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Amplifiers
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Power Amplifiers
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QPA3908

QPA3908

3700-3980 MHz, 8 Watt, 48 Volt, GaN Power Amplifier Module (PAM)

The QPA3908 is a fully integrated two-stage Doherty power amplifier module designed for massive MIMO applications with 8 W RMS at the device output covering frequency range from 3.7 to 3.98 GHz. The module is 50 Ω input and output and requires minimal external components. The module is also compact and offers a much smaller footprint than traditional discrete component solutions. The QPA3908 incorporates a driver and Doherty final stage delivering high power added efficiency for the entire module at 8W average power.

Discontinued
i
End of Life announced March 13, 2025 (PCN 25-0032).
Last Time Buy: September 24, 2025
Contact your local sales representative for assistance.
Product Data SheetRev F – 09/2022
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • Frequency Range: 3.7 - 3.98 GHz
  • Drain Voltage: +48V
  • Integrated Doherty Final Stage
  • 50 Ohm input/output
  • Excellent linearity w./ DPD: -52 dBc (2X100MHz NR)
  • Power Added Efficiency at 38.5dBm Pout: 40.4%
  • 8 x 10 mm Plastic Surface Mount Package

Typical Applications

  • 5G Massive MIMO
  • Small Cell
  • Low power remote radio heads
  • General Purpose Applications

Parameters

Frequency Min (GHz)
3.7
Frequency Max (GHz)
3.98
Psat (dBm)
47.5
Gain (dB)
32
Vd (V)
48
Package Size (mm)
8 x 10
RoHS
Yes
Lead Free
No
Halogen Free
Yes
ITAR Restricted
No
ECCN
5A991G

Technical Documents

Filters
3 results found
All (3)
  • Product Data Sheet

    Rev F – 09/2022
    Data Sheet
  • Application Note: GaN Bias Circuit Design Guidelines

    Application Note
  • Application Note: GaN Device Channel Temperature, Thermal Resistance, and Reliability Estimates

    Application Note
Results per page
10

Design Resources

Filters
1 result found
All (1)
  • Video

    Qorvo® Instructional Video: Understanding GaN Thermal Analysis

    Video
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

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Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

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© 2026 Qorvo US, Inc

|

+1-833-641-3810

/
Products
/
Amplifiers
/
Power Amplifiers
/
QPA3908

QPA3908

3700-3980 MHz, 8 Watt, 48 Volt, GaN Power Amplifier Module (PAM)

The QPA3908 is a fully integrated two-stage Doherty power amplifier module designed for massive MIMO applications with 8 W RMS at the device output covering frequency range from 3.7 to 3.98 GHz. The module is 50 Ω input and output and requires minimal external components. The module is also compact and offers a much smaller footprint than traditional discrete component solutions. The QPA3908 incorporates a driver and Doherty final stage delivering high power added efficiency for the entire module at 8W average power.

Discontinued
i
End of Life announced March 13, 2025 (PCN 25-0032).
Last Time Buy: September 24, 2025
Contact your local sales representative for assistance.
Product Data SheetRev F – 09/2022
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • Frequency Range: 3.7 - 3.98 GHz
  • Drain Voltage: +48V
  • Integrated Doherty Final Stage
  • 50 Ohm input/output
  • Excellent linearity w./ DPD: -52 dBc (2X100MHz NR)
  • Power Added Efficiency at 38.5dBm Pout: 40.4%
  • 8 x 10 mm Plastic Surface Mount Package

Typical Applications

  • 5G Massive MIMO
  • Small Cell
  • Low power remote radio heads
  • General Purpose Applications

Parameters

Frequency Min (GHz)
3.7
Frequency Max (GHz)
3.98
Psat (dBm)
47.5
Gain (dB)
32
Vd (V)
48
Package Size (mm)
8 x 10
RoHS
Yes
Lead Free
No
Halogen Free
Yes
ITAR Restricted
No
ECCN
5A991G

Technical Documents

Filters
3 results found
All (3)
  • Product Data Sheet

    Rev F – 09/2022
    Data Sheet
  • Application Note: GaN Bias Circuit Design Guidelines

    Application Note
  • Application Note: GaN Device Channel Temperature, Thermal Resistance, and Reliability Estimates

    Application Note
Results per page
10

Design Resources

Filters
1 result found
All (1)
  • Video

    Qorvo® Instructional Video: Understanding GaN Thermal Analysis

    Video
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

Forum

Forum

Engage with the Qorvo community, ask technical questions and share insights.

Support

Support

Get technical, application or customer support plus updates on supply chain and FAQs.

Sales

Sales

Connect with our sales team to gain tailored solutions, expert guidance and access to the latest technologies.

Stay up to date with us.

Sign up for notification on new products, product/process change notifications (PCNs) and end of life (EOL) alerts.

Sign Up

Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

Stay Connected

  • Facebook
  • X
  • LinkedIn
  • YouTube
  • Products
  • Solutions
  • Design Hub
  • New Products
  • Product Compliance
  • Blog Posts
  • Events & Trade Shows
  • News Releases
  • Success Stories
  • Technical Articles
  • About Us
  • Careers
  • Corporate Videos
  • Quality
  • Locations
  • Investors
  • How to Buy
  • Forums
  • Portals
  • Contact Us
  • Subscription Center
Site MapFeedbackLegalPrivacySupply Chain Transparency

© 2026 Qorvo US, Inc

|

+1-833-641-3810

Qorvo
  • Products
  • Solutions
  • Design Hub
  • Support
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