SKY67105-306LF

0.6–1.1 GHz Two Stage, High Linearity and High Gain Low Noise Amplifier

Please note: SKY67105-306LF is being discontinued and is not recommended for new designs. The suggested replacement is SKY67179-306LF

The SKY67105-306LF is a GaAs pHEMT and HBT two-stage, LowNoise Amplifier (LNA) with active bias and high linearity performance. The pHEMT front end of the device provides an ultra-low Noise Figure (NF) while the HBT output stage provides high gain, linearity, and efficiency.

The SKY67105-306LF operates in the frequency range of 0.6 to 1.1 GHz. For higher frequency operation, the pin and layout compatible SKY67106-306LF should be used.

The SKY67105-306LF operates in the frequency range of 0.6 to 1.1 GHz and the associated evaluation board designs are optimized for operation in the 0.75 – 0.95 GHz band. For higher frequency operation, the pin and layout compatible SKY67106-306LF is available as well. The LNA is manufactured in a compact, 4 x 4 mm, 8-pin Quad Flat No-Lead (QFN) package and is categorized as Skyworks Green.

Data Sheets

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Specifications

Product LifecycleObsolete

Frequency Range (GHz)0.6-1.1

Replacement Part SKY67179-306LF

Test Frequency (GHz)0.85

Gain Typ. (dB)37

OIP3 (dBm)41

V_DD (V)5

OP_{1 dB} (dBm)26

Supply Current Typ. (mA)138

Noise Figure Typ. (dB)0.7

PackageQFN, 16-pin

Package (mm)4 x 4 x 0.9

Features

Ultra-low NF: 0.69 dB @ 850 MHz
High gain: 37 dB @ 850 MHz
+4 or +5 V operation for improved efficiency
Stage 1 adjustable gain and current
Wideband performance, useable to 1.1 GHz
Small, QFN (16-pin, 4 x 4 mm) Pb-free package (MSL1, 260 °C per JEDEC J-STD-020)

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