High%20Intercept%20LNA%20for%20L

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AD6IW
High Intercept LNA for LS Bands
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High intercept low noise amplifier for L and S
Band with Enhancement Mode Pseudomorphic HEMT

• Low coast SMD SOT343 plastic package 4 lead SC70,
  positive gate voltage, up to 6 GHz
• ATF55143
• 400 micron gate width,
• 24 dBm output 3rd order intercept
• 14dBm output power _at_ 1dB gain compression
• low noise 0.6dB _at_ 2GHz
• higher gain, but more unstable at low frequencies
• ATF-551M4
• SC70 MiniPak package
• lower noise 0.5dB
• higher P1dB 14.6dB
• small package, difficult to solder
• ATF54143
• 800 micron gate width
• very high OIP3 36dBm
• 20.4 output power _at_ 1dB gain compression
• low noise 0.5dB _at_ 2GHz
• 16.6 gain _at_ 2GHz

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Single Stage LNA
AD6IW
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LNA Inside
AD6IW
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LNA top
AD6IW
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LNA PC Board
AD6IW
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Two stage LNA
AD6IW
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LNA 2 inside
AD6IW
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LNA2 bottom
AD6IW
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LNA2 Board
AD6IW
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PC Boards
AD6IW
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Prototype Boards
AD6IW
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BOM

• C1 2.1p
• C2 27p
• C5 27p
• C3 1n
• C11 1n
• C4 .1u
• C7 .1u
• C6 1.1p
• C8 22u
• C9 10u/16V
• D1 1N4001
• J1 input
• J2 output
• L1 7.5nH
• L2 8.4nH
• L3 1uH
• Q1 ATF 55143

• PCC2218CT-ND
• PCC270CGCT-ND
• PCC102CGCT-ND
• PCC1828CT-ND
• PCC2209CT-ND
• PCC2242CT-ND
• 399-1593-1-ND
• DL4001DICT-ND
• J629-ND (J657_ND)
• J629_ND (J657_ND)
• DN4003CT-ND
• 3 turns on 1.6mm, 0.5mm, 2.5mm long
• DN4003CT-ND
• LQN21A8N6D44_Murata
• DN08102JCT-ND
• Agilent

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Links and software tools

• http//www.agilent.com
• AppCad 2.5.1
• Data sheets, s-parameters
• http//www.rfglobalnet.com/software_modeling/softw
  are/2/710.htm
• RfSim 99.exe
• http//goran.us
• this project