Features • • • • • • Low Noise Figure High Small Signal Gain Single +2.7 V Operation Power-up Control 50 Ω Output Unconditionally Stable • Low Power Consumption < 10 mW • Very Small, PLLP6 Package (1.6 mm × 2.0 mm) • Few External Components 2.7-V GPS Low-noise Amplifier Electrostatic sensitive device. Observe precautions for handling. ATR0610 Benefits Preliminary Description The ATR0610 is a 2.7-V GPS low-noise amplifier IC designed for use in GPS applications. It uses a SiGe HBT die. The IC is 50-W matched on the output allowing the device to be used with minimal external circuitry. Its RF performance meets the requirements for products designed to the GPS standard. The ATR0610 gives excellent RF performance with low current consumption resulting in longer battery life times. The package has a small 1.6 mm ´ 2.0 mm footprint to allow use in compact GPS receiver design. Figure 1. Block Diagram PU Cblock = 1 nF PU Mode Lseries = 3.9 nH PD Mode ATR0610 RF-Input RF-Output Cshunt = 1.5 pF GND VCC Rev. 4573C–GPS–02/03 1 Pin Description Pin Symbol 1 VCC 2 RF_OUT 3 DC_GND 4 RF_IN 5 RF_GND 6 PU Function Supply voltage Signal output Ground Input for received signal Ground for RF stage Power up Absolute Maximum Ratings Parameters Symbol Value Unit Supply voltage VCC -0.3 to +3.7 V Power-up Voltage VPU -0.3 to +3.7 V Input power Pin -5 dBm Operating temperature Top -40 to +85 °C Storage temperature Tstg -55 to +125 °C Symbol Value Unit Rth TBD K/W Thermal Resistance Parameters Thermal resistance Electrical Characteristics VCC = 2.7 V, VPU = 1.8 V, f = 1575 MHz, Tamb = 25°C, Zload = 50 W (see Figure 1) Minimum/maximum limits are at +25°C ambient temperature, unless otherwise specified. No. Parameters 1 Operating frequency 2 Supply voltage 3 Operating current 4 Power-down current 5 Small signal gain 6 Minimum noise figure Test Conditions Pin Symbol RF_IN f VCC VCC 2.7 3 RF ON (VPU = 1.8 V) VCC I 3 3.3 RF OFF(VPU = 0 V) VCC IPD G Min. Typ. Max. Unit Type* MHz D 3.3 V C 3.5 mA A nA A 17 dB A 1575.42 500 15 16 NFmin 1.5 dB C Noise figure Using the proposed input matching (see Figure 1) NF 1.6 dB C 8 Input referred 1 dB compression point Caused by a DCS blocker at 1710 MHz Icp1 -9 dBm A 9 Input 3rd-order intercept point f1 = 1750 MHz f2 = 1925 MHz IIP3 -1 dBm C 10 Input 3rd-order intercept point (inband) f1 = 1575 MHz f2 = 1577 MHz IIP3inb -3 dBm C 11 Input return loss 7 12 Output return loss RLin 10 11 dB C RLout 11 12 dB C *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter 2 ATR0610 4573C–GPS–02/03 ATR0610 Electrical Characteristics (Continued) VCC = 2.7 V, VPU = 1.8 V, f = 1575 MHz, Tamb = 25°C, Zload = 50 W (see Figure 1) Minimum/maximum limits are at +25°C ambient temperature, unless otherwise specified. No. 13 Parameters Test Conditions Pin Symbol Min. 2 Reverse