High Dynamic Range Low Noise Amplifier 1400 - 2000 MHz Features AM50-0004 V6 Functional Block Diagram • 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 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. GND GND REXT VDD RF IN RF OUT GND GND Pin Configuration Pin No. Pin Name Description 1 GND RF and DC Ground 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. 2 REXT External Current Control (optional) 3 RF IN RF Input of the amplifier 4 GND RF and DC Ground 5 GND RF and DC Ground 6 RF OUT RF Output of the amplifier 7 VDD Positive supply voltage 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. 8 GND RF and DC Ground Ordering Information Absolute Maximum Ratings 1,2 Parameter Absolute Maximum VDD +10 VDC Input Power +17 dBm 3 Current Part Number Package AM50-0004 Bulk Packaging AM50-0004TR 1000 piece reel AM50-0004SMB Designer’s Kit 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. Channel Temperature 80 mA 4 +150°C Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 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 (θjc) = +99°C/W. • 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 AM50-0004 V6 Electrical Specifications: TA = +25°C, Z0 = 50 Ohms, F = 1785 MHz, Pin = -30 dBm Parameter Test Conditions Gain Units Min. Typ. Max. 5 dB 12.0 14 — 3 V, 20 mA dB — 12.5 — 5 dB — 1.4 1.8 5 V, 45 mA Noise Figure 5 V, 45 mA 3 V, 20 mA dB — 1.5 — Input VSWR — Ratio — 1.5:1 — Output VSWR — Output 1 dB Compression Ratio — 2.0:1 — 5 dBm — 16.0 — 3 V, 20 mA dBm — 9.0 — 5 dBm 13.0 15 — 3 V, 20 mA dBm — 8.0 — — dB — 22 — mA 30 45 60 5 V, 45 mA Input IP3 5 V, 45 mA Reverse Isolation Drain Current 5 V, 45 mA 5 5. Using external 15 Ω resistor. See functional schematic below. External Components List 6 Functional Schematic VDD L2 C2 L1 IN 7 3 6 1,4,5,8 C1 OUT 2 R1 (See Note 7) Handling Procedures Please observe the following precautions to avoid damage: Part Value Case Size Manufacturer Purpose C1 47 pF 0603 Murata DC Block C2 47 pF 0603 Murata By-Pass L1 3.9 nH 0603 Coilcraft Tuning L2 12 nH 0603 Coilcraft RF Choke R1 see note 7 0603 Panasonic Optional current control 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 AM50-0004 V6 Cross Section View RF Traces & Components Layout View 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 Ω lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of .008” (0.20 mm) yielding a 50 Ω 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 Approximate RF Loss RF In 0.15 dB @ 1785 MHz RF Out 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 AM50-0004 V6 Typical Performance Curves Test Conditions: TA = +25°C, Z0 = 50 Ω, VDD = 5 V, IDD = 45 mA unless otherwise specified. VSWR vs. Frequency Gain vs. Frequency 5 18 INPUT 3 VOLTS 5 VOLTS 8 VOLTS 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 1.6 1.6 1.5 1.5 1.4 1.4 1.3 1.3 1.9 2.0 2.1 2.2 20 30 40 50 60 Current (mA) Output P1 dB vs. Frequency Output P1 dB vs. Current, F = 1785 MHz 24 24 20 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 20 16 16 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 12 4 2.2 1.2 1.8 Frequency (GHz) 8 1.7 2.0 Noise Figure vs. Current, F = 1785 MHz Noise Figure vs. Frequency 1.2 1.7 1.8 Frequency (GHz) Frequency (GHz) 1.8 1.9 12 2.0 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. 8 20 30 40 50 60 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 AM50-0004 V6 Typical Performance Curves Test Conditions: TA = +25°C, Z0 = 50 Ω, VDD = 5 V, IDD = 45 mA unless otherwise specified. Input IP3 vs. Frequency Input IP3 vs. Current, F = 1785 MHz 21 21 17 17 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 13 3 VOLTS 5 VOLTS 6 VOLTS 8 VOLTS 13 9 9 5 5 1.7 1.8 1.9 20 2.0 30 50 60 Noise Figure vs. Temperature Gain vs. Temperature 18 2.5 +25 C -40 C +85 C +25 C -40 C +85 C 16 2.0 14 1.5 12 1.0 10 1.2 40 Current (mA) Frequency (GHz) 1.4 1.6 1.8 2.0 2.2 Frequency (GHz) 0.5 1.7 1.8 1.9 2.0 2.1 2.2 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.