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Giga-tronics GT-1050B Microwave Power Amplifier 

Options 

Operation Manual, Part Number 34817, Rev. D, July 2013 

17 

 

Table 13: Performance Verification Measurements 

Frequency  

(GHz) 

Minimum Power  

Output (dBm) 

Measured Power  

Output (dBm) 

  Frequency  

(GHz) 

Min. Power  

Output (dBm) 

Measured Power  

Output (dBm) 

 

 

 

 

26 

25 

 

2 

26 

 

 

27 

25 

 

3 

26 

 

 

28 

25 

 

4 

26 

 

 

29 

25 

 

5 

26 

 

 

30 

23 

 

6 

26 

 

 

31 

23 

 

7 

26 

 

 

32 

23 

 

8 

26 

 

 

33 

23 

 

9 

26 

 

 

34 

23 

 

10 

25 

 

 

35 

23 

 

11 

25 

 

 

36 

23 

 

12 

25 

 

 

37 

23 

 

13 

25 

 

 

38 

23 

 

14 

25 

 

 

39 

23 

 

15 

25 

 

 

40 

20 

 

16 

25 

 

 

41 

20 

 

17 

25 

 

 

42 

20 

 

18 

25 

 

 

43 

20 

 

19 

25 

 

 

44 

20 

 

20 

25 

 

 

45 

20 

 

21 

25 

 

 

46 

20 

 

22 

25 

 

 

47 

20 

 

23 

25 

 

 

48 

20 

 

24 

25 

 

 

49 

20 

 

25 

25 

 

 

50 

20 

 

Serial Number   

 

 

 
 
 
 
 

Summary of Contents for GT-1050B

Page 1: ...Giga tronics GT 1050B Microwave Power Amplifier Operation Manual Part Number 35575 Rev A January 2014 Operation Manual GT 1050B 2 GHz to 50 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 1050B 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 1050B Model Numbers Not applicable Declaration of Conformity on file Contact Giga tronics at the following Giga tronics Incorpora...

Page 4: ...ber 35575 Rev A October 2013 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: ...2 1 Overview 3 2 1 1 Features and Benefits of the GT 1050B Microwave Power Amplifier 3 2 2 Controls Indicators and Connectors 4 2 3 Receiving and Inspection 6 2 4 Prepare the GT 1050B for Use 7 2 4 1 Cooling 7 2 4 2 AC Power Requirements 7 2 5 Shipping Repair and Calibration 7 2 5 1 Shipping the GT 1050B 7 2 5 2 Repairs 8 2 5 3 Calibration 8 CHAPTER 3 OPERATION 9 3 1 Operating Safety and Instructi...

Page 6: ...up 15 List of Tables Table 1 GT 1050B Front Panel Controls Indicators and Connections 5 Table 2 GT 1050B Rear Panel Controls Indicators and Connections 5 Table 3 Receiving and Inspection of the GT 1050B 6 Table 4 Operate the GT 1050B 9 Table 5 Frequency Range 10 Table 6 Output Power 10 Table 7 Gain Flatness 11 Table 8 Input and Output VSWR 11 Table 9 Additional Specifications 11 Table 10 General S...

Page 7: ...cates 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 1050B 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 b...

Page 8: ...d fuses or short circuited fuse holders 1 5 Important Operating Instructions The GT 1050B 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: ... 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 1050B Frequency Range 2 GHz to 50 GHz 2 4 mm compatible 1 85 mm f V input connector 2 4 mm compatible 1 85 mm f V output connector 2 1 1 Features and Benefits of the GT 1050B Microwave Power Amplifier 25 dB nominal gain over...

Page 10: ...Power Amplifier 4 Operation Manual Part Number 34817 Rev D July 2013 2 2 Controls Indicators and Connectors The following pages describe all of the features shown in Figure 1 and Figure 2 Figure 1 GT 1050B Front Panel Figure 2 GT 1050B Rear Panel ...

Page 11: ...icators and Connections Name Function Power on LED Extinguished when DC power is not applied Illuminated blue when DC power is applied OUTPUT RF output connector 2 4 mm compatible 1 85 mm f V connector Table 2 GT 1050B Rear Panel Controls Indicators and Connections GT 1050B Rear Panel Controls Indicators and Connections Name Function Power Switch Switches the unit on and off Fuse Field replaceable...

Page 12: ...t it for any signs of damage If THERE IS evidence of damage record the location and extent of the damage and contact the shipper immediately to report the damage If there is NO EVIDENCE of damage continue to the next step 2 Open the shipping container and inspect the contents for evidence of damage The contents should include the following GT 1050B Microwave Power Amplifier AC line cord If any of ...

