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Summary of Contents for Keysight Technologies 85131C
- Page 1 Keysight Technologies 85131C/D/G NMD-3.5 mm -f- to 3.5 mm Semi-Rigid Test Port Return Cables Operating and Service Manual...
- Page 2 85131C/D/G...
- Page 3 “Restricted computer software” as defined in FAR 52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use, duplication or disclosure of Software is subject to Keysight Technologies’ standard commercial license terms, and non-DOD Departments and Agencies of the U.S. Government will receive no greater than Restricted Rights as defined in FAR 52.227-19(c)(1-2) (June 1987).
- Page 4 • Go to http://www.keysight.com. • Enter the document’s part number (located on the title page) in the Search box. • Click Search. • Click on the hyperlink for the document. • Click the printer icon located in the tool bar. 85131C/D/G...
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Page 5: Table Of Contents
85131C ........ - Page 6 Contents 85131C/D/G...
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Page 7: General Information
General Information... -
Page 8: The Cable Sets
The Keysight 85131C/D/G semi-rigid cable sets are designed for use with Keysight network analyzers that have male NMD-3.5 mm test ports. 85131C The 85131C set contains a single cable. Use it when a DUT is connected, with the appropriate adapter, directly to the test set test port. See Figure 1-1. -
Page 9: Clarifying The Terminology Of A Connector Interface
When you send the cable set to Keysight, include the following information: • your company name and address • the name of a technical contact person within your company, and the person’s complete phone number • the model number and serial number of the cable set 85131C/D/G... -
Page 10: Preventive Maintenance
(you can order a single cable rather than the entire cable set), and for recommended items not included with the cable set. Refer to “Contacting Keysight” on page 4-3 information about communicating with Keysight. 85131C/D/G... -
Page 11: Specifications
Specifications... -
Page 12: Environmental Requirements
Up to 95% at 40°C Electrical Specifications Table 2-2 Electrical Specifications Cable Return Loss Insertion Loss Frequency Range (dB) (GHz) (dB) ≤1.38 ≥15.94 ≤0.43 √f + 0.3 85131C DC to 26.5 ≤0.30 √f + 0.2 85131D 85131G a. f = frequency in GHz. 85131C/D/G... -
Page 13: Supplemental Characteristics
Minimum Electrical Phase Stability and Phase Recommend Length With a 90° Stability After ed Bend Three Radius Bend Bending/ Straightening Cycles 85131C 81.0 32.0 1.150 45.264 <0.06 dB <0.03 dB 10.2 Change Change 85131D 53.0 21.0 0.74 29.126 <0.16° (f) + 0.5°... - Page 14 Center-Conductor Pin Depth Precision Allowable Protrusion Allowable Recession Connector NMD-3.5 mm -f- -0.005 to -0.056 -0.0002 to -0.0022 0.0000 0.0000 PSC-3.5 mm -f- -0.0025 to -0.013 -0.0001 to -0.0005 3.5 mm -m- a. Center conductor shoulder behind outer conductor mating plane. 85131C/D/G...
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Page 15: Use, Maintenance, And Care Of The Cables
Use, Maintenance, and Care of the Cables... -
Page 16: Electrostatic Discharge
2. While wearing a grounded wrist strap, grasp the outer shell of the cable connector. 3. Connect the other end of the cable to the test port. 4. Remove the short from the cable. Refer to Chapter 4 for part numbers and instructions for ordering ESD protection devices. Figure 3-1. ESD Protection Setup 85131C/D/G... -
Page 17: Visual Inspection
If a connector shows deep scratches or dents, particles clinging to the mating plane surfaces, or uneven wear, clean and inspect it again. Cables with damaged connectors should be repaired or discarded. Determine the cause of damage before connecting a new, undamaged connector in the same configuration. 85131C/D/G... -
Page 18: Precision Slotless Connectors (3.5 Mm)
The precision slotless connector was developed to eliminate this problem. The PSC has a center conductor with a solid cylindrical shell, the outside diameter of which does not change when mated. Instead, the center conductor has an internal contact that flexes to accept the male pin. 85131C/D/G... -
Page 19: Cleaning Connectors
Apply a small amount of isopropyl alcohol to a lint-free cleaning swab. b. Clean the connector threads. c. Let the alcohol evaporate, then blow the threads dry with a gentle stream of clean, low-pressure compressed air or nitrogen. Always completely dry a connector before you reassemble or use it. 85131C/D/G... - Page 20 Let the alcohol evaporate, then blow the connector dry with a gentle stream of clean, low-pressure compressed air or nitrogen. Always completely dry a connector before you reassemble or use it. 4. Reinspect Inspect the connector again to make sure that no particles or residue are present. 85131C/D/G...
