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ZNBG3118

Zetex Semiconductors
Part Number ZNBG3118
Manufacturer Zetex Semiconductors
Description A Flexible Bias And Control Solution
Published Feb 8, 2010
Detailed Description A Product Line of Diodes Incorporated ZNBG3118 LNA GaAs FET BIAS CONTROLLER WITH POLARIZATION AND BAND SELECT Summary ...
Datasheet PDF File ZNBG3118 PDF File

ZNBG3118
ZNBG3118

Overview
A Product Line of Diodes Incorporated ZNBG3118 LNA GaAs FET BIAS CONTROLLER WITH POLARIZATION AND BAND SELECT Summary The ZNBG3118 is a bias and control solution designed for Satellite Low Noise Blocks (LNB’s).
Providing three bias stages to power control and protect the GaAs or HEMT FET low noise amplifier’s (LNA’s).
The ZNBG3118 integrates an accurate voltage detector to select the LNB polarisation channel and an advanced tone detector to select the local oscillator (LO) for band switching.
Features NEW PRODUCT • • • • • • • • • • Provides bias for up to three GaAs and HEMT FETs Dynamic FET protection and temperature compensation Drain current set by external resistor Regulated negative rail generator requires only 2 external capacitors Accurate voltage detector and polarisation switch for LNB’s 22kHz tone detection for band switching with rejection of unwanted signals Band switch supports both Discrete, MIMIC and PLL local oscillators Compliant with ASTRA control specifications L...


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