Giga-tronics GT-1051A Manuale utente
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 2011
Operation Manual
GT-1051A 10 MHz to 50 GHz
Microwave Power Amplifier
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 2011
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.
© 2011 Giga-tronics Incorporated. All rights reserved. Printed in the U.S.A.
CONTACT INFORMATION
Giga-tronics, Incorporated
4650 Norris Canyon Road
San Ramon, California 94583
Telephone: 800.726.4442 (only within the United States)
925.328.4650
Fax: 925.328.4700
On the Internet: www.gigatronics.com
Warranty
Giga-tronics GT-1051A 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
resulting from improper use, nor workmanship other than
Giga-tronics service. There is no implied warranty of fitness
for a particular purpose, nor is Giga-tronics liable for any
consequential damages. Specification and price change
privileges are reserved by Giga-tronics.
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 2011
Regulatory Compliance Information
This product complies with the essential requirements of the following applicable European
Directives, and carries the CE mark accordingly.
89/336/EEC and 73/23/EEC EMC Directive and Low Voltage Directive
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-1051A
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
Fax: 925.328.4700
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 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
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 2011
Table of Contents
CHAPTER 1SAFETY AND MANUAL CONVENTIONS .................................................................................................... 1
1.1 Personal Safety Alert ....................................................................................................................................... 1
1.2 Equipment Safety Alert.................................................................................................................................... 1
1.3 Notes................................................................................................................................................................ 1
1.4 Electrical Safety Precautions ........................................................................................................................... 2
1.5 Important Operating Instructions ................................................................................................................... 2
CHAPTER 2INTRODUCTION................................................................................................................................. 3
2.1 Overview.......................................................................................................................................................... 3
2.1.1 Features and Benefits of the GT-1051A Microwave Power Amplifier ..................................................... 3
2.2 Controls, Indicators, and Connectors .............................................................................................................. 4
2.3 Receiving and Inspection................................................................................................................................. 6
2.4 Prepare the GT-1051A 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-1051A............................................................................................................................. 7
2.5.2 Repairs...................................................................................................................................................... 8
2.5.3 Calibration ................................................................................................................................................ 8
CHAPTER 3OPERATION ..................................................................................................................................... 9
3.1 Operating Safety and Instructions................................................................................................................... 9
CHAPTER 4PERFORMANCE VERIFICATION ............................................................................................................ 10
4.1 Specifications................................................................................................................................................. 10
4.2 Performance Verification .............................................................................................................................. 15
4.2.1 Equipment and Material ........................................................................................................................ 15
APPENDIX AOPTIONS ..................................................................................................................................... 18
Giga-tronics GT-1051A Microwave Power Amplifier
Operation Manual, Part Number 35019, Rev. A, March 2011
List of Figures
Figure 1: GT-1051A Front Panel ................................................................................................................................ 4
Figure 2: GT-1051A Rear Panel.................................................................................................................................. 4
Figure 3: DC Power Input........................................................................................................................................... 5
Figure 4: DET Connector............................................................................................................................................ 5
Figure 5: S21 (typical) .............................................................................................................................................. 13
Figure 6: Group Delay (typical)................................................................................................................................ 13
Figure 7: S11, S22 (typical) ...................................................................................................................................... 14
Figure 8: Saturated Output Power (typical) ............................................................................................................ 14
Figure 9: GT-1051A Performance Verification Setup .............................................................................................. 15
List of Tables
Table 1: GT-1051A Front Panel Controls, Indicators, and Connections .................................................................... 5
Table 2: GT-1051A Rear Panel Controls, Indicators, and Connections ..................................................................... 5
Table 3: Receiving and Inspection of the GT-1051A.................................................................................................. 6
Table 4: Operate the GT-1051A................................................................................................................................. 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 Specifications ............................................................................................................................. 12
Table 11: Supplemental Data .................................................................................................................................. 12
Table 12: GT-1051A Performance Verification Procedure...................................................................................... 16
Table 13: Performance Verification Measurements ............................................................................................... 17
Table 14: GT-1051A Options ................................................................................................................................... 18
Giga-tronics GT-1051A Microwave Power Amplifier Safety and Manual Conventions
Operation Manual, Part Number 35019, Rev. A, March 2011 1
Chapter 1 Safety and Manual Conventions
This manual contains conventions regarding safety and equipment usage as described below.
1.1 Personal Safety Alert
WARNING: Indicates 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-1051A 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 become familiar with the instrument safety markings and instructions before
operation.
WARNING
!
CAUTION
Safety and Manual Conventions Giga-tronics GT-1051A Microwave Power Amplifiers
2 Operation Manual, Part Number 35019, Rev. A, March 2011
1.4 Electrical Safety Precautions
Any servicing instructions are for use by service-trained personnel only. To avoid personal injury, do not
perform any service unless you are qualified to do so.
For continued protection against fire hazard, replace the AC line fuse only with a fuse of the same current
rating and type. Do not use repaired fuses or short circuited fuse holders.
1.5 Important Operating Instructions
The GT-1051A 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 procedures to ensure that the
amplifier isn’t interfering with other systems in the area. High power microwaves can adversely affect power
sensitive instruments in the area of transmission.
Exercise precautions to avoid exposure to radiated microwave energy at all times.
Giga-tronics GT-1051A Microwave Power Amplifier Introduction
Operation Manual, Part Number 35019, Rev. A, March 2011 3
Chapter 2 Introduction
2.1 Overview
The Giga-tronics GT-1051A Microwave Power Amplifiers are high-performance solid-state microwave power
amplifiers. The Giga-tronics GT-1051A provide excellent pulse fidelity, low intermodulation distortion, high
linearity and superior gain flatness without 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-1051A:
Frequency Range: 10 MHz to 50 GHz.
2.4 mm (f) input and output connectors.
2.1.1 Features and Benefits of the GT-1051A Microwave Power Amplifier
25 dB nominal gain over the 10 MHz to 50 GHz frequency range.
Ideal for testing in R&D labs, ATE systems, wireless communications applications and defense EW
systems.
Small size allows easily placing the amplifier close to the device under test.
Introduction Giga-tronics GT-1051A Microwave Power Amplifier
4 Operation Manual, Part Number 35019, Rev. A, March 2011
2.2 Controls, Indicators, and Connectors
The following pages describe all of the features shown in Figure 1 and Figure 2.
Figure 1: GT-1051A Front Panel
Figure 2: GT-1051A Rear Panel
Indice
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