ATF-55143 Avago Technologies, ATF-55143 Datasheet
ATF-55143
Available stocks
Related parts for ATF-55143
ATF-55143 Summary of contents
Page 1
... ATF-55143 Low Noise Enhancement Mode Pseudomorphic HEMT in a Surface Mount Plastic Package Data Sheet Description Avago Technologies’ ATF‑55143 is a high dynamic range, very low noise, single supply E‑PHEMT housed in a 4‑lead SC‑70 (SOT‑343) surface mount plastic package. The combination of high gain, high linearity and low noise makes the ATF‑ ...
Page 2
... ATF-55143 Absolute Maximum Ratings Symbol Parameter V Drain‑Source Voltage DS V Gate‑Source Voltage GS V Gate Drain Voltage GD I Drain Current DS I Gate Current GS P Total Power Dissipation diss P RF Input Power in max. (Vd=2.7V, Id=10mA) (Vd=0V, Id=0mA) (Vd=0V, Id=0mA) T Channel Temperature CH T Storage Temperature STG θ ...
Page 3
... ATF-55143 Electrical Specifications T = 25°C, RF parameters measured in a test circuit for a typical device A Symbol Parameter and Test Condition Vgs Operational Gate Voltage Vth Threshold Voltage Idss Saturated Drain Current Gm Transconductance 285 Igss Gate Leakage Current NF Noise Figure [ 900 MHz Ga Associated Gain ...
Page 4
... ATF-55143 Typical Performance Curves 2V 2.7V FREQUENCY (GHz) [1] Figure 6. Gain vs. Bias over Frequency 2V 2.7V FREQUENCY (GHz) [1] Figure 9. IIP3 vs. Bias over Frequency. 0.60 0.55 0.50 0.45 0.40 0.35 0.30 2V 2.7V 0. (mA) ds Figure 12 ...
Page 5
... ATF-55143 Typical Performance Curves, continued 2. (mA) dq [1,2] Figure 15. P1dB vs. I and GHz 2. (mA) ds Figure 18. OIP3 vs. I and V at 900 MHz Notes: 1 ...
Page 6
... ATF-55143 Typical Performance Curves, continued 28 25°C -40°C 85° FREQUENCY (GHz) Figure 21. Gain vs. Temperature and [1] Frequency with bias at 2.7V 25°C 0 -40°C -2 85° FREQUENCY (GHz) Figure 24. IIP3 vs. Temperature and [1] Frequency with bias at 2 ...
Page 7
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.998 ‑6.5 20.78 0.5 0.963 ‑31.7 20.37 0.9 0.894 ‑54.7 19.57 1.0 0.879 ‑60.1 19.32 1.5 0.793 ‑84.1 18.07 1.9 0.731 ‑100.8 17.11 2.0 0.718 ‑104.7 16.86 2.5 0.657 ‑123.7 15.79 3.0 0.611 ‑141.8 14.80 4.0 0.561 ‑177.5 13.10 5.0 0.558 149.4 11.52 6.0 0.566 122.5 10.06 7.0 0.583 99.7 8.78 8.0 0.601 77.7 7.62 9.0 0.636 57.5 6.63 10.0 0.708 38.3 5.66 11.0 0.76 21.8 4.45 12.0 0.794 7.6 3.32 13.0 0.819 ‑7.8 2.29 14.0 0.839 ‑ ...
Page 8
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.997 ‑7.1 22.33 0.5 0.953 ‑34.5 21.82 0.9 0.873 ‑58.8 20.86 1.0 0.856 ‑64.6 20.58 1.5 0.759 ‑89.3 19.14 1.9 0.695 ‑106.2 18.06 2.0 0.681 ‑110.2 17.8 2.5 0.621 ‑129.3 16.62 3.0 0.578 ‑147.4 15.54 4.0 0.536 177.3 13.71 5.0 0.541 145.1 12.09 6.0 0.554 119.1 10.59 7.0 0.574 97.0 9.3 8.0 0.594 75.5 8.13 9.0 0.63 55.9 7.12 10.0 0.703 37.3 6.14 11.0 0.757 21.1 4.92 12.0 0.793 7.1 3.79 13.0 0.818 ‑8.2 2.77 14.0 0.841 ‑ ...
