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The QPA9122M is a wideband, high gain and high linearity driver amplifier. It provides 36.5dB gain at 2.6GHz and achieves a peak power of 27dBm P3dB. The amplifier can provide good DPD linearity performance with wideband signals of up to 200 MHz wide 5G NR signals, making it perfectly suited for m-MIMO applications.
The QPA9122M 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.
QPA9122M also has external bias control capability for linearity optimization.
The QPA9122M is housed in a 16-pin 3X3mm SMT package and is footprint and pin-compatible to QPA9120,QPA9121 and QPA9122.
Frequency Min(MHz) | 2,300 |
Frequency Max(MHz) | 5,000 |
Gain(dB) | 36.5 |
NF(dB) | 5.2 |
Voltage(V) | 5 |
Current(mA) | 120 |
Package Type | LGA / SMT |
Package(mm) | 3 x 3 |
RoHS | Yes |
Lead Free | No |
Halogen Free | Yes |
ITAR Restricted | No |
ECCN | 5A991G |
The reference design provides a complete solution for a RF front end (RFFE) for an 8W average output power mMIMO 5G application in band n78 (3.4-3.8GHz). The RFFE reference design provides a Tx/Rx solution from digital front end to antenna filter in a compact layout which can be directly implemented into an array. The design includes QPA9122M, QPB3810, QPB9362, directional coupler for DPD, and circulator.
For more technical information, go to 8 Watt mMIMO 3.4 - 3.8 GHz RF Front End Reference Board.