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B1014-QT Datasheet(PDF) 5 Page - Mimix Broadband |
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B1014-QT Datasheet(HTML) 5 Page - Mimix Broadband |
5 / 6 page 37.0-40.0 GHz GaAs MMIC Buffer Amplifier, QFN B1014-QT Page 5 of 6 App Note [1] Biasing - It is recommended to bias the amplifier with Vd=4.0V and Id TOTAL=250mA. It is also recommended to use active biasing to keep the currents constant as the RF power and temperature vary; this gives the most reproducible results. Depending on the supply voltage available and the power dissipation constraints, the bias circuit may be a single transistor or a low power operational amplifier, with a low value resistor in series with the drain supply used to sense the current.The gate of the pHEMT is controlled to maintain correct drain current and thus drain voltage.The typical gate voltage needed to do this is -0.3V.Typically the gate is protected with Silicon diodes to limit the applied voltage. Also, make sure to sequence the applied voltage to ensure negative gate bias is available before applying the positive drain supply. App Note [2] Bias Arrangement - Each DC pin (Vd and Vg) needs to have DC bypass capacitance (100pF/10nF/1uF) as close to the package as possible. MTTF Typical Application Factory Automation and Identification Mixer Mimix Broadband MMIC-based 37.0-40.0 GHz Transmitter Block Diagram RF OUT 37.0-39.5 GHz XU1019-QH XP1080-QK XB1014-QT Coupler IF In 2 GHz LO Buffer X2 X XB1014-QT: MTTF hours vs. Package Base Temperature Vd1,2,3=4V; Id1=Id2=62.5mA, Id3=125mA 1.0E+03 1.0E+04 1.0E+05 1.0E+06 1.0E+07 1.0E+08 1.0E+09 1.0E+10 1.0E+11 1.0E+12 1.0E+13 1.0E+14 20 30 40 50 60 70 80 90 100 110 120 Package Base Temp (ºC) XB1014-QT: Tch (max) vs. Package Base Temperature Vd1,2,3=4V; Id1=Id2=62.5mA, Id3=125mA 0 20 40 60 80 100 120 140 160 180 200 20 30 40 50 60 70 80 90 100 110 120 Package Base Temp (ºC) XB1014-QT: Operating Power De-rating Curve (continuous) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Package Base Temp (ºC) Mimix Designator -QT Package Type QFN (3x3mm) P 1 Component Pitch 8mm P 0 Hole Pitch 4mm W Tape Width 12mm Number of leads offered 16 Reel Diameter 329mm (13in) Units per Reel 2000 Component Orientation: Parts are to be oriented with the PIN 1 closest to the tape's round sprocket holes on the tape’s trailing edge. Note: Tape and Reel packaging is ordered with a -000T suffix. Package is available in 500 unit reels through designated sales channels. Minimum order quantities should be discussed with your local sales representative. 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. ©2011 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. January 2011 - Rev 10-Jan-11 |
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