The SKY5A3049 supports 2G/3G/4G/5G for automotive,
telematics, and NAD and operates efficiently in 3G/4G/
5G modes. The device consists of a low-band 3G/4G/5G
PA block, low band and high-band 2G PA blocks, a
silicon controller containing the MIPI RFFE interface,
RF band switches, antenna switches, a bi-directional
coupler, integrated filters for Bands B8, B26, and
B28a, and LNAs. Extremely low leakage current
maximizes device standby time. The IC die and passive
components are mounted on a multi-layer
laminate substrate.
The SKY5A3049 is optimized for LTE Advanced which
utilizes CA for higher data rates. The combined
filtering, RF matching and TRX switching internal to the
FEM optimizes performance for popular Downlink (DL)
CA band combinations in a compact and low-cost
solution. The device contains the necessary
components between the antenna and RFIC
transceiver and is optimized to provide superior RX
sensitivity and TX efficiency.
Selecting the linear-GMSK operation standard disables
VRAMP input, so all PA biasing depends only on MIPI
mode selection. The transmitted envelope is then a
linear function of RF input.
Selecting VRAMP-enabled operation, the PA controller
provides VRAMP control of the GMSK envelope and
reduces sensitivity to input drive, temperature, power
supply, and process variations.
In EDGE linear mode, VRAMP voltage and MIPI-based
bias settings jointly optimize PA linearity
and efficiency.
Exceptional RF coexistence planning and system
techniques are employed to minimize RX de-sense.
The SKY5A3049 is part of our Sky5® product portfolio.