Product details

Current consumption (mA) 80 Frequency (Min) (MHz) 3300 Frequency (Max) (MHz) 4200 Gain (Typ) (dB) 17.5 Impedance match (Ohms) 50 Noise figure (Typ) (dB) 3 Number of channels (#) 1 Operating temperature range (C) -40 to 105 Output enable Yes Output IP3 (Typ) (dBm) 34.7 P1dB (Typ) (dBm) 18 Type Active Balun Power down current 10 mA
Current consumption (mA) 80 Frequency (Min) (MHz) 3300 Frequency (Max) (MHz) 4200 Gain (Typ) (dB) 17.5 Impedance match (Ohms) 50 Noise figure (Typ) (dB) 3 Number of channels (#) 1 Operating temperature range (C) -40 to 105 Output enable Yes Output IP3 (Typ) (dBm) 34.7 P1dB (Typ) (dBm) 18 Type Active Balun Power down current 10 mA
WQFN (RRL) 12
  • Single-channel, single-ended input to differential output RF gain block amplifier
  • Supports 3.3 GHz – 3.8 GHz band directly or 3.7 GHz – 4.2 GHz band with external matching components
  • 17.5 dB typical gain across the band
  • Less than 3 dB noise figure
  • 34.5 dBm OIP3
  • 18 dBm output P1 dB
  • 270 mW power consumption on 3.3 V single supply
  • Up to 105°C TC operating temperature
  • Single-channel, single-ended input to differential output RF gain block amplifier
  • Supports 3.3 GHz – 3.8 GHz band directly or 3.7 GHz – 4.2 GHz band with external matching components
  • 17.5 dB typical gain across the band
  • Less than 3 dB noise figure
  • 34.5 dBm OIP3
  • 18 dBm output P1 dB
  • 270 mW power consumption on 3.3 V single supply
  • Up to 105°C TC operating temperature

The LMH9235 device is a high-performance, single-channel, single-ended input to differential output receive RF gain block amplifier supporting 3.6 GHz center frequency band. The device is well suited to support requirements for the next generation 5G AAS or small cell applications where LNA gain is not sufficient to drive full-scale of an analog front-end (AFE). The RF amplifier provides 17 dB typical gain with good linearity performance of 34 dBm Output IP3, while maintaining about 3 dB noise figure across the whole 1 dB bandwidth. The device is internally matched for 50 Ω impedance at both the single-ended input as well as the differential output providing easy interface with an RF-sampling or Zero-IF analog front-end (AFE).

Operating on a single 3.3 V supply, the device consumes about 270 mW of 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.

The LMH9235 device is a high-performance, single-channel, single-ended input to differential output receive RF gain block amplifier supporting 3.6 GHz center frequency band. The device is well suited to support requirements for the next generation 5G AAS or small cell applications where LNA gain is not sufficient to drive full-scale of an analog front-end (AFE). The RF amplifier provides 17 dB typical gain with good linearity performance of 34 dBm Output IP3, while maintaining about 3 dB noise figure across the whole 1 dB bandwidth. The device is internally matched for 50 Ω impedance at both the single-ended input as well as the differential output providing easy interface with an RF-sampling or Zero-IF analog front-end (AFE).

Operating on a single 3.3 V supply, the device consumes about 270 mW of 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
* Data sheet LMH9235 RF Narrow Band Single to Differential Balun Amplifier datasheet (Rev. C) 06 May 2021
User guide AFE79xx, LMH9xx EVM User Guide 23 Jul 2020
User guide LMH9235 Evaluation Module User's Guide 05 May 2020
Certificate LMH9235RRLEVM EU Declaration of Conformity (DoC) 14 Apr 2020

Design & development

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Evaluation board

AFE79-LMH9-EVM — AFE7920 reference design evaluation board with active baluns LMH9126, LMH9226, LMH9135 and LMH9235

The AFE79-LMH9-EVM evaluation module (EVM) is a board for evaluating the performance of the AFE79xx family of integrated RF sampling transceivers interfaced with the LMH9xxx family of active baluns. The AFE79-LMH9-EVM showcases the AFE7920, LMH9126, LMH9226, LMH9135, and LMH9235. The device is well (...)
Evaluation board

LMH9235-EVM — 3.55 GHz single ended in to differential out amplifier evaluation module

The LMH9235-EVM evaluation module (EVM) is used to evaluate the LMH9235 device, which is a single-ended input to differential output 18-dB 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 (...)
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Simulation model

LMH9235 S-Parameter Models

SBOMB72.ZIP (5 KB) - S-Parameter Model
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WQFN (RRL) 12 View options

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