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MGA-21108 Datasheet

Broadband Fully Integrated Matched Low-Noise Amplifier MMIC

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MGA-21108
Broadband Fully Integrated Matched Low-Noise Amplifier MMIC
Data Sheet
Description
Avago Technologies’ MGA-21108 is a fully integrated
GaAs Low Noise amplifier MMIC for use in the (1.5 - 8) GHz
band. Broadband performance is achieved with only one
external input matching component. Power supply chokes
and coupling capacitors are also integrated. It is housed
in a miniature (2.5 x 2.5 x 0.55) mm 8-pin STSLP package.
It includes a CMOS-compatible shutdown pin which can
also be used as a variable gain bias pin. The ease-of-use
and broadband performance make the MGA-21108 an
ideal choice as a LNA for multistandard, multiband radio
applications.
Component Image
2.5 x 2.5 x 0.55 mm3 8-Lead STSLP
21108
YYWW
Top View
Pin Configuration
Features
Broadband gain with 1.4V-3.3V single-supply
High gain : (18.7-10.7) dB at (1.5 - 8) GHz
Low-noise : (1.5 – 2.8) dB at (1.5 -8) GHz
Low power operation at 18mA nominal current
Internally matched to 50 Ohm at RF output
CMOS-compatible variable bias control and shutdown
pin
GaAs E-pHEMT Technology[1]
Low cost, low-profile package : (2.5 x 2.5 x 0.55) mm3
Typical Performance
At 3.5GHz; 1.4V, 17 mA (typ) :
17.6 dB Gain
1.4 dB Noise Figure
IP1dB : -12.3 dBm
IIP3 : -3.3 dBm
S11 : -6.8 dB; S22 : -7.4 dB
Shutdown current : < 200uA
Applications
LNA for GPS, WCDMA, IEEE 802.11g/a, 802.16e
Low-noise 50-Ohm Gain-block
Broadband LNA for multistandard, multiband radio
Bottom View
Note:
Package marking provides orientation and identification
“21108” = Product Code
“YY” = Year of manufacture
“WW” = Work Week of manufacture
Note:
1. Enhancement-mode technology employs positive Vgs, thereby elim-
inating the need of negative gate voltage associated with conven-
tional depletion mode devices.
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model = 50 V
ESD Human Body Model = 300 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
AVAGO
AVAGO



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