Electronicdesign 6751 13 12 23skyworks Sky67111 396lf
Electronicdesign 6751 13 12 23skyworks Sky67111 396lf
Electronicdesign 6751 13 12 23skyworks Sky67111 396lf
Electronicdesign 6751 13 12 23skyworks Sky67111 396lf
Electronicdesign 6751 13 12 23skyworks Sky67111 396lf

High Linearity, Active Bias LNA Ensure Cellular Performance

Dec. 23, 2013
0.7 to 1.2 GHz single-die cascode, GaAs, pHEMT LNA for cellular infrastructure applications offers 0.51 dB noise figure, +39 dBm OIP3 linearity, 18 dB return loss and gain flatness in compact, no-lead plastic package.

Skyworks’ new SKY67111-396LF single-die cascode, GaAs, pHEMT low-noise amplifier designed for cellular infrastructure applications such as tower-mounted amplifiers, remote radio units, repeaters and base stations. Operating over the 0.7 to 1.2 GHz frequency range, the LNA offers a low noise figure and high linearity (+39 dBm OIP3), along with 18 dB return loss and gain flatness in a compact, no-lead plastic package. On-die active bias design ensures consistent performance and enables unconditional stability with a 5 V supply. The rugged cascode design achieves a 0.51 dB @ 0.9 GHz noise figure, high IIP3 performance (18.9 dBm @ 0.9 GHz), >20 dB gain, and the bias circuit allows the device current to be set independently from the Vdd supply. With its high linearity, the amplifier is also suited as a linear amplifier for transmitter applications. A standard evaluation board is available, and custom evaluation board schematic designs can be generated for application specific narrow band requirements such as improved gain flatness or higher linearity. Manufactured in a 2 x 2 mm, 8-pin DFN package, samples of the SKY67111-396LF LNA are available now. Pricing is dependent upon quantities.

SKYWORKS SOLUTIONS INC.

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