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- Page 1 Giga-tronics GT-1000B Microwave Power Amplifier GT-1000B Microwave Power Amplifier Operation Manual Operation Manual, Part Number 34672-001, Rev. A, May 2013...
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Page 2: Contact Information
All technical data and specifications in this publication are subject to change without prior notice and do not represent a commitment on the part of Giga-tronics, Incorporated. © 2013 Giga-tronics Incorporated. All rights reserved. Printed in the U.S.A. Warranty Giga-tronics GT-1000B Series instruments are warranted against defective materials and workmanship for one year from date of shipment. - Page 3 Type of Equipment: Model Series Number Microwave Power Amplifier GT-1000B Model Numbers: Not applicable Declaration of Conformity on file. Contact Giga-tronics at the following; Giga-tronics, Incorporated 4650 Norris Canyon Road San Ramon, California 94583 Telephone: 800.726.4442 (only within the United States) 925.328.4650...
- Page 4 Giga-tronics GT-1000B Microwave Power Amplifier 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), and will be...
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Page 5: Table Of Contents
...........................3 HAPTER NTRODUCTION 2.1 Overview ................................3 2.1.1 Features and Benefits of the GT-1000B Microwave Power Amplifier ............3 2.3 Controls, Indicators, and Connectors .......................4 2.3.1 GT-1000B Front Panel Description ......................5 2.3.2 GT-1000B Rear Panel Description ......................6 2.3.3 Replace the Fuse ............................7 2.4 Receiving and Inspection ..........................8... - Page 6 Giga-tronics GT-1000B Microwave Power Amplifier List of Tables Table 1: GT-1000B Front Panel Indicators and Connections ..................5 Table 2: GT-1000B Rear Panel Controls, Indicators, and Connections ...............6 Table 3: Replace the GT-1000B Line Fuse ........................7 Table 4: Receiving and Inspection of the GT-1000B ....................8 Table 5: GT-1000B AC Power Specifications.......................9...
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Page 7: Chapter 1 Safety And Manual Conventions
WARNING: Indicates a hazardous situation which, if not avoided, could result in death WARNING or serious injury. 1.2 Equipment Safety Alert CAUTION: Indicates a situation which can damage or adversely affect the GT-1000B or CAUTION 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. -
Page 8: Electrical Safety Precautions
1.5 Electrical Safety Precautions WARNING • An uninterruptible safety earth ground must be provided from the main power source to the GT-1000B. • Any interruption of the protective ground conductor (internal or external to the instrument) or disconnecting the protective earth terminal will cause a potential shock hazard that could result in personal injury. -
Page 9: Chapter 2 Introduction
2.1.1 Features and Benefits of the GT-1000B Microwave Power Amplifier • The standard GT-1000B typically provides 10 Watts 2 to 8 GHz, and 5 Watts up to 20 GHz. The GT-1000B Option 06 typically provides 7 Watts 100 MHz to 8 GHz and 5 watts up to 18 GHz. -
Page 10: Controls, Indicators, And Connectors
Introduction Giga-tronics GT-1000B Microwave Power Amplifier 2.3 Controls, Indicators, and Connectors The following pages describe all of the features shown in Figure 1, Figure 2 and Figure 3 below: Figure 1: GT-1000B Front Panel Figure 2: Front Panel Indicators Figure 3: GT-1000B Rear Panel Page 4 Operation Manual, Part Number 34672-001, Rev. -
Page 11: Gt-1000B Front Panel Description
Table 1 describes the parts and functions of items on the front panel. Refer to Figure 1 on the previous page for the location of the items on the front Panel. Table 1: GT-1000B Front Panel Indicators and Connections GT-1000B Front Panel Indicators and Connections... -
Page 12: Gt-1000B Rear Panel Description
Provides the AC power input and over-current protection for the amplifier. For fuse specifications at the AC voltage to be used for the GT-1000B, see Table 13 on page 15. NOTE: Instructions for replacing the fuse are located on page 7. -
Page 13: Replace The Fuse
