Current-Adjustable Low Noise Amplifier

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MGA-685T6 is an easy-to-use GaAs MMIC amplifier that offers excellent linearity and low noise figure for applications from 0.1 to 1.5GHz. One external resistor is used to set the bias current from 5 mA to 30 mA. This allows the designer to use the same part in several circuit positions and tailor the linearity performance (and current consumption) to suit each position.


  • Single 3V Supply
  • High Linearity
  • Low Noise figure
  • Miniature Surface Mount 2.0x1.3x0.4 mm3 6-lead UTSLP


  • LNA for DVB-T, DVB-H, T-DMB, ISDB-T,DAB and MediaFLO

Lifecycle Status


Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Obsolete
RoHS6 Compliant Y
Distrib. Inventory No
Frequency (GHz) 0.1-1.5
Bias Condition (V@mA) 3V@10 mA
NF (dB) 0.93
Gain (dB) 18.9
P1dB (dBm) 17.3
OIP3 (dBm) 18.7
Package SMT 2x1.3
Obsolescence Notice1 i
Product Change Notice (PCN)4 i
Reliability Data Sheet1 i
S-Parameter3 i


Demonstration circuit board for MGA-685T6 ( 100MHz - 1.5GHZ)