Measuring and Test Equipment
Calibration/Service Procedure
A Calibration/Service Procedure (CSP) contains the detail necessary for experienced calibration technicians to perform a
calibration process. It assumes familiarity with the Test Instrument (TI), measurement standards, support equipment,
general metrology techniques, terminology & definitions, and Quality Management System.
The performance of this instrument meets or exceeds all published measurement specifications (unless otherwise noted) and
is calibrated using standards traceable to the National Institute of Standards and Technology or equivalent international
standards.
Operating and Calibration Conditions
(Required to meet the listed specifications, unless otherwise defined in Section 1)
TI Warm-up Period
TI Operating Environment
0 Hr. 0 Min.
Temperature:
*
Relative Humidity
*
The calibration environment is specified in the quality documentation of the responsible calibration agency.
Any exceptions or additions are listed below.
* Not specified.
Prepared by:
P. J Wright
Manufacturer/Model/Description
Checked by:
P.J. Wright
General Procedure
Various
Date of Release:
February 1984
Frequency Meters, Coaxial
Revisions
Letter
Description
Date
Initials
H
BY7281
2-00
CRF/LDD
J
ECO-0280579
6-10
KKL
K
CO-00044592
6-2019
TJE
L
CO-00141590
6-2022
TJE
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Rockwell Collins
400 Collins Road NE
Cedar Rapids, IA 52498-0001
This procedure describes the calibration of coaxial frequency meters (cavity type) in the 0.25 to 12.4 GHz frequency range.
Meters used for testing the LRA-700 require measurement data at 4.25, 4.30, and 4.35 GHz.
Meters used for testing the ALT-50/55( )/1000/4000 and/or 860F2 require measurement data at 4.30 GHz.
Table 1
Test Instrument Parameter
A
Calibration Description
Performance Specification
Test Method
1.1
Frequency Accuracy
Listed in Calibration/Checklist Data for each TI A
Measured with a frequency counter.
1.2
Frequency Range
Listed in Appendix A for each TI
Not Checked.
1.3
VSWR
Listed in Appendix A for each TI
Not Checked.
1.4
Minimum
Absorption Dip
Listed in Appendix A for each TI
Not Checked.
1.5
Reactance Mode
Insertion Loss
Listed in Appendix A for each TI
Not Checked.
Data accuracy at 4.25, 4.30, and 4.35 GHz is 1 MHz. New data is supplied if old data varies by more than 0.5 MHz.
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Section 1
Introduction and Description
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Table 2-1
Item
2.1
Primary Frequency Standard
Minimum Use Specifications
Range: 10 MHz
Accuracy: ±1 x 10E-8
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Section 2
Equipment Requirements
Note
Equipment that meets the Minimum Use Specifications may be substituted for the listed items.
Measurement Standards
Manufacturer/Model
Collins 1000(x)FS
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Item
Support Equipment and Accessories
Minimum Use Specifications
Manufacturer/Model
2.2
Frequency Counter B
Range: 350 MHz to 12.4 GHz
Sensitivity: -10 dBm
External Frequency Reference
2.3
Power Meter/Sensor or
Thermistor Mount
Range: -20 to +10 dBm
Frequency Range: 10 MHz to 10 GHz
Frequency Range: 10 MHz to 18 GHz
Signal Generator
Output Level: 0 dBm min
Frequency Range:
250 to 450 MHz
450 to 1000 MHz
1000 to 2000 MHz
2.0 to 4.0 GHz
4.0 to 7.0 GHz
7.0 to 10.0 GHz
10.0 to 12.4 GHz
10.0 MHz to 20 GHz
Hewlett Packard 8640B
Hewlett Packard 612A
Hewlett Packard 614A
Hewlett Packard 616A
Hewlett Packard 618A
Hewlett Packard 620A
Hewlett Packard 8672A
Hewlett Packard 8341B
2.4
Keysight Technologies 53150A
EIP 545
EIP 575
EIP 578
Hewlett Packard 431C/478A
Hewlett Packard 435A/8481A or
Hewlett Packard 436A/8481A
2.5
Power Divider
Frequency Range: 0.25 to 12.4 GHz
Weinschel 1506
2.6
50 Ohm Termination
Frequency Range: 0.25 - 1.0 GHz
VSWR: <1.30
Hewlett Packard 908A
2.7
Attenuator, Coaxial
Frequency Range: 0.25 to 12.4 GHz
VSWR: <1.3
Loss: 6 dB nominal
3 dB nominal
Weinschel 1A-6 (2 required)
Weinschel 1A-3
B
Frequency counter not required between 2.0 and 12.4 GHz if the HP 8672A is used as a calibrated frequency source
(accuracy complies with MUS for frequency counter).