isolation 1/|S12| Typ. Max. 30 Unit Type* dB C 14 Control voltage Power-up mode PU VPU,high 1.2 1.8 3.3 V C 15 Control current Power-up mode PU IPU,high 0 10 50 µA C 16 Control voltage Power-down mode PU VPU,low 0 0.2 0.4 V C 17 Control current Power-down mode PU IPU,low 0.7 µA C *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter 3 4573C–GPS–02/03 Measurement Results Matched Device (see Figure 1) Figure 2. Gain and Maximum Available Gain 30.0 Gmax 20.0 10.0 Gain Gain (dB) 0.0 -10.0 -20.0 -30.0 -40.0 -50.0 -60.0 0 500 1000 1500 2000 2500 3000 2000 2500 3000 2000 2500 3000 f (MHz) Figure 3. Input and Output Return Loss 0.0 RLout RLin, RLout (dB) -5.0 -10.0 RLin -15.0 -20.0 -25.0 0 500 1000 1500 f (MHz) Figure 4. Reverse Transfer Function 0 -10 -20 -30 S12 (dB) -40 -50 -60 -70 -80 -90 -100 0 500 1000 1500 f (MHz) 4 ATR0610 4573C–GPS–02/03 ATR0610 Figure 5. K Factor ( => Unconditional Stability) 10.0 9.0 8.0 K Factor 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 500 1000 1500 2000 2500 3000 f ( MHz) Table 1. Measured Scattering Parameters of Matched Device (Given as Linear Magnitude and Phase in Degree) |S21| |S12| f /MHz |S11| 60 0.897 ϕ(S11) -9.9 0.06 ϕ(S21) -96.1702 0.0006 120 0.891 -25.6 0.17 -98.98544 180 0.886 -37.4 0.26 -113.4846 240 0.891 -49.4 0.34 -128.3148 0.0008 -86.0 300 0.894 -61.9 0.32 -145.6032 0.0021 -137.8 360 0.890 -74.3 0.26 -128.5304 0.0014 153.2 420 0.879 -86.0 0.41 -113.438 0.0022 149.7 480 0.876 -97.1 0.62 -117.7927 0.0037 147.3 540 0.872 -108.2 0.83 -125.7797 0.0039 143.4 600 0.869 -118.8 1.07 -135.3626 0.0043 660 0.872 -129.8 1.34 -144.9783 0.0063 720 0.874 -140.7 1.66 -155.2931 780 0.878 -153.0 2.04 -168.018 840 0.813 -165.3 2.30 177.8467 0.0152 73.6 900 0.806 -172.6 2.64 169.357 0.0126 71.9 |S22| K Factor ϕ(S12) 19.5 0.998 ϕ(S22) -6.6 0.0008 84.2 0.996 -17.4 5.5 0.0002 173.8 0.991 -26.1 43.3 0.987 -34.4 10.1 0.981 -42.8 6.5 0.979 -51.4 12.3 0.973 -60.1 7.4 0.965 -69.3 4.4 0.958 -78.0 3.8 142.5 0.948 -87.1 3.4 130.7 0.935 -96.9 2.5 0.0101 127.3 0.920 -106.6 1.7 0.0144 108.8 0.893 -116.9 1.5 0.863 -126.3 2.0 0.853 -137.2 2.1 13.5 960 0.813 176.5 3.17 157.1773 0.0185 79.4 0.817 -149.8 1.6 1020 0.809 164.4 3.78 143.6133 0.0237 67.9 0.767 -163.0 1.4 1080 0.785 150.1 4.34 128.2928 0.0318 51.1 0.693 -176.6 1.3 1140 0.732 135.5 4.93 111.4632 0.0399 35.3 0.598 168.3 1.3 1200 0.637 118.7 5.30 92.48291 0.0491 11.0 0.466 155.8 1.3 1260 0.522 107.6 5.32 76.71066 0.0494 -10.0 0.381 147.9 1.5 1320 0.378 98.0 5.24 63.20023 0.0517 -36.7 0.325 141.9 1.7 1380 0.311 108.3 5.33 56.22391 0.0385 -63.8 0.358 125.1 2.1 1440 0.325 97.5 6.14 41.04218 0.0326 -62.8 0.270 88.5 2.3 1500 0.287 88.9 6.51 25.58716 0.0307 -74.9 0.212 52.2 2.4 5 4573C–GPS–02/03 Table 1. Measured Scattering Parameters of Matched Device (Given as Linear Magnitude and