40 MHz to 1 GHz Broadband 75 Ω CATV Low-Noise Amplifier with Bypass Mode

The SKY65450-92LF is a Microwave Monolithic Integrated Circuit (MMIC) front-end low-noise amplifier (LNA) designed especially for set-top box applications. The device provides high linearity, excellent gain, and best in class composite triple beat (CTB) and composite second order (CSO). There are minimal external components.

The SKY65450-92LF is optimized to operate between 40 MHz and 1 GHz, which makes it ideal for cable and terrestrial set-top box and home gateway applications.

The SKY65450-92LF is fabricated using SiGe BiCMOS technology. The LNA uses surface-mount technology (SMT) in a 6-pin SC-70 package.

Please note: SKY65450-92LF is being discontinued and is not recommended for new designs.


    • Small signal gain: 15 dB typical
    • Best in Class linearity
    • Low noise figure: 2.9 dB typical
    • Bypass mode current consumption < 5 mA
    • Input/output impedance internally matched to 75 Ω
    • Minimal number of external components required
    • Small, 6-pin SC-70 (SC-88, SOT-363) plastic SMT package

Images & Diagrams


    • Frequency Range (GHz)
    • 0.04-1
    • Test Frequency (GHz)
    • Gain Typ. (dB)
    • 15
    • OIP3 (dBm)
    • 28.4
    • VDD (V)
    • OP1 dB (dBm)
    • Supply Current Typ. (mA)
    • 42
    • Noise Figure Typ. (dB)
    • 2.9
    • Package
    • SC-70, 6-pin
    • Package (mm)
    • 2.1 x 2.0 x 0.95

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