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P.O. Box 580816  

  Modesto, CA 95358 

 

 www.2450mhz.com  

 

 

Product User Manual 

 

Model GA101x Series 

High Power E-H Tuner 

 

 

 

 

Document # 930024, Rev. 2 

 

Summary of Contents for GA101 Series

Page 1: ...P O Box 580816 Modesto CA 95358 www 2450mhz com Product User Manual Model GA101x Series High Power E H Tuner Document 930024 Rev 2 ...

Page 2: ...e authorized by GAE All shipping charges for warranty repair or replacement are the purchaser s responsibility unless otherwise agreed to by GAE This warranty supercedes all other warranties expressed or implied No warranty is given covering the product for any particular purpose other than as covered by the applicable product specifications GAE assumes no liability in any event for incidental or ...

Page 3: ... of 10 milliwatts per square centimeter to be generated in an area accessible to operating personnel Contact GAE Inc for technical support prior to installation and or operation of these units if there is any question or concern about microwave leakage All waveguide flange and electrical cable connections throughout the system must be secure prior to operation Never operate the microwave generator...

Page 4: ...odesto CA TABLE OF CONTENTS EQUIPMENT DESCRIPTION 5 General Specifications 5 INSTALLATION 6 Preliminary Inspection 6 Waveguide Configuration 6 Flange Connections 6 Flange Alignment Pins 7 OPERATION 8 Basic Operation 8 Standard Tuning Procedure 8 False Null 9 High Power Operation 9 MAINTENANCE AND CALIBRATION 10 ...

Page 5: ...nisms with multi turn digital readout dials for accurate and repeatable positioning In both models the stub housings are designed with 1 4 wave reactive chokes allowing use in high Q applications Construction of these tuners is dip brazed aluminum waveguide aluminum plungers and brass stainless steel drive mechanisms Models GA1014 and GA1018 feature the popular WR284 Q D quick disconnect round fla...

Page 6: ... Waveguide Configuration The high power E H tuner can be connected to and used with any common waveguide component having a compatible flange see below Mounting can be in any convenient position and orientation with either flange positioned towards the process load Ideally the tuner should be located as close to the process load as possible Figure 1 illustrates a typical waveguide configuration Fi...

Page 7: ...ded holes centered above and below the waveguide broadwalls For obvious reasons the pins must not be installed such that they are opposite each other on mating flanges Microwave Leakage Regulatory limits for microwave leakage relate to standards for human safety and interference with other electronic devices Standards for human safety as adopted by OSHA the International Electrotechnical Commissio...

Page 8: ...cause damage to the tuning plungers Standard Tuning Procedure A recommended tuning procedure for first time matching of a given load is as follows 1 Slowly adjust one plunger in either direction while monitoring the level of reflected power If reflected power increases while adjusting in one direction then reverse directions and continue adjusting until the reflected power stops decreasing 2 Repea...

Page 9: ...e at microwave power levels up to 6kW depending on model However under certain high power conditions such as a high Q factor it may be possible to cause excessive heating that may be hazardous to operating personnel and or result in damage The electric field strength in any waveguide device is a function of both power level and Q factor Excessively high electric fields can result in discharge arci...

Page 10: ...designed to be maintenance free and does not require any user maintenance under normal operating conditions No calibration is necessary Although the GA101x series tuners are very rugged and stable devices they can be subject to damage due to excessive power levels or mishandling If damage occurs the circulator should be returned to GAE for repair Contact GAE for information on repair services ...

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