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ZNBG4003 - 4 STAGE FET LNA BIAS CONTROLLER

Description

The ZNBG series of devices are designed to meet the bias requirements of GaAs and HEMT FETs commonly used in satellite receiver LNBs with a minimum of external components.

The ZNBG4003 provides four FET bias stages, arranged in two pairs of two.

Features

  • Four stage FET bias controller Operating range of 5.0V to 8.0V FET drain voltages set at 2.0V FET drain current selectable from 0 to 15mA Allows first and second stage FETs to be run at different (optimum) drain currents FET drain voltages and currents stable over temperature FETs protected against overstress during power-up and power-down. Internal negative supply generator allowing single supply operation (available for external use) Low external component count Pin Assignments G1 D.

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Datasheet Details

Part number ZNBG4003
Manufacturer Diodes Incorporated
File Size 185.97 KB
Description 4 STAGE FET LNA BIAS CONTROLLER
Datasheet download datasheet ZNBG4003 Datasheet
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    DataSheet.in A Product Line of Diodes Incorporated ZNBG4003 4 STAGE FET LNA BIAS CONTROLLER Summary The ZNBG4003 is a four stage depletion mode FET bias controller intended primarily for satellite Low Noise Block’s (LNB’s), but its also suitable for other LNA applications such as those in found in PMR’s and microwave links. The ZNBG4003 provides each FET with a negative gate voltage and positive drain voltage with user programmable drain current. Features • Four stage FET bias controller Operating range of 5.0V to 8.0V FET drain voltages set at 2.
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