Related Manuals for Tegam 2602A
Summary of Contents for Tegam 2602A
- Page 1 Power Standard Model 2602A Instruction and Service Manual PN# 2602A-900 Publication Date: January, 2018 REV. B 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 2 Scientific Industries (ESI), Gertsch, Keithley Instruments, Lucas Weinschel, and Pragmatic Instruments. A complete list can be viewed on our Product Service Directory at www.tegam.com For more information about TEGAM and our products, please visit our website at www.tegam.com: or contact one of our customer service representatives at sales@tegam.com...
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Page 3: Table Of Contents
Connector Care and Cleaning ..............5-3 Preparation for Shipment Returning power standard for service............. 7-1 Repacking for shipment ............... 7-1 VII. Storage Temperature and other environmental limitations ........8-1 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com... - Page 4 As Marked on Equipment: CAUTION – Risk of Danger DANGER – Risk of Electric Shock Earth Ground Terminal Frame or Chassis Terminal Earth Ground Terminal Alternating Current 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
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Page 5: Introduction
-55° to +75° C (-67° to +167° F) Physical Dimensions: Height 176 mm (6.93 in) Width 266 mm (10.47 in) Depth 128 mm (5.04 in) Weight 5 kg (11 lbs) 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com... - Page 6 Once you have verified that the cause for the Coaxial RF Power Standards malfunction cannot be solved in the field and the need for repair and calibration service arises, contact TEGAM customer service to obtain an RMA, (Returned Material Authorization), number. You can contact TEGAM customer service via the TEGAM website, www.tegam.com...
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Page 7: Expedite Repair Form
Include information such as measurement range, instrument settings, type of components being tested, is the problem intermittent? When is the problem most frequent?, Has anything changed with the application since the last time the instrument was used?, etc. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com... - Page 8 Section I – Introduction Warranty TEGAM, Inc. warrants this product to be free from defects in material and workmanship for a period of one (1) year from the date of shipment. During this warranty period, if a product proves to be defective, TEGAM Inc., at its option, will either repair the defective product without charge for parts and labor, or...
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Page 9: Preparation For Use And Installation
Mounting The Model 2602A is not designed to be rack mounted. Only use with Proper Equipment: The 2602A is designed to be used with the TEGAM Model 1830A with bias and heater cable CA-21-15 or CA-21-48. Use in Proper Environment Normal calibration laboratory practice dictates that the environment should be closely controlled. - Page 10 Do Not Operate Without Covers WARNING: This device should be operated with all panels and covers in place. Operation with missing panels or covers could result in personal injury. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
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Page 11: Principles Of Operation
Theory of RF Measurements with the 2602A Power Measurements RF power is measured in terms of a power change across the precision resistance leg of a TEGAM 1830A Bridge Circuit. A digital voltmeter measures voltage across the precision resistance leg which can be used to determine the power. -
Page 12: Power Splitters
Power Splitter The Models 2602A contain a two-element resistive power splitter. The T-shaped divider contains a series 50 ohm resistor in each of the two legs. The test port is a Type N Connector precision female connector. -
Page 13: Operating Instructions
These units are designed as the sensing element in RF power calibration and measurement systems. The 2602A is no different other than its ability to work in a much higher power range due to the coupler located on the input. The 2602A is designed to work in a system with a calorimeter. An example of this type of system is the TEGAM Model 1314 Calorimeter. - Page 14 1830A. Use the appropriate cables that meet your equipment application. The RF IN on the 2602A Power Standards is a Type N female connector. The RF IN is connected to the output of the chosen signal generator through an RF amplifier, which should be 50 Ohm nominal impedance.
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Page 15: Calculating Calibration Factors
Figure 4.1 shows a signal flow diagram of two one-port devices connected together. The left-hand port is the “output”, or “generator” port and is designated on the diagram using the subscript, “g”. The right- 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com... - Page 16 �� 1 − Γ Γ �� �� Now rewrite as power, substituting in �� , and �� = | �� = |�� �� �� �� �� ��0 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 17 ( 1 − �� cos ( �� + ( �� sin ( �� �� + �� �� + �� �� �� �� �� �� �� �� �� 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 18 This revision of the original formula assumes many things that are not necessarily true. Things that may not necessarily show up at lower frequencies but will certainly show up at higher frequencies where 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 19 N-type connector to the more sensitive 3.5 mm and 2.4 mm connectors. By looking at Figure 4.4 we can get a practical visualization of the relationship between calibration factor, gamma and effective efficiency 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 20 Section IV – Operating Instructions 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 21 Section IV – Operating Instructions Figure 4.4 - Relationship between calibration factor, gamma, and effective efficiency 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
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Page 22: Maintenance And Servicing
The 2602A should be calibrated periodically to maintain accuracy when using these standards. The frequency and method of calibration can vary based on the customer’s requirement. TEGAM maintains full capability to calibrate these standards. Contact TEGAM to discuss your specific needs or to set up a return RMA to have your standard calibrated. - Page 23 Do not snap the wrench more than once as this also causes over-torque. CONNECTOR RECOMMENDED TORQUE Type N Connector 12.0 in/lbs Figure 6.1 Recommended APC Type N Connector Torque 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
- Page 24 When satisfied that the interfaces are clean, blow them dry with dry compressed air, or preferably dry nitrogen (pressurized spray cans work well). Do not use breath. • Clean the mating connectors. These may be the source of the debris. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
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Page 25: Preparation For Shipment
CAUTION: 2602A damage can result from using packaging materials other than those specified. 5. Retain copies of all shipping papers. NOTE: Refer to page 1-6 of the introduction for information on how to obtain a RMA from TEGAM. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com... - Page 26 90 days, place desiccant with items before sealing container. The safe environmental limits for storage are -55° to +75° C (-67° to +167° F) at less than 95% non-condensing relative humidity. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
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