Action Use the power switch on the front of the GT-1000B to switch the power OFF. On the rear of the GT-1000B, disconnect the AC line cord. The fuse compartment is located next to the AC line cord socket. Remove the fuse as follows (see Figure below): A) Use a small flat-blade screwdriver to pry open the fuse compartment. -
Page 14: Receiving And Inspection
• Operation Manual • AC line cord If any of the contents are damaged or missing, contact Giga-tronics immediately. Refer to the Contact Information on the inside of the front cover of this manual. End of procedure Page 8 Operation Manual, Part Number 34672-001, Rev. A, May 2013... -
Page 15: Prepare The Gt-1000B For Use
2.5.1 Cooling The GT-1000B has an internal cooling fan. The air exhaust is located on the rear panel of the instrument. When using the GT-1000B, ensure there are no obstructions to the flow of air into the instrument. Clean the fan filter regularly, to prevent it becoming clogged and disrupting the air flow. -
Page 16: Shipping, Repair, And Calibration
925.328.4702 925.328.4702 2. If it is has been determined that you must ship the GT-1000B 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 regarding the repair. -
Page 17: Chapter 3 Operate The Gt-1000B
Energize the output of the signal source. NOTE: The GT-1000B has a Remote RF Off input. This input may be used to enable or disable the RF output. Open circuit = RF On. Short circuit to ground = RF Off. -
Page 18: Operator's Maintenance
Giga-tronics GT-1000B Microwave Power Amplifier 3.2 Operator’s Maintenance The only operator’s maintenance that the GT-1000B requires is regular cleaning of the air exhaust screen and interior of the instrument. Both are important in order to maintain cooling airflow through the GT-1000B. -
Page 19: Chapter 4 Performance Verification
• Specifications: this section contains all of the operating specifications that define the performance of the GT-1000B. • Performance Verification: this section contains the test procedure that ensures that the GT-1000B meets the specifications. 4.1 Specifications Table 8: General Performance... -
Page 20: Table 10: Gain Flatness
RF Input power for normal operation should be limited to +17 dBm maximum. • RF Output power (standard GT-1000B) with Option 01 is decreased by 1 dB. • RF Output power (GT-1000B Option 06) with Option 01 is decreased by 2 dB. Table 10: Gain Flatness Gain Flatness Frequency Range... -
Page 21: Table 13: Ac Fuse
Unconditionally Stable Maximum Load VSWR Standard GT-1000B (2 GHz to 20 GHz): < -30 dBc Harmonic Distortion GT-1000B Option 06 (100 MHz to 18 GHz): < -25 dBc Spurious < -60 dBc typical Noise Figure < 10 dB typical, < 14 dB maximum Harmonics measured at +27 dBm output power. -
Page 22: Performance Verification
4.2 Performance Verification This section describes how to test the GT-1000B to verify that it meets Giga-tronics specifications. The overall operation of the GT-1000B Microwave Power Amplifier is checked using a broadband signal source, power sensor, and a power meter. -
Page 23: Table 15: Gt-1000B Performance Verification Procedure
Set the 2520B frequency to 2 GHz (Standard GT-1000B) or 100 MHz (GT-1000B Option 06), the frequency step size to 1 GHz (Standard GT-1000B) or 100 MHz (GT-1000B Option 06), and the RF output power level to +5 dBm. -
Page 24: Table 16: Gt-1000B Performance Verification Datasheet
Performance Verification Giga-tronics GT-1000B Microwave Power Amplifier Table 16: GT-1000B Performance Verification Datasheet GT-1000B Performance Verification Datasheet Frequency Minimum Power Output (dBm) Measured Power Output (dBm) (GHz) Standard Option 06 Standard Option 06 38.5 38.5 38.5 38.5 38.5 38.5 36 (typical) -
Page 25: Appendixa Options
Giga-tronics GT-1000B Microwave Power Amplifier Appendix A Options Appendix A Options This section describes the options that are available for the GT-1000B. Table 17: GT-1000B Options GT-1000B Options Option Number Description Add internal coupler/detector for ext. ALC and power monitoring... - Page 26 Appendix A: Options Giga-tronics GT-1000B Microwave Power Amplifier Last page of Document Page 20 Operation Manual, Part Number 34672-001, Rev. A, May 2013...
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