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CMM0014-BD-000V Datasheet(PDF) 5 Page - Mimix Broadband |
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CMM0014-BD-000V Datasheet(HTML) 5 Page - Mimix Broadband |
5 / 6 page CMM0014-BD Vd=8.0 V, Id=280 mA 1.0E+05 1.0E+06 1.0E+07 1.0E+08 1.0E+09 55 65 75 85 95 105 115 125 Backplate Temperature (deg C) CMM0014-BD Vd=8.0 V, Id=280 mA 1.00E-03 1.00E-02 1.00E-01 1.00E+00 1.00E+01 55 65 75 85 95 105 115 125 Baseplate Temperature (deg C) CMM0014-BD Vd=8.0 V, Id=280 mA 90 100 110 120 130 140 150 160 170 55 65 75 85 95 105 115 125 Backplate Temperature (deg C) Page 5 of 6 2.0-22.0 GHz GaAs MMIC Power Amplifier Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Characteristic Data and Specifications are subject to change without notice. ©2007 Mimix Broadband, Inc. Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept their obligation to be compliant with U.S. Export Laws. CMM0014-BD April 2007 - Rev 26-Apr-07 App Note [1] Biasing - As shown in the bonding diagram, this device operates using a self-biased architecture and only requires one drain bias. Bias is nominally Vd=8V, Id=300 mA. For additional assistance in setting current via source resistor, see source resistance table below. App Note [2] Bias Arrangement - Each DC pad (Vd) needs to have DC bypass capacitance (~100-200 pF) as close to the device as possible. Additional DC bypass capacitance (~0.01 uF) is also recommended. Additionally, to achieve the required broadband decoupling network a high-Q Drain bias inductor with high-Q bypass capacitor is needed. The proper network is necessary in order to bring Drain bias into the device with minimal impact on RF performance. The high-Q inductor is typically an air coil that can be purchased from an air coil manufacturer (Microwave Components or Piconics for example). The air coil needs to have minimum current handling capability, thus planned operating current needs to be defined and considered before defining actual air coil to be used. Mimix recommends 1.4 mil diameter gold wire and 4 turns as a starting point and may need to be optimized based on the actual application. Self-resonance of the bias inductor causes degradation in performance at both the low and high ends of the band. The self resonance is sensitive to spacing between turns and number of turns used. For example, the more turns in the Drain bias inductor the lower the self-resonant frequency of the inductor creating high end RF performance degradation. The opposite is true for a smaller number of turns. MTTF Graphs These numbers were calculated based on accelerated life test information and thermal model analysis received from the fabricating foundry. CMM0014 - Source Resistance Table Left Center Corner 3.3 2.1 1.2 0 0 0 Infinity 10 0 3.30 01 0 2.10 11 0 1.28 00 1 1.20 10 1 0.88 01 1 0.76 11 1 0.62 Net R |
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