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| 13.50-14.50 GHz 2.5-Watt Power Amplifier March 2006 - Rev 02-Mar-06 CMM1434-SM Features 34.5 dBm (Typ.) Saturated Output Power 31.0 dB (Typ.) Linear Gain Fully Matched Uncondtionally Stable Low-Cost, Surface Mount Package Optimum Thermal Dissipation Applications Ku-Band VSAT Transmit Subsystems General Description The CMM1434-SM is a four-stage pHEMT GaAs MMIC power amplifier that is ideally suited for transmit subsystems designed for Ku-Band VSAT applications. The CMM1434-SM provides 31.0 dB linear gain and delivers 2.5 watts of output power at saturation operating from 13.50 to 14.50 GHz frequency. The unconditional stability and internal matching provides for reduction of external components making this product a simple and low-cost solution. The low-cost 6mm x 6mm x 1.6mm surface mount package offers the same excellent RF and thermal properties as a typical flange package. Electrical Characteristics (T = +25C,Vd = 6V, Idq = 1.5A) Parameter Condition Min Typ Max Units Frequency Range Output Power Saturated Output Power Saturated Output Power Variation Linear Gain Linear Gain Variation Input Reflection Coefficient Output Reflection Coefficient Gate Supply Voltage Drain Current Power Added Efficiency @ 1dB compression Pin = 10 dBm Over operating frequency Over operating frequency 13.50 31.5 33 27.0 14.50 32 34.5 0.5 30.5 1.0 -10.0 -7.0 -0.9 1.7 26 1.0 34.0 3.0 Idq = 1.5A At Saturation At Saturation -1.1 -0.7 1.9 GHz dBm dBm dBm dB dB dB dB Volts A % Electrical Specifications (TA = -40C to +75C) Parameter Condition Min Typ Max Units Saturated Output Power Linear Gain Stability Variation from Room Temperature Variation from Room Temperature -0.5 -2.5 3.5 Unconditionally stable dBm dB Operation outside these limits can cause permanent damage. Parameter Typ Maximum Ratings (TA = -40C to +75C) Units Parameter Typ Units Drain Voltage (+Vdd) Gate Voltage (Vgg) Quiescent Current (Idq) Gate Current (Ig) 8.5 -3.0 2.1 5 Volts Volts A mA RF Input Power (Pin) Dissipated Power (Pdiss) Storage Temperature Operating Backside Temperature 15 13 -50 to +150 -40 to +75 dBm Watts C C Page 1 of 3 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. (c)2006 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. 13.50-14.50 GHz 2.5-Watt Power Amplifier March 2006 - Rev 02-Mar-06 CMM1434-SM Power Amplifier Measurements 40 CMM1434-SM Small Signal @ 6V, 1.5A 20 35 S21 S22 30 S21 25 S11 15 10 5 Return Loss (dB) Gain (dB) 20 0 15 S22 S11 -5 10 -10 5 -15 0 10 11 12 13 14 15 16 17 18 19 -20 Frequency (GHz) CMM1434-SM Psat @ 6V, 1.5A Over Temperature 40 39 38 37 36 35 34 33 32 Pout (dBm) 31 30 29 28 27 26 25 24 23 22 21 20 13 13.2 13.4 13.6 13.8 14 14.2 14.4 14.6 14.8 15 25degC 75degC -40degC Frequency (GHz) Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 2 of 3 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. 13.50-14.50 GHz 2.5-Watt Power Amplifier March 2006 - Rev 02-Mar-06 CMM1434-SM Physical Dimensions (Bottom View) Recommended Application Circuit Vdd Vdd Note: This schematic represents the topology of the application circuit recommended by Celeritek. 50 RF IN CMM1431-SM 1 2 3 4 Vgg 0.1 F 5 10 9 8 6 7 0.1 F Vgg 50 RF OUT Note: Due to the high gain of this device it is highly recommended to maintain the reverse isolation (S12) above 50 dB. Biasing Notes 1. Dual bias is required 2. 0.1 F bypass capacitors are needed on PC board as close as possible to pins 1, 5, 6 and 10. 3. Positive (+) bias can be applied either at pin 1 or pin 6. 4. Negative (-) bias can be applied either at pin 5 or pin 6. 5. No DC block is required at RF IN/OUT. 6. Negative (-) bias must be applied before applying positive (+) bias. Pin Functional Diagram Vdd 1 CMM1431-SM 10 Vdd 9 GROUND 8 RF OUT 7 GROUND 6 Vgg GROUND 2 RF IN 3 GROUND 4 Vgg 5 Ordering Information The CMM1434-SM is available in available in tube or tape and reel. Part Number for Ordering Package C M M 1431-S M S ur f ace mount pack age PB-CMM1434-SM Evaluation Board Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099 Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com Page 3 of 3 Characteristic Data and Specifications are subject to change without notice. (c)2006 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. |
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