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| RoHS Compliant Low Cost MMIC Mixer with Local Oscillator Amplifier 0.8 GHz - 1.0 GHz Features * * * * * * * -5 to +5 dBm LO Drive Level High Isolation, 28 dB LO to RF Lead Free SOT-26 package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Re-flow Compatible RoHS Compliant Version of MD57-0001 MAMX-008611 V1 Functional Schematic Description The MAMX-008611 is a floating FET mixer with an on-chip LO amplifier. The LO drive for the MAMX008611 can range from -5 to +5 dBm without severely impacting the mixer's performance. The MAMX-008611 is ideally suited for cellular band communications handsets' that can provide only minimal amounts of LO drive. Typical applications include frequency up/down conversion and IQ modulation and demodulation in digital receivers and transmitters. The MAMX-008611 utilizes a patented "floatingFET" architecture. The on-chip LO amplifier allows the MAMX-008611 to operate with as little as -5 dBm of LO drive making it an ideal choice for low power portable designs. The MAMX-008611 is fabricated using M/A-COM's 0.5 micron low noise GaAs MESFET process. This process features full passivation for increased performance and reliability. The MAMX-008611 is 100% RF tested to ensure superior performance specification compliance. Pin Configuration Pin No. 1 2 3 4 5 6 Pin Name RF Port Bias LO Port VDD GND IF Port Description RF Input/Output LO Amplifier Bias Resistor LO Input LO Amplifier VDD Ground IF Input/Output Absolute Maximum Ratings 2,3,4,5 Parameter Input RF/IF Power 4 Absolute Maximum +27 dBm +17 dBm 4 Ordering Information1 Part Number MAMX-008611-000000 MAMX-008611-TR1000 MAMX-008611-TR3000 Input LO Power4 Operating Voltages VDD = +6 V -30C to +80C -65C to +150C Package SOT-26 1000 piece reel 3000 piece reel Operating Temperature Storing Temperature 1. Reference Application Note M513 for reel size information. 2. Exceeding any one or combination of these limits may cause permanent damage to this device. 3. M/A-COM does not recommend sustained operation near these survivability limits. 4. Ambient Temperature (TA) = +25C 5. Typical Thermal Resistance (qjc ) = 108C/W at nominal bias * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 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. RoHS Compliant Low Cost MMIC Mixer with Local Oscillator Amplifier 0.8 GHz - 1.0 GHz 170 MHz, VDD = 2.7 V, Typical IIDD = 5 mA Parameter Conversion Loss Isolation LO to RF LO to IF RF to IF RF Port LO Port IF Port RF Freq = 900 MHz, LO = -5 dBm Two tones @ -10 dBm each; Two spacing = 1 MHz, IF = 170 MHz MAMX-008611 V1 Electrical Specifications6: TA = +25C, RF = 900 MHz (-15 dBm), LO = 730 MHz (-5 dBm), IF = Test Conditions Units dB dB dB dB Ratio Ratio Ratio dBm dBc Min. -- 20 10 -- -- -- -- -- -- Typ. 9.3 28 12 20 2.0:1 2.0:1 2.0:1 14 59 Max. 11 -- -- -- -- -- -- -- -- VSWR Input 1 dB Compression Two Tone IM Ratio 6. IMR vs. RF drive can be calculated by the formula: IMR = [44 - 1.5(PIN)] Recommended PCB Configuration Layout View External Circuitry Parts List Part R1 L1 L2 C1 C2 C3 C4 Value 200 22 nH 10 nH 10 nF 10 nF 22 pF 47 pF Purpose LO Amplifier Bias Resistor LO Amplifier Bias Input LO Port Matching IF Port Matching IF Bypass Capacitor RF Bypass Capacitor VDD Bypass Lead-Free SOT-26 Plastic Package PCB Cross Section View 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" (0.2 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended metallization thickness is 1 oz. Copper. 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. Reference Application Note M538 for lead-free solder reflow recommendations. Meets JEDEC moisture sensitivity level 1 requirements. * 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. RoHS Compliant Low Cost MMIC Mixer with Local Oscillator Amplifier 0.8 GHz - 1.0 GHz Spurious Table LO Harmonic (n) 0X 1X 2X 3X 4X -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm MAMX-008611 V1 The spurious table shows the spurious signals resulting from the mixing of the RF and LO input signals assuming down conversion. Mixing products are indicated relative to the IF level. The lower frequency mixing term is shown for two different RF input levels. The RF frequency is 900 MHz, the LO frequency is 730 MHz. RF Harmonic (m) 0X X X 13.8 22.9 10.8 20.4 12.1 22.7 13.6 24.0 1X 4.1 3.9 0 0 18.9 18.9 23.8 23.8 50.9 49.4 2X 44.9 31.9 47.6 35.1 46.5 36.6 41.5 31.0 68.5 58.9 3X 69.5 48.4 82.0 73.0 70.6 55.9 76.9 63.1 64.5 45.4 4X 79.7 70.0 76.6 83.8 78.0 84.0 77.1 74.0 80.6 63.4 [nFRF - mFLO] [nFRF - mFLO] RF = -10 dBm RF = 0 dBm Typical Performance Data Down Converter Application Test Conditions: RF=900 MHz, IF=170 MHz, LO=730 MHz (LO Power = -5dBm) Conversion Loss vs. Frequency -8 VSWR vs. Frequency 5 RF LO -9 4 -10 3 -11 2 -12 800 850 900 950 1000 1 600 700 800 900 1000 RF Frequency (MHz) Frequency (MHz) IMR Plot 30 Isolations 60 LO to RF RF to IF LO to IF 50 25 40 20 30 20 15 10 10 800 850 900 950 1000 0 600 700 800 900 1000 3 RF Frequency (MHz) 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. Frequency (MHz) * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 3 * 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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