SKY77781-11

Power Amplifier Module for LTE FDD Band 7 (2500–2570 MHz), Band 30 (2305–2315 MHz); LTE TDD Bands 38/41 (2496–2690 MHz), Band 40 (2300–2400 MHz), AXGP Band (2545–2575 MHz)

The SKY77781-11 Power Amplifier Module (PAM) is a fully matched, 10-pad surface mount (SMT) module developed for LTE applications. The module includes broadband coverage of LTE FDD Bands 7 and 30, LTE TDD Bands 38, 40, 41, and AXGP Band in a compact 2.0 mm x 2.5 mm package. Attaining high efficiencies throughout the entire power range while meeting the stringent linearity requirements of LTE, the SKY77781-11 delivers unsurpassed savings in current consumption for data-intensive applications.

The Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all amplifier active circuitry, including input, interstage, and output matching circuits. Output match into a 50 load, realized off-chip within the module package, optimizes efficiency and power performance. The silicon CMOS support die, providing precision biasing for the MMIC affords a true CMOS-compatible control interface.

The SKY77781-11 is manufactured with Skyworks' InGaP GaAs Heterojunction Bipolar Transistor (HBT) process which provides for all positive voltage DC supply operation and maintains high efficiency and good linearity. Optimal performance is obtained with VCC1 and VCC2 sourced from a DC-DC power supply based on target output power levels. No external supply side switch is needed as typical "off" leakage is a few microamperes.

Product Summary

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Specifications

Frequency (MHz)
2500–2570
2305–2315
2496–2690
2300–2400
2545–2575

DescriptionPAM for LTE FDD Band 7, Band 30, LTE TDD Bands 38/41 , Band 40, and AXGP Band
LTE B7
LTE B30
LTE B38/41
LTE B40
AXGP Band

Typical PAE (%)TBD

Typical Linear LTE Power
(dBm)TBD

Typical Imax (mA)

Typical Gain (dB)TBD

Supply Voltage (V)TBD

PackageMCM, 10-pad

Package (mm)2 x 2.5 x 0.85

Features

Performance optimized for FDD Bands 7 and 30, and coverage in TDD Bands 38, 40, and 41, and AXGP Band
Optimized for Average Power Tracking (APT) / Compatible with Envelope Tracking Controller (ETC) implementation
High efficiency broadband 2.3 GHz to 2.69 GHz
Supports modulation bandwidth up to 20 MHz
Small, low profile package: 2.0 mm x 2.5 mm x 0.85 mm, 10-pad configuration
MIPI RFFE interface
V_CC2 decoupling caps < 125 pF

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