Phase in Degree) (Continued) f /MHz |S11| 0.257 ϕ(S11) 73.3 6.77 ϕ(S21) 8.313904 0.0320 ϕ(S12) -76.5 0.207 ϕ(S22) -1.0 K Factor 1560 |S21| |S12| |S22| 1620 0.180 59.1 6.58 -8.583069 0.0355 -93.7 0.202 -46.0 2.1 1680 0.175 46.3 6.79 -22.98477 0.0281 -107.7 0.268 -62.3 2.5 1740 0.160 3.9 6.78 -40.46539 0.0263 -103.6 0.358 -81.5 2.4 1800 0.152 -43.9 6.33 -57.3143 0.0297 -112.5 0.411 -101.3 2.2 1860 0.187 -77.9 5.95 -73.04535 0.0288 -121.8 0.453 -116.8 2.2 1920 0.249 -104.8 5.58 -87.41135 0.0310 -132.7 0.471 -129.8 2.1 1980 0.314 -122.7 5.15 -100.7899 0.0285 -142.7 0.487 -139.2 2.3 2040 0.389 -137.6 4.71 -114.63 0.0307 -154.3 0.492 -150.3 2.1 2100 0.450 -151.0 4.33 -127.6309 0.0305 -171.1 0.476 -156.8 2.2 2160 0.514 -162.2 3.99 -138.8933 0.0328 175.1 0.452 -162.0 2.1 2220 0.564 -172.4 3.71 -151.1952 0.0333 148.3 0.443 -152.8 2.1 2280 0.621 179.3 3.45 -166.5967 0.0205 110.4 0.645 -158.2 2.5 2340 0.678 169.7 3.08 -178.6954 0.0100 118.3 0.708 -173.7 4.1 2400 0.722 160.6 2.66 170.4748 0.0071 129.9 0.722 175.9 5.7 2460 0.762 152.2 2.39 158.4146 0.0056 136.8 0.738 167.1 6.7 2520 0.793 144.0 2.14 148.5269 0.0042 129.5 0.742 158.8 8.7 2580 0.821 136.5 1.87 139.0457 0.0047 134.1 0.750 151.3 7.5 2640 0.839 129.4 1.65 127.6694 0.0032 158.1 0.762 143.8 11.3 2700 0.857 122.3 1.50 118.4024 0.0048 168.3 0.768 136.4 6.9 2760 0.876 115.8 1.30 109.0173 0.0047 173.3 0.774 129.3 7.1 2820 0.886 109.5 1.13 98.04062 0.0056 -171.8 0.775 121.4 6.3 2880 0.900 103.2 0.99 88.75305 0.0058 -173.3 0.775 113.9 6.2 2940 0.908 97.4 0.84 80.06287 0.0069 175.4 0.775 106.6 5.6 3000 0.914 91.3 0.71 69.79065 0.0086 167.6 0.761 98.8 5.2 2.2 Figure 6. Gain versus Blocker at 1710 MHz (Compression) 20.0 18.0 16.0 Gain (dB) 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 -50 -40 -30 -20 -10 0 10 CW blocking power (dBm) 6 ATR0610 4573C–GPS–02/03 ATR0610 Figure 7. Out of Band Intermodulation Product 3rd Order (IP3) 40.0 IP3 Pout ( dBm) 20.0 0.0 -20.0 -40.0 -60.0 -80.0 -50 -40 -30 -20 -10 0 10 Pin (dBm) Figure 8. Inband Intermodulation Product 3rd Order (Inband IP3) 40.0 Inband IP3 20.0 Pout (dBm) 0.0 -20.0 -40.0 -60.0 -80.0 -50 -40 -30 -20 -10 0 10 Pin (dBm) Figure 9. Noise Figure without any De-embedding 3.0 2.5 NF (dB) 2.0 1.5 1.0 0.5 0.0 1.25 1.38 1.50 1.63 1.75 1.88 2.00 f (GHz) 7 4573C–GPS–02/03 Figure 10. Reference Planes of Unmatched Device PU Mode PU PD Mode Cblock = 1 nF ATR0610 RF-Output RF-Input Port 1 Port 2 GND VCC Unmatched Device Table 2. Measured Scattering Parameters of Unmatched Device (De-embedded) (Given as Linear Magnitude and Phase in Degree) f/MHz 1.400 |S11| 0.725 ϕ(S11) -116.0 |S21| 6.04 ϕ(S21) 132.8 |S12| 0.028 ϕ(S12) 63.1 |S22| 0.400 ϕ(S22) 104.5 1.425 1.450 0.712 0.698 -117.7 -119.3 6.12 6.17 127.7 122.6 0.030 0.031 58.2 53.0 0.366 0.332 94.5 83.6 1.475 1.500 0.682 0.666 -120.6 -122.0 6.19 6.18 117.6 112.7 0.032 0.033 47.7 42.0 0.303 0.278 72.2 60.2 1.525 1.550 0.647 0.630 -123.1 -123.9 6.16 6.10 108.1 103.8 0.033 0.034 35.9 29.5 0.258 0.244 47.4 35.0 1.575 1.600 0.610 0.592 -124.4 -124.6 6.05 5.98 99.6 95.8 0.034 0.034 22.5 15.9 0.240 0.240 22.5 10.8 1.625 1.650 0.573 0.558 -124.2 -123.3 5.93 5.92 92.4 89.4 0.034 0.032 7.8 -1.0 0.249 0.276 1.5 -7.1 1.675 1.700 0.552 0.556 -121.7 -120.5 5.99 6.05 86.0 82.0 0.029 0.026 -9.0 -15.3 0.315 0.360 -16.6 -27.3 1.725 1.750 0.565 0.573 -120.0 -120.1 6.10 6.10 77.5 72.9 0.022 0.020 -18.7 -20.0 0.404 0.443 -38.2 -48.6 Figure 11. Minimum Noise Figure NFmin (De-embedded) 3.0 2.5 NFmin (dB) 2.0 1.5 1.0 0.5 0.0 1.4 1.5 1.6 1.7 f (GHz) 8 ATR0610 4573C–GPS–02/03 ATR0610 Table 3. Raw Noise Data of Unmatched Device (de-embedded) f/GHz NFmin/dB |Γopt| φ(Γopt) Rn/Ω 1.400 1.51 0.31 98.07 8.89 1.425 1.46 0.31 98.55 8.71 1.450 1.45 0.31 100.00 9.30 1.475 1.43 0.31 100.16 9.13 1.500 1.43 0.31 101.78 8.70 1.525 1.38 0.32 103.08 9.15 1.550 1.49 0.31 104.16 9.41 1.575 1.49 0.31 106.49 8.78 1.600 1.57 0.28 109.84 9.05 1.625 1.50 0.30 110.74 8.22 1.650 1.54 0.31 112.12 8.41 1.675 1.52 0.31 113.20 8.61 1.700 1.52 0.31 113.33 8.40 1.725 1.65 0.28 116.76 8.61 1.700 1.52 0.31 113.33 8.40 1.725 1.65 0.28 116.76 8.61 1.750 1.62 0.31 115.03 8.24 Figure 12. Schematic of Application Board 9 4573C–GPS–02/03 Bill of Materials of Demo Board Component Reference Vendor Part Number/Remark C1 C2 Note: NPO Value Size/Package (1) 1 nF 0402 1.5 pF 0402 C3, C5 nc C20 10 uF 3216 C23 100 nF 0402 3.9 nH 0402 L1 TOKO LL1005-FH3N9 L5, L8 Würth Elektronik WE74476401 1210 R1 nc R5, R7 1W 0402 1. Other sizes are possible. Figure 13. Layout of Demo Board 10 ATR0610 4573C–GPS–02/03 ATR0610 Ordering Information Extended Type Number ATR0610-PQQ Package PLLP6 Remarks Area 1.6 mm ´ 2.0 mm, 0.5 mm pitch Package Information 11 4573C–GPS–02/03 12 ATR0610 4573C–GPS–02/03 Atmel Headquarters Atmel Operations Corporate Headquarters Memory 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-2600 Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland TEL (41) 26-426-5555 FAX (41) 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimhatsui East Kowloon Hong Kong TEL (852) 2721-9778 FAX (852) 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan TEL (81) 3-3523-3551 FAX (81) 3-3523-7581 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 436-4314 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France TEL (33) 2-40-18-18-18 FAX (33) 2-40-18-19-60 ASIC/ASSP/Smart Cards Zone Industrielle 13106 Rousset Cedex, France TEL (33) 4-42-53-60-00 FAX (33) 4-42-53-60-01 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany TEL (49) 71-31-67-0 FAX (49) 71-31-67-2340 1150 East Cheyenne Mtn. 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