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CMM1331-KU
Advanced Product Specifications October 2003 (1 of 2)
12.70 to 13.50 GHz 1.5 Watt Power Amplifier
Pin Functional Diagram
RF IN 3 GROUND 4 Vgg 5
CMM1331-KU
Features 32.5 dBm (Typ.) Saturated Output Power 32.0 dB (Typ.) Linear Gain Fully Matched Unconditionally Stable Copper/Molybdenum Flange Package for Optimum Thermal Dissipation Applications Ku-Band VSAT Transmit Subsystems
Vdd 1 GROUND 2
10 Vdd 9 GROUND 8 RF OUT 7 GROUND 6 Vgg
Description
The CMM1331-KU is a four-stage pHEMT GaAs MMIC power amplifier that is ideally suited for transmit subsystems designed for Ku-Band VSAT applications. The CMM1331-KU provides 32.0 dB linear gain and delivers 1.5 watts of output power at saturation operating from 12.70 to 13.50 GHz frequency. The unconditional stability and internal matching provides for reduction of external components making this product a simple and low-cost solution. The package is designed with a base material of gold-plated copper/molybdenum composite that offers excellent thermal properties and minimum mechanical stress.
Electrical Characteristics (T = +25C, Vd = 7V, Idq = 770mA)
Parameter Condition Min Typ Max Units
Frequency Range 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 Thermal Resistance
Pin = 3.0 dBm Over operating frequency Over operating frequency
12.70 32.0 29.0
13.50 32.5 0.3 32.0 2.5 -10.0 -7.0 -0.9 940 27.0 0.6 35.0 4.5
Idq = 770 mA At Saturation Channel to Backside
-1.1 23.0
-0.7 1000
GHz dBm dBm dB dB dB dB Volts mA % C/W
Electrical Characteristics (T = -40C to +70C, Vd = 7V, Idq = 770mA)
Parameter Condition Min Typ Max Units
Saturated Power Output Linear Gain Variation Stability
Variation from room temperature value Variation from room temperature value
-0.5 -2.5 3.5 Unconditionally Stable
dBm dB --
Maximum Ratings (TA = -40C to +70C) Operation outside any of these limits can cause permanent damage.
Parameter Rating Units Parameter Rating Units
Drain Voltage (+Vdd) Gate Voltage (Vgg) Bias Current (Idq) Gate Current (Ig) 3236 Scott Boulevard
8.5 -3.0 1000 5
Volts Volts mA mA
RF Input Power (Pin) Storage Temperature Channel Temperature Dissipated Power (Pdis) Phone: (408) 986-5060
7.0 -50 to +150 175 7.3
dBm C C Watts
Santa Clara, California 95054
Fax: (408) 986-5095
CMM1331-KU
Application Notes
Vdd (+) 1 2 RF IN 3 4 5 Vgg (-) 0.1F 0.1F
Advanced Product Specifications - October 2003
(2 of 2)
Physical Dimensions
Vdd (+)
CMM1331-KU
10 9 8 7 6 Vgg (-) 0.1F 0.1F RF OUT
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. Mounting Recommendations 1. Leads should be as short as possible. 2. Solder all leads on PC board. Solder area should be as small as possible. Grounds should be provided for pins 2, 4, 7, and 9 on PC boards. 3. Flange should be screwed down on adequate heat sink. Do not over torque screws in order to avoid breaks in ceramic and die (tightening torque: 6lbf-in). 4. Grounding shims should be placed between the flange and heat sink to ensure optimal ground contact. Aluminum or Copper foil can be used. 5. 50 RF IN/OUT interface are required for optimal electrical performance. 6. Due to the high gain of this device it is highly recommended to maintain the reverse isolation (S12) above 50 dB.
Ordering Information The CMM1331-KU is available in plastic trays.
Part Number for Ordering CMM1331-KU Package Leaded flange package in plastic trays
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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