SECTION I. IDENTIFICATION AND DESCRIPTION

CALIBRATION PROCEDURE FOR POWER SENSORS AND THERMISTOR MOUNTS 10 MHZ TO 40 GHZ (GENERAL)

Table 1. Minimum Specifications of Equipment Required

Calibration Procedure For Power Sensors And Thermistor Mounts 10 Mhz To 40 Ghz (General) Page Navigation
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TB 9-6625-1932-24

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SECTION

IV.

CALIBRATION PROCESS

SECONDARY TRANSFER ONLY)

Preliminary instructions .......................................

Equipment setup ....................................................

Calibration factors .................................................

Final procedure ......................................................

Test instrument specifications...............................

A-1

APPENDIX

Conversions of VSWR to return loss dB................

B-1

APPENDIX

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification.

This bulletin provides instructions for the

calibration of Power Sensors and Thermistor Mounts 10 MHz to 40 GHz (General). The

manufacturers' specifications were used as the prime data sources in compiling these instructions.

The equipment being calibrated will be referred to as the TI (test instrument) throughout

this bulletin.

a. Model Variations.

Variations among models are described in the text and

Appendix A.

b. Time and Technique. The time required for this calibration is approximately 2

hours, using the microwave technique.

2. Forms, Records, and Reports. Forms, records, and reports required for calibration

personnel at all levels are prescribed by TB-750-25.

3. Calibration Description. TI parameters and performance specifications which

pertain to this calibration are listed in Appendix A. Any other power sensors or thermistor

mounts within the frequency range prescribed in this bulletin may be calibrated following

these instructions provided the manufacturers' specifications are available.

SECTION II

EQUIPMENT REQUIREMENTS

4. Equipment Required. Table 1 identifies the specific equipment to be used in this

calibration procedure. This equipment is issued with Secondary Transfer Calibration

Standards Set AN/GSM-286, AN/GSM-287, AN/GSM-705 or Secondary Reference

Calibration Set 4931-00-621-7878. Alternate items may be used by the calibrating activity.

The items selected must be verified to perform satisfactorily prior to use and must bear

evidence of current calibration. The equipment must meet or exceed the minimum use

specifications listed in table 1. The accuracies listed in table 1 provide a four-to-one ratio

between the standard and TI.

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