QPA9121
High Gain, 0.5 W Driver Amplifier
®
Product Overview
The QPA9121 is a wideband, high gain, and high peak
power driver amplifier. With Qorvo’s GaAs HBT process,
this amplifier provides 27dBm P3dB with 28dB gain at
2.6GHz. With a quiescent current of 95mA the part is well
suited as a driver in a Tx path DPD loop, for m-MIMO
applications.
16 Pad 3ꢀxꢀ3ꢀmm Laminate Package
The QPA9121 is internally match to 50Ω over the entire
operating frequency band of 2.3-5.0 GHz and incorporates
a shut-down function through the VPD pin. The amplifier has
been proven to provide excellent DPD correction with 5G
signals as wide as 160MHz.
Key Features
• 2.3ꢁ–ꢁ5.0 GHz Operational Frequency
• 50Ω Matched RF Input and Output
• +27 dBm P3dB
The QPA9121 is housed in a 16-pin 3X3mm SMT package
and is footprint and pin-compatible to QPA9120.
• 28ꢁdB Gain at 2.6 GHz
• +5ꢁV Single Supply, ICC 95ꢁmA
• DC Power Shutdown Feature
Functional Block Diagram
Applications
• 5G m-MIMO
Pin 1 Reference Mark
• Mobile Infrastructure
• General Purpose Wireless
• TDD / FDD System
VPD
16
NC
15
NC
14
VBIAS
13
NC
1
2
12
11
GND
RFIN
Bias
RFOUT/VCC2
3
4
10
9
NC
RFOUT/VCC2
NC
Ordering Information
VCC1
Part No.
QPA9121SR
Description
100 pcs on 7” reel
5
6
7
8
NC
NC
NC
NC
QPA9121TR7
2500 pcs on 7” reel (standard)
Backside Paddle – RF/DC GND
QPA9121EVB-01
Evaluation Board
Top View
Data Sheet, July 13, 2020 | Subject to change without notice
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