amplifiers

Features

  • Single-Channel, Narrow-Band Differential Input to Single-Ended Output RF Gain Block Amplifier
  • Supports 3.2 – 4.2 GHz 1-dB BW Typical
  • 18 dB Typical Gain Across the Band
  • 3.8 dB Noise Figure
  • 31.5 dBm OIP3
  • 18 dBm Output P1dB
  • 395 mW Power Consumption on Single +3.3 V Supply
  • Up to 105°C TC Operating Temperature

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Description

LMH9135 are high-performance, single-channel, differential input to single-ended output transmit radio frequency (RF) gain block amplifiers that support 3.2 – 4.2 GHz frequency band. The device can support the requirements for next generation 5G active antenna systems (AAS) or small-cell applications while driving the input of a power amplifier (PA). The RF amplifier provides 18 dB typical gain with good linearity performance of +31.5 dBm Output IP3, while maintaining less than 4 dB noise figure across the whole 1 dB bandwidth. The device is internally matched for 100-Ω differential input impedance providing easy interface with an RF-sampling or Zero-IF analog front-end (AFE) at the input. Also, the device is internally matched for 50-Ω single-ended output impedance that is required to easily interface with a post-amplifier, surface acoustic wave (SAW) filter, or power amplifier (PA).

Operating on a single 3.3 V supply, the device consumes about 395 mW typical active power making it suitable for high-density 5G massive MIMO applications. Also, the device is available in a space saving 2 mm x 2 mm, 12-pin QFN package. The device is rated for an operating temperature of up to 105°C to provide a robust system design. There is a 1.8-V JEDEC compliant power down pin available for fast power down and power up of the device suitable for time division duplex (TDD) systems.

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Technical documentation

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Type Title Date
* Datasheet LMH9135 3.2 – 4.2 GHz Differential to Single-Ended Amplifier with Integrated Balun datasheet Sep. 13, 2019
More literature LMH9135RRLEVM EU Declaration of Conformity (DoC) May 15, 2020
User guides LMH9135 Evaluation Module User's Guide Apr. 02, 2020

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
99
Description
The LMH9135 evaluation module (EVM) is used to evaluate the LMH9135 device, which is a differential input to single-ended output 18dB gain block amplifier available in 2x2mm2 12-pin RRL package. The device is well suited to support requirements for the next generation 5G m-MIMO active antenna system (...)
Features
  • Operates on single +3.3-V supply
  • Designed for differential 100-Ω input matching and single-ended 50-Ω output matching interface
  • Simple interface to the inputs and output through on-board SMA connectors
  • Power down option available on board using jumper connector

Design tools & simulation

SIMULATION MODELS Download
SBOMB71.ZIP (15 KB) - S-Parameter Model

CAD/CAE symbols

Package Pins Download
WQFN (RRL) 12 View options

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