0.5-18 GHz Variable Gain Amplifier in WaferCap SMT Package

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The VMMK-3503 is a small and easy-to-use, broadband, variable gain amplifier operating in various frequency bands from 0.5-18 GHz. It is housed in the Broadcom's industry-leading and revolutionary sub-miniature WaferCap chip scale package (GaAsCap wafer scale leadless package) which is small and ultra thin yet can be handled and placed with standard 0402 pick and place assembly equipment.


  • 1 x 0.5 mm surface mount package 
  • Ultrathin (0.25 mm)
  • Broadband frequency range: 0.5 to 18 GHz
  • In and output match: 50 ohm
  • All Positive DC Voltage Supply and Control
  • CMOS-compatible gain control voltage


  • 2.4, 3.5, and 5-6 GHz WLAN and WiMax
  • 802.16 & 802.20 BWA systems
  • Radar and ECM systems
  • UWB
  • Genenic IF amplifier and VGA

Lifecycle Status


Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Obsolete
RoHS6 Compliant Y
Distrib. Inventory Yes
IIP3 (dBm) 1.8
Frequency (GHz) 0.5-18
Bias Condition (V@mA) 6V@58mA
NF (dB) 3.5
Gain (dB) 12
P1dB (dBm) 9
OIP3 (dBm) 0.5
Package SMT 1x0.5

Reliability Data Sheet1 i
S-Parameter5 i