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Products
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Amplifiers
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Driver Amplifiers (< 3 W)
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RFPA3805

RFPA3805

700 - 2700 MHz GaAs HBT 2 Stage Power Amplifier

Qorvo's RFPA3805 is a GaAs HBT linear power amplifier specifically designed for Wireless Infrastructure applications. Using a highly reliable GaAs HBT fabrication process, this high performance two-stage amplifier achieves high linearity over a broad frequency range. Its external matching allows for use across various radio platforms within 700MHz to 2700MHz. The RFPA3805 can also be optimized for high-efficiency applications.

Discontinued
i
End of Life announced March 6, 2017 (PCN 17-0035).
Last Time Buy March 10, 2018.
Contact your local sales representative for assistance.
Please use TQP9111 for new designs.
Product Data Sheet09/24/2013
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • High Gain 20.5dB at 2.14GHz
  • High Linearity, OIP3 = 47.5dBm at 2.14GHz
  • Off-chip Interstage for Design Flexibility
  • Independent Bias Control for Each Stage
  • Power-down Capability
  • 700MHz to 2700MHz Operation

Parameters

Frequency Min (MHz)
700
Frequency Max (MHz)
2,700
OP1dB (dBm)
33.1
Small Signal Gain (dB)
20.5
OIP3 (dBm)
47.5
Voltage (V)
5
Current (mA)
841
Package Type
QFN
Package Size (mm)
4.0 x 4.0
ECCN
5A991.G

Technical Documents

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

    09/24/2013
    Data Sheet
  • RFPA3805 Manufacturing Note

    Application Note
  • Qualification Report

    Qualification Report
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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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.

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© 2026 Qorvo US, Inc

|

+1-833-641-3810

/
Products
/
Amplifiers
/
Driver Amplifiers (< 3 W)
/
RFPA3805

RFPA3805

700 - 2700 MHz GaAs HBT 2 Stage Power Amplifier

Qorvo's RFPA3805 is a GaAs HBT linear power amplifier specifically designed for Wireless Infrastructure applications. Using a highly reliable GaAs HBT fabrication process, this high performance two-stage amplifier achieves high linearity over a broad frequency range. Its external matching allows for use across various radio platforms within 700MHz to 2700MHz. The RFPA3805 can also be optimized for high-efficiency applications.

Discontinued
i
End of Life announced March 6, 2017 (PCN 17-0035).
Last Time Buy March 10, 2018.
Contact your local sales representative for assistance.
Please use TQP9111 for new designs.
Product Data Sheet09/24/2013
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • High Gain 20.5dB at 2.14GHz
  • High Linearity, OIP3 = 47.5dBm at 2.14GHz
  • Off-chip Interstage for Design Flexibility
  • Independent Bias Control for Each Stage
  • Power-down Capability
  • 700MHz to 2700MHz Operation

Parameters

Frequency Min (MHz)
700
Frequency Max (MHz)
2,700
OP1dB (dBm)
33.1
Small Signal Gain (dB)
20.5
OIP3 (dBm)
47.5
Voltage (V)
5
Current (mA)
841
Package Type
QFN
Package Size (mm)
4.0 x 4.0
ECCN
5A991.G

Technical Documents

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

    09/24/2013
    Data Sheet
  • RFPA3805 Manufacturing Note

    Application Note
  • Qualification Report

    Qualification Report
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
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