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Tegam 2510A Instruction And Service Manual

Coaxial rf power standards
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RF Coaxial Power Standards
Models 1510A and 2510A
Instruction and Service Manual
PN# 1510A/2510A-900
Publication Date: March, 2016
REV. H
10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com

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Summary of Contents for Tegam 2510A

  • Page 1 RF Coaxial Power Standards Models 1510A and 2510A Instruction and Service Manual PN# 1510A/2510A-900 Publication Date: March, 2016 REV. H 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...

  • 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...

  • Page 5: Introduction

    Thermistor Resistance at Bias 200 Ohms (set by balancer) Temperature Operating +15° to +30° C (+59° to +86° F) Storage -55° to +75° C (-67° to +167° F) 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 6 Height 10.5 cm (4.1 in) 7.2 cm (2.8 in.) Width 21.7 cm (8.5 in) 8.2 cm (3.2 in.) Depth 33.8 cm (13.3 in) 13.8 cm (5.4 in.) 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 7 TEGAM Model 1805B can be used to heat the 2510A and 1510A with cable CA-29-48. The 1805B is for heating only and cannot be used for power measurements or biasing of the 2510A or 1510A. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 8 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...

  • Page 9: 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 10 TEGAM, Inc. warrants the calibration of this product for a period of 1 year from date of shipment. During this period, TEGAM, Inc. will recalibrate any product, which does not conform to the published accuracy specifications.

  • Page 11: Preparation For Use And Installation

    Calibration Certificate with Data Mounting The Model 2510A is shipped with four plastic feet mounted to the bottom cover. When any of these models are placed on a bench or table, the feet support the instrument. For rack mounting of Model 2510A use rack mount kit, (Single) P/N 1830-910 –...
  • Page 12 Section II – Preparation for Use and Installation Do Not Use in Explosive Environments CAUTION: The 1510A and 2510A are not designed for operation in explosive environments. 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.

  • Page 13: Principles Of Operation

    Theory of RF Measurements with the 2510A and 1510A Power Measurements RF power is measured in terms of a power change across the precision resistance leg of a TEGAM 1830A, 1806A, 1806 Bridge Circuit. A digital voltmeter measures voltage across the precision resistance leg which can be used to determine the power.

  • Page 14: Power Splitters

    Power Splitter The Models 2510A 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 an APC 2.4 mm precision female connector. Use of the splitter in a closed loop configuration that applies constant power causes the common point (divider) to become a constant voltage point.

  • Page 15: Operating Instructions

    TEGAM Model 1830A, 1806A, and 1806. The bridge operates on the principal of DC substitution, so only DC voltages and currents are present at these terminals when connected. In addition, the TEGAM Model 1805B can be used to heat the 2510A and 1510A with cable CA- 29-48.
  • Page 16 TEGAM Model 1830A, 1806A, and 1806. The bridge operates on the principal of DC substitution, so only DC voltages and currents are present at these terminals when connected. In addition, the TEGAM Model 1805B can be used to heat the 2510A and 1510A with cable CA- 29-48.

  • Page 17: Calculating Calibration Factors

    SubF When connecting a 1510A or 2510A to an 1806 or 1806A; in addition to a 2 hour warm up time, operator should observe stability in the bias voltage. Bias voltage stability refers to less than 50uV change per 30 minutes as a general guideline. The error light does not apply when connecting the 1510A or 2510A to the 1806A.
  • Page 18 Start with the signal flow diagram. In this case, a Generator “g” is represented by an ideal source “s”, and its port reflection, and the sensor is termed the load, “l”. 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 19 Now rewrite as power, substituting in �� = | �� , and �� = ��� � �� �� �� �� ��0 �� �� �� ��0 �1 − Γ Γ � �� �� �� 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 20 ) + �� �� ( �� + �� ) + �� �� ( �� + �� �� �� �� �� �� �� �� �� �� �� �� �� 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 21 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 22 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...

  • Page 23: Maintenance And Servicing

    Maintenance Care and Handling of Assemblies To ensure accurate measurements and optimal performance of TEGAM products, the microwave coaxial cable assemblies used in system and test setups must be properly used and maintained. Proper connections, routine inspection of all cables, and cleaning of the connectors are extremely important procedures which can prolong the longevity and accuracy of equipment.
  • Page 24 Do not snap the wrench more than once as this also causes over-torque. CONNECTOR RECOMMENDED TORQUE APC 2.4 mm 8.0 in/lbs Figure 6.1 Recommended APC 2.4 mm Torque 10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com...
  • Page 25 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...

  • Page 26: Preparation For Shipment

    CAUTION: 2510A/1510A 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 27 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...

This manual is also suitable for:

1510a

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