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| Broadband CATV Amplifier, 50 - 1000 MHz Features * * * * * Low Cost Plastic SOT-89 Package 75 Ohm Input / Output Match -80 dBc CTB 2.7 dB Noise Figure 14.8 dB Gain MAAMSS0031 V2 Functional Schematic GND Description M/A-COM's MAAMSS0031 CATV amplifier is a GaAs MMIC which exhibits low distortion in a low-cost miniature surface mount plastic package. The MAAMSS0031 employs a monolithic single stage design featuring a convenient 75 ohm input/ output impedance that minimizes the number of external components required. The MAAMSS0031 provides low noise and high linearity. It is ideally suited for set top boxes, home gateways, and other broadband internet based appliances. The MAAMSS0031 is fabricated using M/A-COM's PHEMT process to realize low noise and low distortion. The process features full passivation for robust performance and reliability. Pin 1 RFIN GND RFOUT Pin Configuration PIN No. 1 2 3 PIN Name RFIN GND RFOUT Description RF Input Ground RF Output / Drain Supply Ordering Information Part Number MAAMSS0031 MAAMSS0031TR MAAMSS0031TR-3000 MAAMSS0031SMB-01 MAAMSS0031SMB-02 Absolute Maximum Ratings 1 Package Parameter RF Input Power Voltage Operating Temperature Storage Temperature Absolute Maximum 15 dBm 10.0 volts -40 C to +85 C -65 C to +150 C SOT-89 Plastic Package 1000 Piece Tape and Reel 3000 Piece Tape and Reel Sample Test Board (Includes 5 Samples) Enhanced IRL & Gain Sample Test Board (Includes 5 Samples) 1. Exceeding any one or combination of these limits may cause permanent damage to this device. Note: Reference Application Note M513 for reel size information. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Broadband CATV Amplifier, 50 - 1000 MHz MAAMSS0031 V2 Electrical Specifications: TA = 25C, Freq: 50 - 1000 MHz, VDD = +8 Volts, Z0 = 75 Ohms Parameter Gain Gain Flatness 2 Noise Figure Input Return Loss 2 Test Conditions Units dB dB dB dB dB Min. 14.0 -- -- -- -- -- -- -- -- -- Typ. 14.8 0.5 2.7 20 18 36 -80 -70 23 100 Max. 16.0 1.0 3.8 -- -- -- -- -- -- 130 Output Return Loss Output IP3 Composite Triple Beat, CTB Composite Second Order, CSO P1dB IDD + 8 Volts 6 MHz Spacing, -10 dBm output per tone 132 channels, +23 dBmV/channel at the output. 132 channels, +23 dBmV/channel at the output. dBm dBc dBc dBm mA 2. For improved Input Return Loss and Gain Flatness use the schematic and component values as indicated on page 4. Schematic Including Off-Chip Components Recommended Board Layout Pin 1 L2 RFIN C1 C4 R1 C3 C2 L1 VDD RFOUT Off-Chip Component Values Component C1 C2 C3 C4 L1 L2 R1 Value 0.01 F 0.01 F 0.01 F 0.01 F 560 nH 8.2 nH 523 Package 0402 0402 0402 0402 1210 0402 0402 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Broadband CATV Amplifier, 50 - 1000 MHz Typical Performance Curves Gain vs. Frequency over Temperature to 1 GHz 15.5 MAAMSS0031 V2 Gain vs. Frequency over Temperature to 3 GHz 20 15.0 15 14.5 10 14.0 -40C +25C +85C -40C +25C +85C 5 13.5 13.0 0.0 0.2 0.4 0.6 0.8 1.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Input Return Loss vs. Frequency over Temperature 0 -40 C +25 C +85 C Output Return Loss vs. Frequency over Temperature 0 -40C +25C +85C -10 -5 -5 -10 -15 -15 -20 -20 -25 -25 -30 0.0 0.2 0.4 0.6 0.8 1.0 -30 0.0 0.2 0.4 0.6 0.8 1.0 Frequency (GHz) Frequency (GHz) Noise Figure vs. Frequency 5.0 4.0 3.0 2.0 1.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 Frequency (GHz) 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Broadband CATV Amplifier, 50 - 1000 MHz Enhanced Input Return Loss (IRL) and Gain Flatness MAAMSS0031 V2 An enhanced input return loss and improved gain flatness circuit has been developed for applications where those parameters are key to system performance. Adding a series inductor, L3, to the input, a shunt capacitor, C5, to the output, and changing the bias inductor, L1, value will improve the input return loss to 25 dB typical from 50 to 1000 MHz. The gain flatness will also improve to less than 0.3 dB from 50 to 1000 MHz. Schematic Including Off-Chip Components Recommended Board Layout Pin 1 L3 C5 L2 RF IN C1 C4 R1 C3 C2 L1 VDD RFOUT Off-Chip Component Values Component C1 C2 C3 C4 C5 L1 * L2 L3 R1 Value 0.01 F 0.01 F 0.01 F 0.01 F 0.5 pF 1000 nH 8.2 nH 5.6 nH 523 Package 0402 0402 0402 0402 0402 1210 0402 0402 0402 * L1 supplied from EPCOS, part number B82422A1102K100. 4 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Broadband CATV Amplifier, 50 - 1000 MHz MAAMSS0031 V2 Typical Performance Curves - Enhanced Input Return Loss (IRL) and Gain Flatness Gain vs. Frequency over Temperature to 1 GHz 16.0 Gain vs. Frequency over Temperature to 3 GHz 20 15.5 15 15.0 10 -40C +25C +85C 14.5 5 14.0 -40C +25C +85C 0 13.5 -5 13.0 0.0 0.2 0.4 0.6 0.8 1.0 -10 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Input Return Loss vs. Frequency over Temperature 0 -40C +25C +85C -10 Output Return Loss vs. Frequency over Temperature 0 -40C +25C +85C -10 -20 -20 -30 -30 -40 0.0 0.2 0.4 0.6 0.8 1.0 -40 0.0 0.3 0.5 0.8 1.0 Frequency (GHz) Frequency (GHz) Noise Figure vs. Frequency 5.0 4.0 3.0 2.0 1.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 Frequency (GHz) 5 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. Broadband CATV Amplifier, 50 - 1000 MHz SOT-89 Plastic Package MAAMSS0031 V2 6 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use. or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. |
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