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| Datasheet File OCR Text: |
| REV B www.wantcominc.com 1.8 - 4.0 GHz LOW NOISE AMPLIFIER WHM2040AE1 WHM2040AE LNA is a low noise figure, wideband, and high linear SMT packaged amplifiers with unconditional stable design. The amplifier offers typical 1.10 dB noise figure and 26 dBm output IP3 at the frequency range from 1.8 GHz to 4.0 GHz of DCS, PCS, 3G, ISM, S, and C bands. WHM2040AE LNA is most suitable for cellular base stations, wireless data communications, tower top receiver amplifiers, last-mile wireless communication systems, and wireless measurement applications. WHM2040AE is designed to meet the rugged standards of MIL-STD-202 and MIL-STD-883. Key Features: Impedance: MTBF2: LGA (land grid array) package: Unconditional Stable: Low Noise: Output IP3: Gain: P1dB: Single power supply: Frequency Range: Operating Temperature: Return Losses: Small size: Built-in Functions: 50 Ohm >600,000 hrs (68 Years) 6-pin k>1 1.10 dB 26.0 dBm 26.0 dB 13.0 dBm 50 mA @ +5V 1.8 ~ 4.0 GHz -40 ~ +85 C 16 dB Typical 0.30" x 0.30" x 0.060" (7.62 mm x 7.62 mm x 1.52 mm) DC blocks at input and output, temperature compensation circuits, and auto DC biases. Absolute Maximum Ratings3: Symbol Vdd Idd Pdiss PIn,Max Tch TSTG TO,MAX Rth,c Parameters DC Power Supply Voltage Drain Current Total Power Dissipation RF Input Power Channel Temperature Storage Temperature Maximum Operating Temperature Thermal Resistance Units V mA mW dBm C C C C/W Absolute Maximum 7.0 70 400 10 150 -65 ~ 150 -55 ~ 100 215 Specifications are subject to change without notice. MTBF: Mean Time Between Failure, Per TR-NWT-000332, ISSUE 3, SEPTEMBER, 1990, T=40 oC 3 Operation of this device above any one of these parameters may cause permanent damage. 1 2 1 REV B www.wantcominc.com Specifications: a) Table 1 Summary of the electrical specifications WHM2040AE at room temperature Index 1 2 3 4 5 6 7 8 9 10 11 12 13 Testing Item Gain Gain Variation Input Return Loss Output Return Loss Reverse Isolation Noise figure Output Power 1dB compression Point Output-Third-Order Interception point Current Consumption Power Supply Voltage Thermal Resistance Operating Temperature Maximum Average RF Input Power Symbol S21 G S11 S22 S12 NF P1dB IP3 Idd Vdd Rth,c To PIN, MAX Test Constraints 1.8 - 4.0 GHz 1.8 - 4.0 GHz 1.8 - 4.0 GHz 1.8 - 4.0 GHz 1.8 - 4.0 GHz 1.8 - 4.0 GHz 1.8 - 4.0 GHz Two-Tone, Pout +0 dBm each, 1 MHz separation Vdd= +5 V Junction to case Nom (RT) 26 +/- 1 18 18 45 1.10 13 26 50 +5 Min 25 Max +/- 1.3 Unit dB dB dB dB dB 14 14 40 1.4 12 24 45 +4.7 -40 55 +5.3 215 +85 10 dB dBm dBm mA V o o C/W C 1.8 - 4.0 GHz dBm b) Passband Frequency Response As shown in Figure 1, the typical gain of the WHM2040AE is 26.0 dB across 1.8 to 4.0 GHz. The typical input and output return losses are 18 dB across the frequency of 1.8 to 4.0 GHz. Figure 2 shows the measured P1dB and IP3 of the WHM2040AE. The typical P1dB and IP3 are 13.0 dBm and 26.0 dBm in the frequency range of 1.8 to 4.0 GHz, respectively. Figure 3 illustrates the measured noise figure performance at full temperature. The measured results include the test fixture loss of approximately 0.10 dB. The noise figure is 1.10 ~ 1.30 dB across the frequency range of 1.8 to 4.0 GHz at room temperature. At 85 0C, WHM2040AE only has 0.30 dB noise increases. At -40 0C, WHM2040AE offers approximately 0.25 dB less noise figure than that at room temperature. Figure 4 demonstrates the stability factor k of the amplifier. It is greater than 1.0 in any frequency band and the amplifier is unconditional stable. Figure 5 is the block diagram of internal circuit of WHM2040AE. It is a two-stage amplifier with the DC block capacitors at the input and output RF ports. All the RF matching networks, DC bias circuitries, and temperature compensation circuits are built in. Figure 6 demonstrates the application schematic diagram of WHM2040AE. It may require one external decoupling capacitor of 0.01 uF to build a LNA with WHM2040AE. The +5V DC can be applied at Pin 3. No DC block capacitor is required for both input and output RF ports. The NC pins connected to ground are recommended. For +5V line trace length being longer than 6 inch without a decoupling capacitor, an additional 0.01 ~ 0.1 uF decoupling capacitor with minimum rating voltage of 10V may be needed across the +5V line to ground. The capacitor must be rated in the temperature range of -40 0C to 85 0C to ensure the entire circuit working in the specified temperature range. Figure 7 shows the mechanical outline and recommended motherboard layout of WHM2040AE. Plenty of ground vias on the motherboard are essential for the RF grounding. The width of the 50-Ohm lines at the input and output RF ports may be different for different property of the substrate. 