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| High Dynamic Range Low Noise Amplifier 1400 - 2000 MHz Features * Low Noise Figure: 1.4 dB * High Input IP3: +18 dBm at 8 V, 45 mA bias +8 dBm at 3 V, 20 mA bias * High Gain: 14 dB * Single Supply: +3 to +8 VDC * Low Cost SOIC-8 Plastic Package * Adjustable current: 20 to 60 mA with external resistor AM50-0004 V6 Functional Block Diagram GND GND Description M/A-COM's AM50-0004 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 AM50-0004 also features flexible biasing to control the current consumption vs. dynamic range trade-off. The AM50-0004 can operate from any positive supply voltage in the 3 V to 8 V range. Its current can be controlled over a range of 20 mA to 60 mA with an external resistor. The AM50-0004 is ideally suited for use where low noise figure, high gain, high dynamic range, and low power consumption are required. Typical applications included receiver front ends in PDC, DCS-1800, DCS-1900 and other PCN/PCS base stations. It is also useful as a gain block, buffer, driver, and IF amplifier in both fixed or portable PDC and PCN/PCS systems. The AM50-0004 is fabricated using a low-cost 0.5micron gate length GaAs process. The process features full passivation for increased performance and reliability. The AM50-0004 is 100% RF tested to ensure performance specification compliance. Ordering Information Part Number AM50-0004 AM50-0004TR AM50-0004SMB m o .c U t4 e e h S ta a .D w w w RF IN GND REXT VDD RF OUT GND Pin Configuration Pin No. 1 2 3 4 5 6 7 8 GND REXT Pin Name Description RF and DC Ground External Current Control (optional) RF Input of the amplifier RF and DC Ground RF and DC Ground RF IN GND GND RF OUT VDD RF Output of the amplifier Positive supply voltage RF and DC Ground GND Absolute Maximum Ratings 1,2 Parameter VDD Input Power Current 3 Absolute Maximum +10 VDC +17 dBm 80 mA Package Channel Temperature 4 +150C -40C to +85C -65C to +150C Bulk Packaging 1000 piece reel Designer's Kit Operating Temperature Storage Temperature 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. om .c U 4 et e * North America Tel: 800.366.2266 / Fax: 978.366.2266 h S * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 a t * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 a .D information. Visit www.macom.com for additional data sheets and product w w w 1. Exceeding any one or combination of these limits may cause permanent damage. 2. M/A-COM does not recommend sustained operation near these survivability limits. 3. When pin #2 is used to increase current. (See note 7.) 4. Thermal resistance (jc) = +99C/W. High Dynamic Range Low Noise Amplifier 1400 - 2000 MHz AM50-0004 V6 Electrical Specifications: TA = +25C, Z0 = 50 Ohms, F = 1785 MHz, Pin = -30 dBm Parameter Gain Test Conditions 5 V, 45 mA 5 Units dB dB dB dB Ratio Ratio Min. 12.0 -- -- -- -- -- -- -- 13.0 -- -- 30 Typ. 14 12.5 1.4 1.5 1.5:1 2.0:1 16.0 9.0 15 8.0 22 45 Max. -- -- 1.8 -- -- -- -- -- -- -- -- 60 3 V, 20 mA Noise Figure 5 V, 45 mA 5 3 V, 20 mA Input VSWR Output VSWR Output 1 dB Compression -- -- 5 V, 45 mA 5 dBm dBm dBm dBm dB 3 V, 20 mA Input IP3 5 V, 45 mA 5 3 V, 20 mA Reverse Isolation Drain Current -- 5 V, 45 mA 5 mA 5. Using external 15 resistor. See functional schematic below. Functional Schematic VDD External Components List 6 Part C1 L2 C2 Value 47 pF 47 pF 3.9 nH 12 nH see note 7 Case Size 0603 0603 0603 0603 0603 Manufacturer Murata Murata Coilcraft Coilcraft Panasonic Purpose DC Block By-Pass Tuning RF Choke Optional current control C2 L1 L2 OUT L1 IN C1 7 3 6 1,4,5,8 2 R1 (See Note 7) R1 Handling Procedures Please observe the following precautions to avoid damage: 6. All external circuitry parts are readily available, low cost surface mount components (.060 in. x .030 in. or .080 in. x .050 in.). 7. Pin 2 allows use of an external resistor to ground for optional, higher current. For 20 mA operation, no resistor is used. For IDD ~ 30 mA, R1 = 39 ohms; IDD ~ 45 mA, R1 = 15 ohms; IDD ~ 60 mA, R1 = 6 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 1400 - 2000 MHz Recommended PCB Configuration Layout View AM50-0004 V6 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 .008" (0.20 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended RF metalization is 1 ounce copper. Designer's Kit AM50-0004SMB The AM50-0004SMB Designer's Kit allows for immediate evaluation of M/A-COM's AM50-0004. The Designer's Kit includes an AM50-0004 mounted on an evaluation board and five loose AM50-0004'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 AM50-0004SMB evaluation PCB is illustrated below with all functional ports labeled. AM50-0004 Evaluation Board Evaluation PCB & RF Connector Losses Port Reference RF In RF Out Approximate RF Loss 0.15 dB @ 1785 MHz 0.15 dB @ 1785 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. 1. A mating female multi-pin connector (Newark Electronics Stock # 46F-4658, not included). 2. Wires soldered to the necessary pins (not included). 3. 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 1400 - 2000 MHz Typical Performance Curves AM50-0004 V6 Test Conditions: TA = +25C, Z0 = 50 , VDD = 5 V, IDD = 45 mA unless otherwise specified. Gain vs. Frequency 18 3 VOLTS 5 VOLTS 8 VOLTS VSWR vs. Frequency 5 INPUT OUTPUT 16 4 14 3 12 2 10 1.2 1.4 1.6 1.8 2.0 2.2 1 1.2 1.4 1.6 1.8 2.0 2.2 Frequency (GHz) Frequency (GHz) Noise Figure vs. Frequency 1.6 Noise Figure vs. Current, F = 1785 MHz 1.6 1.5 1.5 1.4 1.4 1.3 1.3 1.2 1.7 1.2 1.8 1.9 2.0 2.1 2.2 20 30 40 50 60 Frequency (GHz) Current (mA) Output P1 dB vs. Frequency 24 Output P1 dB vs. Current, F = 1785 MHz 24 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 20 20 16 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 16 12 12 8 1.7 1.8 1.9 2.0 8 20 30 40 50 60 4 Frequency (GHz) 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. Current (mA) * 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 1400 - 2000 MHz Typical Performance Curves AM50-0004 V6 Test Conditions: TA = +25C, Z0 = 50 , VDD = 5 V, IDD = 45 mA unless otherwise specified. Input IP3 vs. Frequency 21 Input IP3 vs. Current, F = 1785 MHz 21 17 17 13 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 13 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 9 9 5 1.7 5 1.8 1.9 2.0 20 30 40 50 60 Frequency (GHz) Current (mA) Gain vs. Temperature 18 +25 C -40 C +85 C Noise Figure vs. Temperature 2.5 +25 C -40 C +85 C 16 2.0 14 1.5 12 1.0 10 1.2 1.4 1.6 1.8 2.0 2.2 0.5 1.7 1.8 1.9 2.0 2.1 2.2 Frequency (GHz) Frequency (GHz) SOIC-8 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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