1. High Intercept LNA for L&S Bands
AD6IW
High Intercept LNA for L&S Bands
AD6IW

2. 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 1dB gain compression
low noise 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 1dB gain compression
low noise 2GHz
16.6 2GHz
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3. AD6IW

4. Single Stage LNA
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5. LNA Inside
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6. LNA top
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7. LNA PC Board
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8. AD6IW

9. AD6IW

10. Two stage LNA
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11. LNA 2 inside
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12. LNA2 bottom
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13. LNA2 Board
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14. AD6IW

15. PC Boards
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16. Prototype Boards
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17. BOM AD6IW C1 2.1p C2 27p C5 27p C3 1n C11 1n C4 .1u C7 .1u C6 1.1p
C u/16V
D1 1N4001
J1 input
J2 output
L nH
L nH
L3 1uH
Q1 ATF 55143
Q2 2N2907 R
R2 1k
R3 1k
R4 1k R R R R R
U1 ZR78L05/SOT
PCC2218CT-ND
PCC270CGCT-ND
PCC102CGCT-ND
PCC1828CT-ND
PCC2209CT-ND
PCC2242CT-ND ND
DL4001DICT-ND
J629-ND (J657_ND)
J629_ND (J657_ND)
DN4003CT-ND
3 turns on 1.6mm, 0.5mm, 2.5mm long
LQN21A8N6D44_Murata
DN08102JCT-ND
Agilent
FMMT2907ACT-ND
P50.0CCT-ND
P1.00KCCT-ND
P4.12KCCT-ND
P5.90KCCT-ND
P68.1FCT-ND
P10.0CCT_ND
P22.1CCT-ND
ZR78L05GCT-ND
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18. Links and software tools
AppCad 2.5.1
Data sheets, s-parameters
RfSim 99.exe
this project
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