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| High Dynamic Range CATV Amplifier AH22 The Communications Edge TM Product Features * 50-860 MHz Bandwidth * -61 dBc CTB, 110 Channels, * Product Description The AH22 is a high dynamic range amplifier targeting cable TV markets. A combination of gain flatness, high linearity and bandwidth make it ideal for CATV distribution, cable modem and laser diode driver applications. The device is designed for 75 systems and packaged for push-pull operation. A mature and reliable GaAs MESFET technology is employed to maximize linearity at low power dissipation. The package is a thermally enhanced SOIC-8 and all devices are 100% RF tested. Functional Diagram 8 7 6 5 * * * * * * Specifications Parameter 40 dBmV -63 dBc CSO, 110 Channels, 40 dBmV 4.5 dB Noise Figure 11.3 dB Gain 23 dBm P1dB Surface Mount Thermally enhanced SOIC-8 pkg Single +5 Volt Supply 1 2 3 4 Pin No. 1 2,3,6,7 4 5 8 Function Input 1 Ground Input 2 Output/Bias2 Output/Bias1 Units MHz dB dB dB dB dBm dBm dB dBm dBc dBc dBc dBc mA V Minimum Typical 50-860 11.3 11.0 -12 -12 41 65 4.5 23 -63 -58 -61 -59 Maximum 50 MHz 860 MHz Condition Frequency Range S21-Gain S21-Gain S11-Input Return Loss S22-Output Return Loss Output IP3 Output IP2 Noise Figure Output P1dB CSO CSO CTB CTB Operating Current Range Supply Voltage 240 300 5 360 71.7 dBmV 110 channels, 50-750 MHz, 40 dBmV output/channel 135 channels, 50-860 MHz, 39 dBmV output/channel 110 channels, 50-750 MHz, 40 dBmV output/channel 135 channels, 50-860 MHz, 39 dBmV output/channel Vdd = 5.0 V Test conditions unless otherwise noted. T = 25C, Vdd = 5.0 V, 75 system. 1. Typical specifications reflect AH22 measured with external matching circuits. 2. OIP3 measured with 2 tones at an output power of 8 dBm/tone separated by 10 MHz. The suppression on the largest IM3 product is used to calculate OIP3 using a 2:1 slope rule. Absolute Maximum Ratings Parameter Operating Case Storage Temperature Junction Temperature Thermal Resistance (JC) Supply Voltage Input RF Power (continuous) Rating -40 to +85C -40 to +125C +155C 28C/W +6.0 V +13 dBm Ordering Information Part No. AH22 Description High Dynamic CATV Range Amplifier (Available in tape and reel) AH22-PCB Fully Assembled Application Circuit 50-860 MHZ AH22DUAL-PCB Fully Assembled Application Circuit, Dual AH22 Operation of this device above any of these parameters may cause permanent damage. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 AH22 Push-Pull Circuit: 50-860 MHz Typical Performance (75 Ohm System) Frequency 50 MHz 450 MHz 750 MHz 860 MHz Magnitude S21 11.7 dB 11.7 dB 11.4 dB 11.3 dB Magnitude S11 -11.0 dB -12.3 dB -11.7 dB -15.6 dB Magnitude S22 -13.2 dB -11.9 dB -11.4 dB -12.3 dB OIP2 72.0 dBm 70 dBm 72 dBm 70 dBm OIP3 42.0 dBm 43 dBm 41 dBm 40 dBm Bias Vds = 5 V, Id = 300 mA Multi-channel Measurements CSO CTB XMOD Schematic C = 1000 pF Intercept Point (dBm) DC +5 V R = 560 L = 5.6 nH C = 1.5 pF RF IN 6 turns bifilar wire around ferrite core C = 1.5 pF L = 5.6 nH R = 560 4 or more Via Grounds req. AH22 C = 100 pF L = 470 nH Or MaCOM ETCI-1-13 SMT balun C = 100 pF 15 10 Magnitude (dB) 5 0 -5 -10 -15 -20 0 S11 S21 Performance Charts S-Parameters S22 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) -63 dBc -61 dBc -61 dBc 750 MHz 750 MHz 750 MHz 110 channels 110 channels 110 channels +40 dBmV/ch, Flat +40 dBmV/ch, Flat +40 dBmV/ch, Flat 80 70 60 50 40 Linearity vs. Frequency OIP2 L = 470 nH 6 turns bifilar wire around ferrite core RF OUT OIP3 30 20 10 0 0 V=5V I = 290 mA 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) DC +5 V C = 1000 pF Core: TDK H5C2-T3.1-1.3-1.3 Wire: MWS B2383211 FR4 Board Layout (T = 28 Mils to ground plane) Interior Trans. Lines Z = 37.5 Ohm 0603 Package C = 1000 pF +5 V 1008 Package L = 5.6 nH 0603 Package R = 560 ohm 0603 Package C = 100 pF L = 470 nH Coilcraft 1008 Package 0603 Package C = 1000 pF AH22 0603 Package C = 1000 pF 0402 Package C = 1.5 pF 1008 Package L = 5.6 nH 0603 Package R = 560 ohm 0603 Package C = 100 pF L = 470 nH Coilcraft 1008 Package +5 V 0603 Package C = 1000 pF Note: Balun and board losses have not been extracted but typically account for 0.4 dB loss midband and 1.1 dB loss at 860 MHz. