0.25W High gain Driver Amplifier

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MGA-31289 is a 0.25W high gain Driver Amplifier MMIC that serves applications from 1.5 GHz to 3.0 GHz, housed in a SOT-89 standard plastic package.

It is one of the Broadcom gain blocks family that feature high linearity, high gain, excellent gain flatness and low power dissipation. MGA-31289 is a 0.25W Gain Blocks solution that is optimized for frequency and delivers superior RF performance. There are 2 devices in this High Gain 0.25W Gain Blocks family. The MGA-31189 serves applications from 50 MHz to 2.0 GHz while MGA-31289 covers 1.5 GHz to 3.0 GHz, thus covering all the major cellular bands — GSM, CDMA, and UMTS — plus next generation LTE bands.

A common footprint and PCB layout allows a single design to support multiple frequencies and geographic markets with a choice of output power. The devices also feature high gain which can reduce the total number of RF stages needed.


  • ROHS Compliant
  • Halogen free
  • High linearity at low DC bias power
  • High Gain
  • Good gain flatness
  • Low Noise Figure
  • Excellent uniformity in product specification
  • SOT-89 standard package

Lifecycle Status


Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Obsolete
RoHS6 Compliant Y
Distrib. Inventory No
Frequency (GHz) 1.9
Bias Condition (V@mA) 5V@124mA
NF (dB) 3.0
Gain (dB) 18.7
P1dB (dBm) 24
OIP3 (dBm) 41.8
Package SOT-89
Application Note3 i
Obsolescence Notice1 i
Product Change Notice (PCN)2 i
Reliability Data Sheet1 i
S-Parameter1 i