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Table 2-2
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3.1
Review the entire procedure before starting the calibration.
3.2
Determine the frequency range and accuracy of the TI from Calibration/Checklist Data.
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Section 3
Preliminary Operations
4.1
Frequency Accuracy Calibration
4.1.1
From the frequency range of the TI determine which signal generator should be used.
4.1.2
Connect the TE as in Figure 4-1.
Note
For the PRD 587A frequency meter, connect a tee connector to one output of the power
divider. Then connect the TI and power meter to separate ends of the tee connector and
connect a 50 ohm termination to the output of the TI.
Figure 4-1
4.1.3
Make the following control settings on the TE.
Signal Generator
Output
0 dBm
Function
CW
Range
Power Meter
For ¾ scale reading
4.1.4
Set the TI frequency control to the first frequency listed in the Calibration/Checklist Data form.
4.1.5
Adjust the signal generator frequency control for a null on the power meter. If necessary, change the power meter
range setting.
4.1.6
Note the frequency at which the null occurs on the power meter.
4.1.7
This value must be within the frequency accuracy limits of the TI.
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Section 4
Calibration Process
Repeat steps 4.1.5 to 4.1.7 for the different frequency calibration checklist control settings on the frequency meter as
in the data form.
4.1.9
If the TI is used to test the LRA-700 repeat steps 4.1.5 through 4.1.7 for 4.25, 4.30, and 4.35 GHz using the previous
data to set the TI dial. Supply new data if the old data varies from the new data by more than 0.5 MHz.
4.1.10
If the TI is used to test the ALT-50/55( )/1000/4000 or 860F2, repeat steps 4.1.5 through 4.1.7 for 4.30 GHz using
the previous data to set the TI dial.
4.2
Calibration Complete.
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4.1.8
Manufacturer:
Model:
Description:
Frequency Engineering Laboratories
WDB4080-PM
Frequency Meter
Ident No:
Temp:
RH:
Date:
Tech:
Tolerance Limits
Step
Function Tested
Nominal
Measured Value
Minimum
4.1.7
Maximum
Frequency Setting
0.05% setting
4.0 GHz
4.000 GHz
3.998 GHz
4.002 GHz
4.3
4.300
4.29785
4.30215
5.0
5.000
4.9975
5.0025
6.5
6.500
6.49675
6.50325
8.0
8.000
7.996
8.004
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Calibration Checklist/Data Form
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Manufacturer:
Model:
Description:
Step
4.1.7
General Microwave
N604
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.10% setting
2.0 GHz
2.000 GHz
1.998 GHz
2.002 GHz
3.0
3.000
2.997
3.003
4.0
4.000
3.996
4.004
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
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Manufacturer:
Model:
Description:
Step
4.1.7
General Microwave
N607
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.10% setting
0.95 GHz
0.95000 GHz
0.94905 GHz
0.95095 GHz
1.3
1.3000
1.2987
1.3013
1.7
1.7000
1.6983
1.7017
2.0
2.000
1.998
2.002
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
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Manufacturer:
Model:
Description:
Step
4.1.7
General Microwave
N608
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.10% setting
4.0 GHz
4.000 GHz
3.996 GHz
4.004 GHz
5.0
5.000
4.995
5.005
7.0
7.000
6.993
7.007
8.0
8.000
7.992
8.008
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
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Manufacturer:
Model:
Description:
Step
4.1.7
Hewlett Packard
536A
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.17% setting
1.0 GHz
1.000 GHz
0.9983 GHz
1.0017 MHz
2.0
2.000
1.9966
2.0034
3.0
3.000
2.9949
3.0051
4.0
4.000
3.9932
4.0068
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
Manufacturer:
Model:
Description:
Hewlett Packard
537A
Frequency Meter
Ident No:
Temp:
RH:
Date:
Tech:
Tolerance Limits
Step
Function Tested
Nominal
Measured Value
Minimum
4.1.7
Maximum
Frequency Setting
0.17% setting
4.0 GHz
4.0000 GHz
3.9932 GHz
4.0068 GHz
6.0 GHz
6.0000
5.9898
6.0102
8.0 GHz
8.000
7.9864
8.0136
10.0 GHz
10.000
9.983
10.017
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Calibration Checklist/Data Form
Manufacturer:
Model:
Description:
Microlab/FXR
410-A24
Frequency Meter
Ident No:
Temp:
RH:
Date:
Tech:
Tolerance Limits
Step
Function Tested
Nominal
Measured Value
Minimum
4.1.7
Maximum
Frequency Setting
0.10% setting
4.2 GHz
4.2000 GHz
4.1958 GHz
4.2042 GHz
4.25 GHz
4.2500
4.24575
4.25425
4.2990
4.3010
1 MHz
4.3
4.3000
0.10% setting
4.35
4.3500
4.34565
4.35435
4.40
4.4000
4.3956
4.4044
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Calibration Checklist/Data Form
This document may contain export controlled technical data. Do not transfer/export without proper export classification and approval.
