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| High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Features * Low Noise Figure: 1.2 dB * High Input: +18 dBm at 8 V, 60 mA bias +6.5 dBm at 3 V, 20 mA bias * High Gain: 15 dB * Single Supply: +3 to +8 VDC * Low Cost SOIC-8 Plastic Package * Adjustable current: 20 to 80 mA with external resistor AM50-0003 V4 Functional Block Diagram GND GND REXT Description M/A-COM's AM50-0003 is a high dynamic range, GaAs MMIC, low noise amplifier in a low cost, SOIC 8-Lead, surface mount, plastic package. It employs external input matching to obtain optimum noise figure performance and operating frequency flexibility. The AM50-0003 also features flexible biasing to control the current consumption vs. dynamic range trade-off. The AM50-0003 can operate from any supply voltage in the 3V to 8V range. Its current can be controlled over a range of 20 mA to 80 mA with an external resistor. RF IN GND Pin Configuration The AM50-0003 is ideally suited for use where low noise figure, high gain, high dynamic range, and low power consumption are required. Typical applications include receiver front ends in AMPS, GSM, and ETACS base stations. It is also useful as a gain block, buffer, driver, and IF amplifier in both fixed and portable cellular and 900 MHz ISM systems. The AM50-0003 is fabricated using a low-cost 0.5micron gate length GaAs process. The process features full passivation for increased performance reliability. The AM50-0003 is 100% RF tested to ensure performance specification compliance. Ordering Information Part Number AM50-0003 AM50-0003TR AM50-0003SMB w w w .D t a S a e h Pin No. 1 2 3 4 5 6 7 8 t e U 4 Pin Name GND REXT RF IN GND GND RF OUT VDD GND .c m o Description RF and DC Ground VDD RF OUT GND External Current Control (optional) RF Input of the amplifier RF and DC Ground RF and DC Ground RF Output of the amplifier Positive supply voltage RF and DC Ground Absolute Maximum Ratings 1 Parameter VDD Input Power Current 2 3 Absolute Maximum +10 VDC +17 dBm 120 mA +150C -40C to +85C -65C to +150C Package Bulk Packaging 1000 piece reel Sample Test Board Channel Temperature Operating Temperature Storage Temperature Note: Reference Application Note M513 for reel size information. 1. Exceeding any one or combination of these limits may cause permanent damage. 2. When pin #2 is used to increase current. (see note 6) 3. Thermal resistance (jc) = +88C/W 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. w w w .D a at S e he t 4U . om c High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Electrical Specifications: TA = +25C, Z0 = 50 , F=900 MHz, Pin = -30 dBm Parameter Gain AM50-0003 V4 Test Conditions 5 V, 60 mA 4 Units dB dB dB dB Ratio Ratio dBm dBm dBm dBm dB Min 13 12 -- -- -- -- -- -- 12.5 4.0 -- Typ 15 13.5 1.20 1.25 2.0:1 1.5:1 16.5 8.5 15 6.5 25 Max -- -- 1.50 1.50 -- -- -- -- -- -- -- 3 V, 20 mA Noise Figure 5 V, 60 mA 4 3 V, 20 mA Input VSWR Output VSWR Output 1 dB Compression -- -- 5 V, 60 mA4 3 V, 20 mA Input IP3 5 V, 60 mA 4 3 V, 20 mA Reverse Location -- 4. Using external 15 Ohm resistor. See functional bolck diagram herein. Functional Schematic VDD Component List 5 Part C1 C2 C2 Value 47 pF 470 pF 12 nH 12 nH 5.1K Ohms See Note 6 Case Size 0603 0603 0603 0603 0603 0603 Manufacturer Murata Murata Coilcraft Coilcraft Panasonic Panasonic Purpose DC Block By-Pass Tuning RF Choke DC Return Optional current control L2 L1 7 L1 IN C1 R1 3 6 1,4,5,8 L2 OUT R1 R2 2 R2 (See Note 6) Handling Procedures Please observe the following precautions to avoid damage: 5. All External circuitry parts are readily available, low cost surface mount components (.060 in. x .030 in. or .080 in. x .050 in.) 6. Pin 2 allows use of an external resistor to ground for optional, higher current. For 20 mA operation, no resistor is used. For IDD ~ 40 mA, R2 = 43 ohms; IDD ~ 60 mA, R2 = 15 ohms; IDD ~ 80 mA, R2 = 10 ohms. Static Sensitivity Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices. 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. High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Recommended PCB Configuration Layout View AM50-0003 V4 Cross Section View RF Traces & Components RF Ground DC Routing Customer Defined The PCB dielectric between RF traces and RF ground layers should be chosen to reduce RF discontinuities between 50 lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of 0.008" (0.20 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended RFmetalization thickness is 1 ounce copper. Designer's Kit AM50-0003SMB The AM50-0003SMB Designer's Kit allows for immediate evaluation of M/A-COM's AM50-0003. The Designer's Kit includes an evaluation board with mounted AM50-0003 and five loose AM50-0003's. The evaluation board consists of the recommended external surface mount circuitry, RF connectors, and a DC multi-pin connector, all mounted to a multi-layer FR-4 PCB. The AM50-0003SMB evaluation PCB is illustrated below with all functional ports labeled. AM50-0003 Evaluation Board Evaluation PCB & RF Connector Losses Port Reference LNA Input LNA Output Approximate RF Loss 0.1 dB @ 900 MHz 0.1 dB @ 900 MHz The DC connector on the Designer's Kit PCB allows convenient DC line access. This is accomplished by the one or more of the following methods. 7. A mating female multi-pin connector (newark Electronics Stock # 46F-4658, not included). 8. Wires soldered to the necessary pins (not included). 9. Clip leads (not included). 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. High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Typical Performance Curves AM50-0003 V4 Test Conditions: TA = +25C, Z0 = 50 , VDD = 5 V, IDD = 60 mA unless otherwise specified Gain vs. Frequency 17 3 Volts 5 Volts 8 Volts VSWR vs. Frequency 5 INPUT OUTPUT 4 16 15 3 14 2 13 12 0.5 0.7 0.9 1.1 1 0.5 0.7 0.9 1.1 Frequency (GHz) Frequency (GHz) Noise Figure vs. Frequency 1.4 Noise Figure vs. Current, F = 900 MHz 1.4 Vdd = 3 to 8 Volts Vdd = 3 to 8 Volts 1.3 1.3 1.2 1.2 1.1 1.1 1 0.8 0.85 0.9 0.95 1 1 20 40 60 80 Frequency (GHz) IDD (mA) Output P1 dB vs. Frequency 24 Output P1 dB vs. Current, F = 900 MHz 24 20 20 3 VOLT 5 VOLT 6 VOLT 8 VOLT 16 3 VOLT 5 VOLT 6 VOLT 8 VOLT 12 16 12 8 0.8 0.85 0.9 0.95 1 8 20 40 60 80 Frequency (GHz) IDD (mA) 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. High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Typical Performance Curves AM50-0003 V4 Test Conditions: TA = +25C, Z0 = 50 , VDD = 5 V, IDD = 60 mA unless otherwise specified Input IP3 vs. Frequency 21 Input IP3 vs. Current, F = 900 MHz 21 3 VOLT 5 VOLT 6 VOLT 8 VOLT 17 17 13 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 9 13 9 5 0.8 0.85 0.9 0.95 1 5 20 40 60 80 Frequency (GHz) IDD (mA) SOIC-8 The AM50-0003 is fabricated using a low-cost 0.5-micron gate length GaAs process. The process features full passivation for increased performance reliability. The AM50-0003 is 100% RF tested to ensure performance specification compliance. 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. |
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