Page 9
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.997 ‑7.5 23.23 0.5 0.947 ‑36.2 22.66 0.9 0.858 ‑61.3 21.59 1.0 0.839 ‑67.2 21.29 1.5 0.738 ‑92.4 19.74 1.9 0.673 ‑109.4 18.59 2.0 0.659 ‑113.5 18.32 2.5 0.599 ‑132.6 17.07 3.0 0.558 ‑150.6 15.95 4.0 0.521 174.4 14.06 5.0 0.531 142.8 12.40 6.0 0.546 117.4 10.89 7.0 0.568 95.6 9.60 8.0 0.588 74.4 8.42 9.0 0.625 55.2 7.41 10.0 0.699 36.8 6.43 11.0 0.754 20.9 5.21 12.0 0.791 6.9 4.08 13.0 0.818 ‑8.2 3 ...
Page 10
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.998 ‑6.4 20.86 0.5 0.963 ‑31.2 20.46 0.9 0.896 ‑53.8 19.68 1.0 0.881 ‑59.2 19.44 1.5 0.794 ‑83 18.21 1.9 0.732 ‑99.5 17.25 2.0 0.718 ‑103.4 17.01 2.5 0.655 ‑122.3 15.94 3.0 0.608 ‑140.2 14.96 4.0 0.553 ‑175.9 13.28 5.0 0.548 150.9 11.74 6.0 0.556 123.9 10.30 7.0 0.573 100.9 9.04 8.0 0.590 78.6 7.89 9.0 0.625 58.4 6.94 10.0 0.699 39.2 6.03 11.0 0.752 22.7 4.89 12.0 0.789 8.4 3.78 13.0 0.815 ‑ ...
Page 11
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.997 ‑7.4 23.29 0.5 0.947 ‑35.8 22.72 0.9 0.860 ‑60.8 21.67 1.0 0.840 ‑66.6 21.37 1.5 0.739 ‑91.7 19.83 1.9 0.672 ‑108.6 18.68 2.0 0.658 ‑112.7 18.41 2.5 0.597 ‑131.7 17.16 3.0 0.554 ‑149.7 16.04 4.0 0.515 175.4 14.17 5.0 0.523 143.7 12.55 6.0 0.538 118.2 11.06 7.0 0.559 96.4 9.78 8.0 0.579 75.2 8.62 9.0 0.615 56 7.65 10.0 0.690 37.7 6.73 11.0 0.748 21.7 5.57 12.0 0.787 7.9 4.48 13.0 0.816 ‑7.3 3 ...
Page 12
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.998 ‑7.4 23.34 0.5 0.947 ‑35.9 22.77 0.9 0.859 ‑60.9 21.71 1.0 0.839 ‑66.7 21.41 1.5 0.738 ‑91.8 19.86 1.9 0.671 ‑108.7 18.71 2.0 0.657 ‑112.7 18.44 2.5 0.595 ‑131.7 17.19 3.0 0.552 ‑149.8 16.07 4.0 0.513 175.4 14.2 5.0 0.521 143.8 12.58 6.0 0.536 118.3 11.1 7.0 0.557 96.5 9.83 8.0 0.577 75.3 8.67 9.0 0.613 56.2 7.71 10.0 0.687 38 6.81 11.0 0.746 22 5.67 12.0 0.787 8.1 4.59 13.0 0.816 ‑7 3 ...
