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| Switched Low Noise Amplifier 800 - 1000 MHz Features * * * * * High Gain State: -Gain: 16 dB, Noise Figure: 1.6 dB -Input IP3: +3 dBm (@2.7V, 25 mA) Low Gain State: -Insertion Loss: 5 dB, Input IP3: +24 dBm Single Supply: +2.7 to +5 VDC Low Cost MSOP-8 Plastic Package Adjustable current: 10 to 30 mA with external resistor AM55-0016 V3 Functional Block Diagram Description M/A-COM's AM55-0016 is a high dynamic range, switchable low noise amplifier in a low cost, MSOP 8-lead, surface mount, plastic package. The design utilizes a patented switching technique to provide a low insertion loss, high input IP3 bypass state in parallel with the high gain, low noise state. The LNA employs external input matching to obtain optimum noise figure performance and operating frequency flexibility. The AM55-0016 also features flexible biasing to control the current consumption vs. dynamic range trade-off. It's current can be controlled over a range of 10 mA to 30 mA with an external resistor. Typical applications include receiver front ends in cellular band CDMA handsets. It is also useful as a switched gain block, buffer or driver in portable cellular systems. The AM55-0016 is fabricated using a low-cost 0.5micron gate length GaAs MESFET process. The process features full passivation for increased performance and reliability. Pin Configuration Pin No. 1 2 3 4 5 6 7 8 Pin Name VDD1 IN VS1 GND VS2 OUT VDD2 VCTL Description Stage 1 Supply Voltage RF Input Stage 1 Source RF and DC Ground Stage 2 Source RF Output Stage 2 Supply Voltage Switch Control Voltage Absolute Maximum Ratings 2,3,4 Parameter VDD Input Power Current Absolute Maximum +6 VDC 0 dBm 30 mA +150C -40C to +85C -65C to +150C Ordering Information 1 Part Number AM55-0016 AM55-0016TR AM55-0016SMB 1. Package MSOP-8 Lead Plastic Package Forward Tape and Reel Sample Test Board 2. 3. 4. Channel Temperature 4 Operating Temperature Storage Temperature Reference Application Note M513 for reel size information. Exceeding any one or combination of these limits may cause permanent damage to this device. M/A-COM does not recommend sustained operation near these survivability limits. Typical thermal resistance (jc) = +99C/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. Switched Low Noise Amplifier 800 - 1000 MHz AM55-0016 V3 Electrical Specifications: TA = 25C, Z0 = 50 , F = 881 MHz, PIN = -30 dBm, VDD = 2.7 V, IDD = 10 mA Parameter Test Conditions Units Min. Typ. Max. HIGH GAIN STATE, Voltage control = 2.7 volts Gain Noise Figure Input IP3 Input VSWR / Output VSWR Reverse Isolation LOW GAIN STATE, Voltage control = 0 volts Insertion Loss Input IP3 Input VSWR Output VSWR 1DD = 100 A dB dBm -- -- -- -- -- -- 5 +24 2.3:1 2.0:1 -- -- -- -- IDD = 10 mA, VDD = 2.7 V IDD = 25 mA, VDD = 2.7 V dB dB dBm dBm -- dB -- -- -- -- -- -- 16 1.6 -2 +3 2.0:1 32 -- -- 1.8 -- -- Handling Procedures Please observe the following precautions to avoid damage. Evaluation Board 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. Evaluation PCB + RF Connector Losses Port Reference RF IN RF OUT Approximate RF Loss 0.15 dB @ 900 MHz 0.15 dB @ 900 MHz The DC connector on the Designer's Kit PCB allows convenient DC line access. This is accomplished by 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). 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. Switched Low Noise Amplifier 800 - 1000 MHz Recommended PCB Configuration Cross Section View AM55-0016 V3 The PCB dielectric between RF traces and RF ground layers should be chosen to reduce RF discontinues between 50 lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of 0.008" (0.2 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended metallization thickness is 1 ounce copper. External Circuitry Parts List 5 Part C1, C2 C3, C4 Value 1000 pF 47 pF 10 nF 22 nH See note 6 UMH9N Purpose Source Bypass By-Pass By-Pass Tuning Source Bias Resistor Dual Bipolar Transistor External Circuitry C5, C6, C7 L1 RBIAS U1 5. 6. All external circuitry parts are readily available, low cost surface mount components (0.040 inches x 0.020 inches or 0.060 inches x 0.030 inches). RBIAS is chosen to set the desired current, For: IDD ~10 mA, R1 = 75 ohms; IDD ~20 mA, R1 = 25 ohms; IDD ~30 mA, R1 = 9 ohms. Designer's Kit AM55-0016SMB The AM55-0016SMB Designer's Kit allows for immediate evaluation of M/A-COM's AM55-0016. The Designer's Kit includes an AM55-0016, an evaluation board and a floppy disk containing typical performance data and a DXF file of the recommended PCB layout. 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 AM55-0016SMB evaluation PCB is illustrated below with all functional ports labeled. 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. Switched Low Noise Amplifier 800 - 1000 MHz Typical Performance Curves High Gain Mode: Gain vs. Current 19 18 17 16 15 14 13 12 800 10mA 20mA 30mA AM55-0016 V3 High Gain Mode: Noise Figure vs. Current 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 800 10mA 20mA 30mA 850 900 950 1000 Frequency (MHz) 850 900 950 1000 Frequency (MHz) High Gain Mode: Input IP3 vs. Current 7 6 5 4 3 2 1 0 -1 -2 -3 800 850 900 950 1000 10mA 15 mA 20mA 25mA High Gain Mode: IIP3 vs. Current and Voltage 10 8 6 4 2 0 -2 10 12 14 16 18 20 22 24 26 28 30 2.7 3.2 3.6 4.0 V V V V Frequency (MHz) Current (mA) Low Gain Mode: Insertion Loss and Input IP3 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 -6.5 -7.0 800 850 900 950 IL (dB) IIP3 (dBm) 30 29 28 27 26 25 24 23 22 21 20 1000 High Gain: Gain and Output Power vs. Input Power 18 17 16 15 14 13 12 11 10 -26 -24 -22 -20 -18 -16 -14 -12 -10 Output Power (dBm) Gain (dB) 6 4 2 0 -2 -4 -6 -8 -10 Input Power (dBm) Frequency (MHz) 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. Switched Low Noise Amplifier 800 - 1000 MHz Typical Performance Curves (continued) Input Return Loss 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 800 Low Gain High Gain 850 900 950 1000 AM55-0016 V3 Output Return Loss 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 800 850 900 950 1000 Low Gain High Gain Frequency (MHz) Frequency (MHz) High Gain Mode: Gain vs. Temperature 19 18 17 16 15 14 13 12 800 -30C +25C +80C High Gain Mode: Noise Figure vs. Temperature 2.4 2.2 2 1.8 1.6 1.4 1.2 1 800 -30C +25C +80C 850 900 950 1000 850 900 950 1000 Frequency (MHz) Frequency (MHz) Low Gain Mode: Insertion Loss vs. Temperature -4.0 -4.2 -4.4 -4.6 -4.8 -5.0 -5.2 -5.4 -5.6 -5.8 -6.0 800 -30C +25C +80C 850 900 950 1000 Frequency (MHz) 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. Switched Low Noise Amplifier 800 - 1000 MHz MSOP-8 AM55-0016 V3 Meets JEDEC moisture sensitivity level 1 requirements. 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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