2 REV B www.wantcominc.com 50 40 30 20 10 dB WHM2040AE Perform ance @ 25 C S11 S21 S12 S22 35 30 25 dBm WHM2040AE IP3 and P1dB IP3 (dBm) 20 15 10 5 Freq (GHz) P1dB (dBm) 0 -10 -20 -30 -40 -50 0.50 Freq (GHz) 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 0 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 FIG. 1 Typical small signal performance. FIG. 2 Typical P1dB and IP3 at room temperature. 2.0 1.8 1.6 1.4 1.2 WHM2040AE Noise Figure 10 9 8 7 6 5 4 3 2 k WHM2040AE Stability factor k dB 1.0 0.8 0.6 0.4 0.2 0.0 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 25C -40C 85C Freq (GHz) k Limit 1 0 Freq (GHz) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 FIG. 3 Noise figure performance at full temperature FIG. 4 Measured stability factor k FIG. 5 Block diagram of internal circuit. FIG. 6 Typical application schematic for WHM2040AE 3 REV B www.wantcominc.com WHM2040AE Mechanical Outline, WHM-2: FIG. 7 WHM2040AE outline Ordering Information Model Number WHM2040AE Waffle pack with the capacity of 81 pieces (9 x 9) is used for the packing. Contact factory for tape and reel packing option for higher volume requirements. 4 REV B www.wantcominc.com Small Signal S-Parameters: !WHM2040AE !s-parameters at Vdd=5V, Idd=50 mA, including the test board. !Last updated 1/26/04. # GHZ s MA R 50 !F(GHz) 0.05 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5 5 5.5 6 ****** MAG S11 ANG S11 MAG S21 ANG S21 MAG S12 ANG S12 MAG S22 ANG S22 0.995 0.984 0.796 0.470 0.835 0.862 0.846 0.818 0.773 0.721 0.648 0.560 0.463 0.366 0.276 0.202 0.142 0.102 0.075 0.073 0.080 0.089 0.104 0.111 0.121 0.126 0.132 0.133 0.134 0.139 0.136 0.132 0.127 0.126 0.125 0.120 0.118 0.123 0.129 0.150 0.166 0.195 0.234 0.284 0.327 0.368 0.582 0.720 0.791 -17.7 -31.3 -89.4 46.1 -30.9 -61.3 -85.1 -106.6 -127.8 -149.5 -172.4 164.2 140.9 117.3 94.1 69.9 43.6 12.7 -26.8 -69.0 -99.7 -125.1 -145.3 -160.8 -177.0 171.6 158.6 143.6 132.3 122.4 110.1 96.2 81.5 71.7 54.9 37.7 18.1 1.9 -23.0 -44.0 -65.7 -84.7 -103.7 -121.1 -139.0 -155.2 127.6 57.3 -6.1 0.003 0.026 0.406 1.145 1.795 2.476 3.778 6.112 9.485 13.289 16.899 19.914 22.149 23.560 24.222 24.349 24.062 23.591 22.980 22.424 21.911 21.401 20.886 20.472 20.070 19.762 19.520 19.328 19.092 18.925 18.817 18.763 18.668 18.716 18.799 18.856 18.933 19.053 19.194 19.289 19.264 19.162 18.900 18.448 17.832 17.093 11.628 6.807 4.135 3.7 -13.3 -80.2 -151.6 161.7 140.4 125.1 106.0 80.7 52.7 23.7 -4.6 -31.8 -57.2 -80.9 -102.8 -123.2 -142.2 -160.0 -176.9 166.9 151.5 136.7 122.1 107.8 93.5 79.9 66.5 52.9 39.3 25.8 12.5 -1.0 -14.6 -28.1 -41.6 -55.5 -69.7 -84.4 -99.4 -114.6 -130.2 -146.0 -162.4 -179.3 164.2 82.4 7.7 -57.8 0.000020 0.000054 0.000266 0.000669 0.000676 0.000870 0.001285 0.001660 0.001956 0.002356 0.002695 0.002946 0.003186 0.003406 0.003666 0.003783 0.003929 0.004076 0.004189 0.004341 0.004419 0.004493 0.004453 0.004527 0.004541 0.004538 0.004540 0.004491 0.004439 0.004433 0.004373 0.004198 0.004182 0.004042 0.003727 0.003602 0.003230 0.003022 0.002609 0.002113 0.001530 0.000738 0.000544 0.000944 0.001836 0.002697 0.006909 0.009219 0.009532 -40.6 -141.2 -159.6 97.3 55.8 30.6 1.3 -30.9 -68.4 -101.4 -131.7 -159.5 178.6 158.6 139.8 125.3 110.3 97.2 85.5 73.3 63.5 54.8 45.0 37.8 29.5 23.2 14.8 7.3 -0.6 -6.9 -15.3 -21.0 -27.8 -36.9 -44.3 -49.7 -57.5 -65.9 -77.0 -87.1 -106.4 -132.0 162.3 95.7 71.4 57.0 -3.4 -45.2 -82.3 0.984 0.953 0.881 0.808 0.745 0.684 0.598 0.486 0.357 0.240 0.154 0.091 0.059 0.055 0.069 0.085 0.096 0.104 0.112 0.118 0.122 0.122 0.126 0.126 0.126 0.125 0.127 0.127 0.122 0.124 0.122 0.114 0.109 0.106 0.097 0.087 0.085 0.085 0.095 0.116 0.147 0.196 0.245 0.301 0.366 0.432 0.677 0.782 0.815 -15.8 -25.8 -49.4 -71.1 -92.3 -115.5 -140.9 -166.7 169.4 150.2 136.9 132.0 145.2 162.3 169.1 162.1 151.0 137.6 124.8 111.8 96.5 84.2 71.4 58.1 45.6 32.4 20.7 7.5 -4.3 -16.7 -28.5 -43.3 -58.0 -73.3 -92.8 -112.2 -139.3 -169.7 158.6 127.9 104.6 81.3 59.8 41.1 23.3 6.2 -71.5 -132.3 174.2 5 |
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