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Giga-tronics GT-1020A Microwave Power Amplifier

Operation Manual, Part Number 34980, Rev. A, January 2011

Operation Manual

GT-1020A 100 MHz to 20 GHz

Microwave Power Amplifier

Summary of Contents for GT-1020A

Page 1: ...Giga tronics GT 1020A Microwave Power Amplifier Operation Manual Part Number 34980 Rev A January 2011 Operation Manual GT 1020A 100 MHz to 20 GHz Microwave Power Amplifier ...

Page 2: ...442 only within the United States 925 328 4650 Fax 925 328 4700 On the Internet www gigatronics com Warranty Giga tronics GT 1020A Microwave Power Amplifiers are warranted against defective materials and workmanship for one year from date of shipment Giga tronics will at its option repair or replace products that are proven defective during the warranty period This warranty DOES NOT cover damage r...

Page 3: ...ve EN61010 1 1993 Electrical Safety EN61326 1 1997 EMC Emissions and Immunity Manufacturer s Name Manufacturer s Address Giga tronics Incorporated 4650 Norris Canyon Road San Ramon California 94583 U S A Type of Equipment Model Series Number Microwave Power Amplifier GT 1020A Model Numbers Not applicable Declaration of Conformity on file Contact Giga tronics at the following Giga tronics Incorpora...

Page 4: ...ber 34980 Rev A January 2011 Record of Changes to This Manual Use the table below to maintain a permanent record of changes to this document Replacement pages will be issued as a TPCI Technical Publication Change Instruction TPCI Number TPCI Issue Date Date Entered Comments ...

Page 5: ...CTION 3 2 1 Overview 3 2 1 1 Features and Benefits of the GT 1020A Microwave Power Amplifier 3 2 2 Controls Indicators and Connectors 4 2 3 Receiving and Inspection 5 2 4 Prepare the GT 1020A for Use 6 2 4 1 Cooling 6 2 4 2 AC Power Requirements 6 2 5 Shipping Repair and Calibration 6 2 5 1 Shipping the GT 1020A 6 2 5 2 Repairs 7 2 5 3 Calibration 7 CHAPTER 3 OPERATION 9 3 1 Operating Safety and I...

Page 6: ... 1 GT 1020A Front Panel Controls Indicators and Connections 5 Table 2 GT 1020A Rear Panel Controls Indicators and Connections 5 Table 3 Receiving and Inspection of the GT 1020A 5 Table 4 Operate the GT 1020A 9 Table 5 Frequency Range 11 Table 6 Output Power 11 Table 7 Gain Flatness 12 Table 8 Input and Output VSWR 12 Table 9 Additional Specifications 12 Table 10 General Specifications 13 Table 11 ...

Page 7: ...icates a hazardous situation which if not avoided could result in death or serious injury 1 2 Equipment Safety Alert CAUTION Indicates a situation which can damage or adversely affect the GT 1020A or associated equipment 1 3 Notes Notes are denoted and used as follows NOTE Highlights or amplifies an essential operating or maintenance procedure practice condition or statement Review this manual to ...

Page 8: ...ed fuses or short circuited fuse holders 1 5 Important Operating Instructions The GT 1020A Amplifier does not include an enable disable feature to activate and deactivate the amplifier When connecting or disconnecting the output of the amplifier ensure that the power switch on the rear of the amplifier is in the OFF position When connecting the amplifier to a transmitting device observe all safety...

Page 9: ...ithout the warm up time drift or aging issues of traveling wave tube amplifiers TWTA They feature low noise figure low harmonics and spurious content and are highly tolerant to load mismatch GT 1020A Frequency Range 100 MHz to 20 GHz operational to 10 MHz SMA f input and output connectors 2 1 1 Features and Benefits of the GT 1020A Microwave Power Amplifier 35 dB nominal gain over the 100 MHz to 2...

Page 10: ...wer Amplifier 4 Operation Manual Part Number 34980 Rev A January 2011 Controls Indicators and Connectors The following pages describe all of the features shown in Figure 1 and Figure 2 below Figure 1 GT 1020A Front Panel Figure 2 GT 1020A Rear Panel ...

Page 11: ...F Input connector GT 1020A SMA f Fan Cooling fan for unit internal 2 3 Receiving and Inspection Follow the procedure in Table 3 for receiving and inspecting the GT 1020A Table 3 Receiving and Inspection of the GT 1020A Step Action 1 Before opening the shipping container inspect it for any signs of damage If THERE IS evidence of damage record the location and extent of the damage and contact the sh...

