DESCRIPTION

The LX5506M is a power amplifier optimized for the FCC Unlicensed National Information Infrastructure (U-NII) band, HyperLAN2, and Japan’s WLAN applications in the 4.9-5.9 GHz frequency range. The PA is implemented as a three-stage monolithic microwave integrated circuit (MMIC) with active bias, on chip input matching and output pre matching. The device is manufactured

KEY FEATURES

Broadband 4.9-5.9GHz Operation

Advanced InGaP HBT

Single-Polarity 3.3V Supply

Power Gain ~ 30dB at 5.25GHz

Power Gain > ~28dB Across 4.9-5.9GHz

EVM ~ -30dB at Pout=+17dBm at 5.25GHz

EVM ~ -30dB at Pout=+18dBm at 5.85GHz

Total Current ~140mA for Pout =+17dBm at 5.25GHz (For High Duty Cycle of 90)

Maximum Linear Power ~ +22dBm for OFDM Mask Compliance

Maximum Linear Efficiency ~ 20

On-chip Output Power Detector with Improved Frequency and Load VSWR Insensitivity

On-Chip Input Match

On-Chip RF Decoupling

Simple Output Match for Optimal Broadband EVM

Small Footprint: 3x3mm2

Low Profile: 0.9mm

Applications

FCC U-NII Wireless

IEEE 802.11a

HyperLAN2

5GHz Cordless Phone