Page 13
... ATF-55143 Typical Scattering Parameters, V Freq GHz Mag. Ang. dB 0.1 0.996 ‑7.9 24.3 0.5 0.937 ‑38.1 23.64 0.9 0.840 ‑64.1 22.44 1.0 0.819 ‑70.1 22.11 1.5 0.712 ‑95.7 20.43 1.9 0.646 ‑112.8 19.2 2.0 0.631 ‑116.8 18.91 2.5 0.571 ‑135.8 17.59 3.0 0.531 ‑153.9 16.42 4.0 0.499 171.8 14.49 5.0 0.512 140.9 12.84 6.0 0.529 116 11.35 7.0 0.552 94.7 10.07 8.0 0.573 73.9 8.91 9.0 0.609 55.1 7.94 10.0 0.684 37.3 7.05 11.0 0.744 21.6 5.91 12.0 0.786 7.9 4.83 13.0 0.816 ‑7.2 3 ...
Page 14
... ATF-55143 Applications Information Introduction Avago Technologies’ ATF‑55143 is a low noise enhancement mode PHEMT designed for use in low cost commercial applications in the VHF through 6 GHz fre‑ quency range. As opposed to a typical depletion mode PHEMT where the gate must be made negative with respect to the source for proper operation, an enhance‑ ...
Page 15
... Q2 Vdd Figure 2. Typical ATF-55143 LNA with Active Biasing. An active bias scheme is shown in Figure 2. R1 and R2 provide a constant voltage source at the base of a PNP transistor at Q2. The constant voltage at the base raised by 0.7 volts at the emitter. The constant emitter voltage plus the regulated V supply are present across DD resistor R3. Constant voltage across R3 provides a con‑ ...
Page 16
... Fc=0.65 Tau= Rgd=0.5 Ohm Tnom=16.85 Rd=2.025 Ohm Idstc= Rg=1.7 Ohm Ucrit=-0.72 Vgexp=1.91 Rs=0.675 Ohm Gamds=1e-4 Ld= Vtotc= Lg=0.094 nH Betatce= Ls= Rgs=0.5 Ohm Cds=0.100 pF Rc=390 Ohm ATF-55143 ADS Package Model INSIDE Package VAR Var Egn VAR1 K=5 Z2=85 Z1= GATE C=0.143 pF L Port TLINP TLINP L1 G TL4 TL3 L=0 ...
Page 17
... V2 D=20.0 mil H=25.0 mil T=0.15 mil Rho=1.0 W=40.0 mil Figure 3. Adding Vias to the ATF-55143 Non-Linear Model for Comparison to Measured S and Noise Parameters. 17 For Further Information The information presented here is an introduction to the use of the ATF‑55143 enhancement mode PHEMT. More detailed application circuit information is available from Avago Technologies. Consult the web page or your local Avago Technologies sales representative ...
Page 18
... Losses as high as 0 greater add to the typi‑ cal 0. figure of nearly 0.65 dB. A discussion concerning cal‑ culated and measured circuit losses and their effect on amplifier noise figure is covered in Avago Technologies , then the noise fig‑ Application 1085. o based on the ...
Page 19
... Ordering Information Part Number ATF‑55143‑TR1G ATF‑55143‑TR2G ATF‑55143‑BLKG Package Dimensions Outline 43 (SOT-343/SC70 lead) Dimensions Symbol Min (mm) E 1.15 D 1.85 HE 1.80 A 0.80 A2 0.80 A1 0.00 b 0.25 b1 0.55 c 0.10 L 0.10 Note: 1. All dimensions are in mm. 2. Dimensions are inclusive of plating. 3. Dimensions are exclusive of mold flash and metal burr. ...
Page 20
Recommended PCB Pad Layout for Avago's SC70 4L/SOT-343 Products (dimensions in inches/mm) Device Orientation REEL CARRIER TAPE USER FEED DIRECTION COVER TAPE 20 TOP VIEW END VIEW ...
Page 21
... For product information and a complete list of distributors, please go to our web site: Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies Limited. in the United States and other countries. Data subject to change. Copyright © 2008 Avago Technologies Limited. All rights reserved. Obsoletes 5989-3750EN ...