Diodes Incorporated — Analog and discrete power solutions
U QFN3030 16 Type B

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ZABG6004 (Obsolete)

LOW VOLTAGE 6 STAGE FET LNA BIAS CONTROLLER

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Description

The ZABG6004 is an advanced GaAs and HEMT FETs bias controller designed to operate from minimal supply rails and intended primarily for satellite Low Noise Blocks (LNBs). With the addition of one capacitor and two resistors, the ZABG6004 provides drain voltage and current control for up to 6 external grounded source FETs. Generating the regulated negative rail required for FET gate biasing whilst operating from a single supply of 2.1V to 5V. The -2V negative bias can also be used to supply other external circuits. Setting drain currents on the ZABG6004 uses two resistors and drain current control is split between the six FETs in a group of two and a group of four. This allows the operating current of input FETs to be adjusted to minimize noise, whilst the following FET stages can be adjusted for maximum gain.

Feature(s)

  • Provides Bias for up to 6 GaAs and HEMT FETs
  • Operating Range of 2.1V to 5V
  • Ultra-low Operating Current of 1.1mA
  • Dynamic FET Protection
  • Amplifier FET Drain Current Selectable (4mA to 15mA)
  • Regulated Negative Rail Generator Requires only 1 External Capacitor
  • Expended Temperature Range of -40°C to +105°C
  • U-QFN3030-16 (Type B) Surface Mount Package
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Application(s)

  • Low Power LNB’s
  • Digital LNB’s
  • IP LNB’s
  • Twin LNB’s and Quad LNB’s
  • General Purpose LNA Bias

Product Specifications

Product Parameters

IQ (mA) 1.1
LNA Bias Stages 6
LNA IDRAIN (mA) 15
LNA VDRAIN (V) 2
Mixer Bias Stages N/A
VCC (V) 5.5
VNEG (V) -2

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2602 2023-01-31 2023-07-31 Device End of Life (EOL)