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Page 21: Gaging Connectors
Use, Maintenance, and Care of the Cables Gaging Connectors Gaging Connectors The gages available from Keysight Technologies are intended for preventive maintenance and troubleshooting purposes only. (See Table 4-1 on page 4-4 for part number information.) They are effective in detecting excessive center conductor protrusion or recession, and conductor damage on test cables and other accessories, DUTs, and calibration kit devices. -
Page 22: Gaging Procedures
After each measurement, rotate the gage a quarter-turn to reduce measurement variations that result from the gage or the connector face not being exactly perpendicular to the center axis. e. Compare the average reading with the observed pin depth limits in Table 2-3 on page 2-4. 85131C/D/G... - Page 23 Use, Maintenance, and Care of the Cables Gaging Connectors Figure 3-2 Gaging 3.5 mm Connectors 85131C/D/G...
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Page 24: Making Connections
A torque wrench is included in the calibration kit. Refer to Table 4-1 on page 4-4 for replacement part number and ordering information. Table 3-1 Torque Wrench Information Connector Type Torque Setting Torque Tolerance ±9.0 N-cm (±0.8 in-lb) 3.5 mm 90 N-cm (8 in-lb) 3-10 85131C/D/G... - Page 25 3. Apply downward force perpendicular to the wrench handle. This applies torque to the connection through the wrench. Do not hold the wrench so tightly that you push the handle straight down along its length rather than pivoting it, otherwise you apply an unknown amount of torque. 85131C/D/G 3-11...
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Page 26: How To Separate A Connection
Even flexible cables last longer if you flex them as little as possible. • Keep cable connectors clean. • Do not touch connector mating plane surfaces. Natural skin oils and microscopic particles of dirt are easily transferred to a connector interface and are very difficult to remove. 3-12 85131C/D/G... -
Page 27: Avoiding Cable Movement
After you perform a calibration, move the cables as little as possible. Every time NOTE you bend a cable, the phase changes slightly. 85131C/D/G 3-13... - Page 28 Use, Maintenance, and Care of the Cables Handling and Storage 3-14 85131C/D/G...
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Page 29: Replaceable Parts
Replaceable Parts... -
Page 30: Ordering Replaceable Parts
85133E/F/H cable sets. To order a listed part, note the description, the part number, and the quantity desired. Telephone or send your order to Keysight Technologies (see “Contacting Keysight” on page 4-3). -
Page 31: Returning A Cable Or Cable Set To Keysight
Replaceable Parts Returning a Cable or Cable Set to Keysight Returning a Cable or Cable Set to Keysight If your cable set requires service, contact Keysight Technologies (see below). Include the following information: • your company name and address • a technical contact person within your company, and the person's complete phone number •... - Page 32 Replaceable Parts Returning a Cable or Cable Set to Keysight Table 4-1 Replaceable Parts Keysight Part Description Cables 85131C Single Cable: NMD-3.5 mm –f– to PSC-3.5 mm –f– 85131-60020 85131D Cables: NMD-3.5 mm –f– to 3.5 mm –m– 85131-60009 NMD-3.5 mm –f– to PSC-3.5 mm –f–...
- Page 33 3.5 mm 50 Ω fixed termination -f- 00902-60004 3.5 mm offset short -m- 85052-60006 3.5 mm offset short -f- 85052-60007 3.5 mm Airline (7.5 cm) 85053-60005 a. Refer to “Clarifying the Terminology of a Connector Interface” on page 1-3. 85131C/D/G...
- Page 34 Replaceable Parts Returning a Cable or Cable Set to Keysight 85131C/D/G...
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Page 35: Connector Care Quick Reference
Connector Care Quick Reference... -
Page 36: Principles Of Microwave Connector Care
Proper connector care and connection techniques are critical for accurate, repeatable measurements and for extending the life of your devices. Prior to making connections to the network analyzer, carefully review the connector care information provided with your product. See the following table for quick reference tips about connector care. 85131C/D/G... - Page 37 Twist or screw any connection Use a torque wrench for final connect Tighten past torque wrench “break” point a. Use isopropyl alcohol in a well-ventilated area, allowing adequate time for moist alcohol to evaporate and fumes to disperse prior to energizing equipment. 85131C/D/G...
- Page 38 Connector Care Quick Reference Principles of Microwave Connector Care 85131C/D/G...
- Page 39 3-12 master PSC type zeroing quick reference gage master part numbers slotless gaging SMA and precision 3.5 mm 3-12 connectors threads when to do type gender, connector DUT end test set end visual inspection handling 3-12 wear humidity Index-1 85131C/D/G...
- Page 40 3.5 mm specifications 3-10 connecting to SMA 3-12 Index-2 85131C/D/G...
- Page 41 Index visual inspection warranty, documentation wrench open-end 3-11 3-12 part numbers proper positioning of 3-11 torque 3-10 3-11 precautions for use of 3-11 proper use of 3-11 zeroing connector gage Index-3 85131C/D/G...
- Page 42 This information is subject to change without notice. © Keysight Technologies 2001 - 2015 February 2015 *85131-90021* 85131-90021 www.keysight.com...
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