Uncontrolled: Subject to change without notice. This export classification marking supersedes any and all other export classifications and export markings which may be contained in this document.
Manufacturer:
Model:
Description:
Step
4.1.7
Microlab/FXR
N410A
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.10% setting
1.0 GHz
1.000 GHz
0.999 GHz
1.001 GHz
2.0
2.000
1.998
2.002
3.0
3.000
2.997
3.003
4.0
4.000
3.996
4.004
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
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Manufacturer:
Model:
Description:
Step
4.1.7
Microlab/FXR
N414A
Frequency Meter
Function Tested
Ident No:
Temp:
RH:
Nominal
Minimum
Frequency Setting
0.10% setting
4.0 GHz
4.000 GHz
3.996 GHz
4.004 GHz
6.0
6.000
5.994
6.006
8.0
8.000
7.992
8.008
10.0
10.000
9.990
10.010
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
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Manufacturer:
Model:
Description:
Step
4.1.7
PRD
587A
Frequency Meter
Ident No:
Temp:
RH:
Function Tested
Nominal
Minimum
Frequency Setting
0.50% setting
300 MHz
300 MHz
298.5 MHz
301.5 MHz
500
500
499
501
700
700
698.6
701.4
1000
1000
998
1002
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
0.20% setting
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Manufacturer:
Model:
Description:
Step
4.1.7
Waveline
698-DR
Frequency Meter
Function Tested
Frequency Setting
Ident No:
Temp:
RH:
Nominal
Minimum
8.2000 GHz
8.1934 GHz
8.2066 GHz
9.3300
9.3225
9.3375
12.4000
12.3901
12.4099
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Calibration Checklist/Data Form
Date:
Tech:
Tolerance Limits
Measured Value
Maximum
Manufacturer/Model No.
FEL WDB4080-PM
VSWR
-
Minimum Absorption
Dip
Frequency Range
Reactance Mode
Insertion Loss
1 dB (nominal)
4.0 to 8.0 GHz
-
General Microwave N604
<1.3
20%
1.9 - 4.0 GHz
<0.2 dB
General Microwave N607
<1.3
20%
0.95 - 2.0 GHz
<0.2 dB
General Microwave N608
<1.3
20%
3.95 - 8.2 GHz
<0.2 dB
Hewlett Packard 536A
-
1 dB (1-4 GHz)
0.6 dB (0.96 - 1.0 GHz
and 4.0 - 4.2 GHz)
0.96 - 4.2 GHz
-
Hewlett Packard 537A
-
1 dB
3.7 - 12.4 GHz
-
Microlab/FXR 410-A24
<1.5 (in) C
<2.0 (out) C
1.0 ±0.3 dB
4.175 - 4.425 GHz
-
Microlab /FXR N410A
<1.3
10 - 40%
1.0 - 4.0 GHz
<0.5 dB
Microlab /FXR N414A
<1.3
5 - 20%
3.95 - 11.0 GHz
<0.5 dB
PRD 587A
<1.3
20%
0.25 - 1.0 GHz
<8 dB
-
1 dB
8.2 - 12.4 GHz
-
Waveline 698-DR
C
4.2 GHz to 4.4 GHz
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Appendix A