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 Dual Push-Pull Circuit: 50-860 MHz Typical Performance (75 Ohm System) Frequency 50 MHz 450 MHz 750 MHz 860 MHz Magnitude S21 13.3 dB 13.3 dB 12.5 dB 12.3 dB Magnitude S11 -21.0 dB -18.0 dB -21.0 dB -16.2 dB Magnitude S22 -16.4 dB -18.2 dB -20.2 dB -17.1 dB OIP2 73.0 dBm 72 dBm 75 dBm 76 dBm OIP3 45.0 dBm 49 dBm 46 dBm 47 dBm Bias Vds = 5 V, Id = 600 mA Schematic DC +5 V R = 560 L = 3.3 nH C = 100 pF L = 470 nH C = 1000 pF 6 turns bifilar wire around ferrite core or MaCOM ETCI-1-13 Surface Mount balun RF OUT Performance Charts S-Parameters 15 10 5 Magnitude (dB) 0 -5 -10 -15 -20 -25 0 S11 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) S22 S21 6 turns bifilar wire around ferrite core Linearity vs. Frequency 80 OIP2 70 Intercept Point (dBm) 60 50 OIP3 40 30 V=5V I = 600 mA 0 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) C = 1000 pF RF IN 8 or more Via Grounds req. C = 1000 pF L = 3.3 nH R = 560 C = 100 pF DC +5 V C = 1000 pF Core: TDK H5C2-T3.1-1.3-1.3 Wire: MWS B2383211 L = 470 nH 20 FR4 Board Layout (T = 28 Mils to ground plane) Interior Trans. Lines Z = 37.5 Ohm 0603 Package C = 1000 pF +5 V L = 470 nH Coilcraft 1008 Package GND 0603 Package L = 3.3 nH 0603 Package R = 560 ohm 0603 Package C = 100 pF 0603 Package C = 1000 pF AH22 AH22 0603 Package C = 1000 pF 0603 Package L = 3.3 nH 0603 Package R = 560 ohm 0603 Package C = 100 pF L = 470 nH Coilcraft 1008 Package 0603 Package C = 1000 pF +5 V Note: Balun and board losses have not been extracted but typically account for 0.4 dB loss midband and 1.1 dB loss at 860 MHz. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 Outline Drawing Land Pattern Mounting Configuration WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 AH22 Typical Test Data S-Parameters, single unmatched device (Vdd = +5 V, Ids = 150 mA, T = 22C, Z = 75 ) Freq. (MHz) 10 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 S11 (dB) -12.892 -12.870 -12.672 -12.356 -11.872 -11.476 -11.056 -10.449 -9.960 -9.505 -9.051 -8.599 -8.188 -7.855 -7.497 -7.154 -6.889 -6.565 -6.298 -6.104 -5.852 S11 Ang -2.166 -11.286 -23.045 -33.366 -42.817 -52.297 -60.214 -67.937 -74.745 -80.896 -86.735 -92.061 -97.267 -101.536 -106.143 -110.057 -114.001 -117.238 -120.930 -124.039 -127.205 S21 (dB) 17.059 17.067 17.043 16.967 16.894 16.801 16.723 16.619 16.514 16.376 16.220 16.067 15.918 15.725 15.515 15.370 15.171 14.956 14.785 14.586 14.378 S21 Ang 179.076 176.030 172.073 168.036 164.326 160.805 157.092 153.456 149.951 146.241 142.910 139.571 136.143 132.858 129.818 126.785 123.633 120.846 118.193 115.177 112.740 S12 Mag 0.050 0.051 0.051 0.051 0.051 0.051 0.052 0.053 0.053 0.054 0.055 0.056 0.057 0.057 0.058 0.058 0.059 0.059 0.060 0.060 0.061 S12 Ang -0.502 0.301 0.703 0.964 1.258 1.800 1.771 1.858 2.304 1.529 1.348 1.105 0.884 -0.090 -0.565 -0.719 -1.741 -2.484 -3.030 -4.081 -4.826 S22 (dB) -36.560 -37.190 -31.958 -28.320 -26.196 -24.523 -23.104 -21.819 -20.846 -20.003 -19.114 -18.350 -17.773 -17.233 -16.631 -16.162 -15.749 -15.276 -14.928 -14.636 -14.283 S22 Ang -65.063 -72.212 -82.160 -90.551 -94.845 -100.971 -103.565 -105.985 -108.359 -110.824 -114.155 -115.873 -119.083 -120.438 -122.901 -125.464 -127.412 -129.278 -131.457 -133.161 -135.168 This document contains information on a new product. Specifications and information are subject to change without notice. Caution! ESD sensitive device. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 |
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