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| CMM1431-SM Advanced Product Specifications October 2003 (1 of 4) 13.50 to 14.50 GHz 1.5 Watt Power Amplifier Pin Functional Diagram CMM1431-SM Features 32.2 dBm (Typ.) Saturated Output Power 30.5 dB (Typ.) Linear Gain Fully Matched Unconditionally Stable Low-Cost, Surface Mount Package Optimum Thermal Dissipation Applications Ku-Band VSAT Transmit Subsystems Vdd 1 GROUND 2 RF IN 3 GROUND 4 Vgg 5 10 Vdd 9 GROUND 8 RF OUT 7 GROUND 6 Vgg Description The CMM1431-SM is a four-stage pHEMT GaAs MMIC power amplifier that is ideally suited for transmit subsystems designed for Ku-Band VSAT applications. The CMM1431-SM provides 30.5 dB linear gain and delivers 1.5 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 = 7V, Idq = 770mA) 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 = 5.0 dBm Over operating frequency Over operating frequency 13.50 30.5 31.2 27.0 14.50 31.5 32.2 0.5 30.5 1.0 -10.0 -7.0 -0.9 900 26 1.0 34.0 3.0 Idq = 770 mA At Saturation At Saturation -1.1 22 -0.7 980 GHz dBm dBm dBm dB dB dB dB Volts mA % 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 Maximum Ratings (TA = -40C to +75C) Operation outside these limits can cause permanent damage. Parameter Typ Units Parameter Typ Units Drain Voltage (+Vdd) Gate Voltage (Vgg) Quiescent Current (Idq) Gate Current (Ig) 3236 Scott Boulevard 8.5 -3.0 1000 5 Volts Volts mA mA RF Input Power (Pin) Dissipated Power (Pdiss) Storage Temperature Operating Backside Temperature Phone: (408) 986-5060 7.0 7.2 -50 to +150 -40 to +75 dBm Watts C C Santa Clara, California 95054 Fax: (408) 986-5095 CMM1431-SM Advanced Product Specifications - October 2003 (2 of 4) Typical Performance (Vdd = 7V, Idq = 770 mA) 3236 Scott Boulevard, Santa Clara, California 95054 Phone: (408) 986-5060 Fax: (408) 986-5095 CMM1431-SM Advanced Product Specifications - October 2003 Typical Performance (Vdd = 7V, Idq = 770 mA) (3 of 4) 3236 Scott Boulevard Santa Clara, California 95054 Phone: (408) 986-5060 Fax: (408) 986-5095 CMM1431-SM Physical Dimensions (Bottom View) Advanced Product Specifications - October 2003 (4 of 4) Recommended Application Circuit Note: This schematic represents the topology of the application circuit recommended by Celeritek. Vdd 0.1 F CMM1431-SM 1 50 RF IN 2 3 4 Vgg 0.1 F 5 10 9 8 6 7 0.1 F Vgg 50 RF OUT 0.1 F Vdd 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. 0.1F 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. Ordering Information The CMM1431-SM is available in available in tube or tape and reel. Part Number for Ordering Package CMM1431-SM Surface mount package Celeritek reserves the right to make changes without further notice to any products herein. Celeritek makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Celeritek assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Celeritek does not convey any license under its patent rights nor the rights of others. Celeritek products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Celeritek product could create a situation where personal injury or death may occur. Should Buyer purchase or use Celeritek products for any such unintended or unauthorized application, Buyer shall indemnify and hold Celeritek and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Celeritek was negligent regarding the design or manufacture of the part. Celeritek is a registered trademark of Celeritek, Inc. Celeritek, Inc. is an Equal Opportunity/Affirmative Action Employer. 3236 Scott Boulevard, Santa Clara, California 95054 Phone: (408) 986-5060 Fax: (408) 986-5095 |
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