Page 12: ...ion 2 5 1 Shipping the GT 1020A If it is necessary to ship the GT 1020A observe the following Use the best packaging materials available If possible reuse the original shipping container If the original shipping container is not available use a strong carton 350 lbs sq in bursting strength or a wooden box Wrap the amplifier in heavy paper or plastic before placing it into the shipping container Co...

Page 13: ... following information Contacting Giga tronics Customer Service Email repairs gigatronics com Telephone within the United States 800 726 4442 Telephone 925 328 4702 Fax 925 328 4702 2 If it is has been determined that you must ship the GT 1020A to the factory or a service center for repair you will be issued a Return Materials Authorization RMA number Use the RMA number in all correspondence regar...

Page 14: ...nergized Table 4 Operate the GT 1020A Step Action 1 Verify that the POWER switch on the rear of the unit is OFF Plug the included AC line cord into a source of AC power that meets the specifications for power in Table 10 on page 13 Put the POWER switch on the GT 1020A in the ON position NOTE For best results let the GT 1020A warm up for one minute after switching the AC power ON 2 Verify that the ...

Page 15: ...procedure that ensures that the GT 1020A meets the specifications 4 1 Specifications NOTE Graphs of some of the GT 1020A characteristics are on page 14 Table 5 Frequency Range Model Specification GT 1020A 100 MHz to 20 GHz operational to 10 MHz Table 6 Output Power Parameter Specification 100 MHz to 10 GHz 28 dBm 600 mW typical 26 dBm 400 mW minimum 10 to 20 GHz 27 dBm 500 mW typical 25 dBm 300 mW...

Page 16: ...d Table 8 Input and Output VSWR Connector Frequency Range 100 MHz to 20 GHz Input 50 Ohms 2 0 1 typical Output 50 Ohms 2 0 1 typical Table 9 Additional Specifications Parameter Specification Stability Unconditionally Stable Maximum Load VSWR 3 1 Maximum Input Power RF 20 dBm Third Order Intercept 35 dBm nominal referenced to output Harmonic Distortion 30 dBc nominal Spurious 60 dBc nominal Reverse...

Page 17: ...ral Specifications Parameter Specification Operating Temperature 0 C to 50 C Storage Temperature 20 C to 75 C Cooling Forced air Dimensions 2 5 inches H x 6 8 inches D x 7 0 inches W 64 mm H x 173 mm D x 178 mm W Weight 4 5 lbs 2 kg RF Connectors SMA f Power Supply AC line input 100 to 240 VAC 47 to 440 Hz Single Phase Line Power 20 VA maximum ...

Page 18: ...Performance Verification Giga tronics GT 1020A Microwave Power Amplifier 14 Operation Manual Part Number 34980 Rev A January 2011 Figure 3 Saturated Output Power nominal Figure 4 Gain nominal ...

Page 19: ...ed using a broadband signal source power sensor and a power meter The test setup is shown in Figure 5 The procedure starts on the next page Equipment and Material Signal source Giga tronics 2520B 20 GHz Microwave Signal Generator or equivalent Power meter Giga tronics 8651B or 8652B Power Meter or equivalent Power sensor Giga tronics 80323A 20 GHz 1 Watt SMA or equivalent Test cable SMA m 20 GHz t...

Page 20: ...nd allow to warm up for 30 minutes 5 Set signal generator to the first test frequency and RF power level at 20 dBm 6 Set power meter to first test frequency 7 Turn on signal generator RF output and increase RF power level to 5 dBm 8 Measure power output from DUT on power meter and record the value in Table 12 9 Set signal generator to the next test frequency 10 Set power meter to next test frequen...

Page 21: ...mber 34980 Rev A January 2011 17 Performance Verification Continued Table 12 Performance Verification Measurements Frequency GHz Minimum Power Output dBm Measured Power Output dBm 2 26 3 26 4 26 5 26 6 26 7 26 8 26 9 26 10 26 11 25 12 25 13 25 14 25 15 25 16 25 17 25 18 25 19 25 20 25 Serial Number ...

Page 22: ...fier Appendix A Options Operation Manual Part Number 34980 Rev A January 2011 19 Appendix A Options This section describes the options that are available for the GT 1020A Table 13 GT 1020A Options Option Number Description 46 Add Rack Mount Kit ...

Page 23: ...Appendix A Options Giga tronics GT 1020A Microwave Power Amplifier 20 Operation Manual Part Number 34980 Rev A January 2011 Last page of Document ...

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