SKY58255-11

Front-End Module for LTE and NR Bands

Please note: SKY58255-11 is being discontinued and is not recommended for new designs.

SKY58255-11 is a recent addition to our Sky5 portfolio of 5G Technology products. This versatile and fully matched Front-End Module (FEM) supports multi-band 4G/5G and LTE/NR applications. Packaged in a single 4.5 mm x 5.5 mm x 0.7 mm (Max.) form factor, the 42-pad surface mount (SMT) module consists of PA blocks, input and output matching, a MIPI standard digital control block, single-ended filters, antenna and bandselect switches and low Noise amplifier (LNA).

Utilizing an enhanced architecture, SKY58255-11 covers multiple bands and meets the spectral linearity requirements of CP-OFDM and DFTS-OFDM modulations with up to 100 MHz bandwidth and up to 273 resource block allocations. Output power is controlled by varying input power and adjusting VCC maximizes efficiency. Extremely low leakage current maximizes handset stand-by time.

Product Summary

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Specifications

Product LifecycleLast Time Buy

Function5G- UHB

DescriptionFEM for LTE and NR

SKUNORTH AMERICA / GLOBAL

Package (mm)4.5 x 5.5

Package42-pad configuration (includes 20-pad ground array)

Features

Fully Baseband Agnostic Design
Full Power APT support without DPD
UHB S-PAD covering B42, B43, B48, n77, n78, n79, and separate Auxiliary TX
MIPI® v2.1 compliant 52 MHz RFFE bus
Two ET/APT PA cores
Two LNA cores
Support 2x2 UL-MIMO using two TX placements
Support Fast SRS Hopping timing requirements
Supports system connectivity for:
- MIMO-UL with single-feed or diplexed/separate-feed n77/n79
- SISO-UL with single-feed or diplexed/separate-feed n77/n79
ASM switch with two selectable ANT ports and 6 AUX ports for seamless SRS Hopping support
Switchable LAA input
50 ohm input/output impedance with internal DC-blocking
Continuous bias control via RFFE interface
Low Supply voltage
Low leakage current in power-down mode
Supports full SRS connectivity with minimal external switches
SRS RX ports for sharing coax cables
Integrated Antenna and band select switches
Integrated LNA with MIPI® control features
- up to seven gain modes
- independent gain and bias control
Integrated wide bandwidth filters
Small, low profile package
- 4.5 mm x 5.5 mm x 0.7 mm (Max.)
- 42-pad configuration (includes 20-pad ground array)

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