Page 13: ...n 2 5 1 Shipping the GT 1050B If it is necessary to ship the GT 1050B 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 Comp...

Page 14: ...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 1050B 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 regard...

Page 15: ... energized Table 4 Operate the GT 1050B Operate the GT 1050B Step Action 1 Verify that the POWER switch on the rear of the unit is OFF Connect a source of AC power that meets the specifications for power in Table 10 on page 12 Put the POWER switch on the GT 1050B in the ON position NOTE For best results let the GT 1050B warm up for one minute after switching the AC power ON 2 Verify that the outpu...

Page 16: ...OTE Graphs of some of the GT 1050B characteristics are on page 13 and page 14 Table 5 Frequency Range Frequency Range Model Specification GT 1050B 2 GHz to 50 GHz GT 1051B 10 MHz to 50 GHz Table 6 Output Power Output Power Parameter Specification 2 to 10 GHz 30 dBm 1 Watt typical 26 dBm 400 mW minimum 10 to 30 GHz 28 dBm 600 mW typical 25 dBm 300 mW minimum 30 to 40 GHz 27 dBm 500 mW typical 23 dB...

Page 17: ...d Table 8 Input and Output VSWR Input and Output VSWR Connector Frequency Range 2 to 30 GHz 30 to 40 GHz 40 to 50 GHz Input 50 ohms 1 5 1 typical 2 0 1 typical 2 3 1 typical Output 50 ohms 2 0 1 typical 2 3 1 typical 2 9 1 typical Table 9 Additional Specifications Additional Specifications Parameter Specification Stability Unconditionally Stable Maximum Load VSWR 3 1 Harmonic Distortion 30 dBc typ...

Page 18: ...inches W 64 mm H x 173 mm D x 178 mm W Weight 4 5 lbs 2 kg RF Connectors 2 4 mm compatible 1 85 mm f V AC line input 100 to 240 VAC 50 to 60 Hz Single Phase Fuse 250V Type T Slow Blow 0 25 Amp Table 11 Supplemental Data Supplemental Data Parameter Specification Maximum input power RF 20 dBm DC power dissipation 20 VA maximum Connector adapters 2 92 mm f to 2 4 mm m adapter available Consult Factor...

Page 19: ...Giga tronics GT 1050B Microwave Power Amplifier Options Operation Manual Part Number 34817 Rev D July 2013 13 Figure 3 S21 typical Figure 4 Group Delay typical ...

Page 20: ...Options Giga tronics GT 1050B Microwave Power Amplifier 14 Operation Manual Part Number 34817 Rev D July 2013 Figure 5 S11 S22 typical Figure 6 Saturated Output Power typical ...

Page 21: ...shown in Table 12 and starts on page 16 4 2 1 Equipment and Material Signal source Giga tronics 2550B 50 GHz Microwave Signal Generator or equivalent Power meter Giga tronics 8651B or 8652B Power Meter or equivalent Power sensor Giga tronics 81305A 50 GHz 2 4 mm or equivalent Attenuator pad 10 dB 50 GHz 2 4 mm Attenuator Pad Test cable 2 4 mm m 50 GHz test cable Figure 7 GT 1050B Performance Verif...

Page 22: ...et signal generator to the first test frequency and RF power level at 20 dBm 6 Set power meter to first test frequency 7 Set 10 dB Offset on power meter to compensate for 10 dB attenuator pad 8 Turn on signal generator RF output and increase RF power level to 5 dBm 9 Measure power output from DUT on power meter and record the value 10 Set signal generator to the next test frequency 11 Set power me...

Page 23: ...t dBm Measured Power Output dBm Frequency GHz Min Power Output dBm Measured Power Output dBm 26 25 2 26 27 25 3 26 28 25 4 26 29 25 5 26 30 23 6 26 31 23 7 26 32 23 8 26 33 23 9 26 34 23 10 25 35 23 11 25 36 23 12 25 37 23 13 25 38 23 14 25 39 23 15 25 40 20 16 25 41 20 17 25 42 20 18 25 43 20 19 25 44 20 20 25 45 20 21 25 46 20 22 25 47 20 23 25 48 20 24 25 49 20 25 25 50 20 Serial Number ...

Page 24: ...Options Giga tronics GT 1050B Microwave Power Amplifier 18 Operation Manual Part Number 34817 Rev D July 2013 Last page of Document ...

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