SKY67101-396LF

0.4-1.2 GHz High Linearity, Active Bias Low Noise Amplifier

Please note: SKY67101-396LF is being discontinued and is not recommended for new designs. The suggested replacement is SKY67154-396LF

The SKY67101-396LF is GaAs, pHEMT Low Noise Amplifier (LNA) with an active bias and high linearity performance. The advanced GaAs pHEMT enhancement mode process provides excellent return loss, low noise, and high linearity performance.

The internal active bias circuitry provides stable performance over temperature and process variation. The device offers the ability to externally adjust supply current and gain. Supply voltage is applied to the RFOUT/VDD pin through an RF choke inductor. Pin 4 (VIN) should be connected to RFOUT/VDD through an external resistor to control the supply current. The RFIN and RFOUT/VDD pins should be DC blocked to ensure proper operation. Pin 5 (FEEDBACK) is connected through an RC network to externally adjust the gain of the device without affecting the Noise Figure (NF) of the LNA.

The SKY67101-396LF operates in the frequency range of 0.4 to 1.2 GHz. For higher frequency operation, the pin-compatible SKY67100-396LF should be used.

The switch is manufactured in a compact, 2 x 2 mm, 8-pin Dual Flat No-Lead (DFN) package.

Data Sheets

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Specifications

Product LifecycleObsolete

Frequency Range (GHz)0.4-1.2

Replacement Part SKY67154-396LF

Test Frequency (GHz)0.9

Gain Typ. (dB)17.5

OIP3 (dBm)34

V_DD (V)4

OP_{1 dB} (dBm)19

Supply Current Typ. (mA)56

Noise Figure Typ. (dB)0.5

PackageDFN, 8-pin

Package (mm)2 x 2 x 0.75

Features

Ultra Low Noise Figure: 0.57 dB @ 0.9 GHz
Input and output return loss > 20 dB @ 0.9 GHz
High OIP3 performance: +33.8 dBm @ 0.9 GHz
Adjustable supply current and gain
Temperature and process-stable active bias
Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per JEDEC J-STD-020)

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