Agilent Technologies 00281-90055 User Manual

R/Q/U/V281A, B mm-Wave-to-Coax Adapters
26.5 to 65 GHz
Operating Note
Agilent Part Number: 00281-90055 Printed in USA Print Date: October 2004 Supersedes: January 2004 © Agilent Technologies, Inc. 2000,
2004.
Notice

DOCUMENTATION WARRANTY

THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED "AS IS," AND IS SUBJECT TO BEING CHANGED, WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, AGILENT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. AGILENT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, USE, OR PERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION CONTAINED HEREIN. SHOULD AGILENT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE TERMS, THE WARRANTY TERMS IN THE SEPARATE AGREEMENT
WILL CONTROL.
R
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ii Agilent R/Q/U/V281A, B Operating Note

In This Manual…

Description, page 1
Specifications, page 3
Care, Connection and Torque, page 5

Assistance Product maintenance agreements and other customer assistance agreements

are available for Agilent Technologies products. For assistance, contact Agilent Technologies (refer to “Contacting Agilent”
on page iv).
Agilent R/Q/U/V281A, B Operating Note iii

Contacting Agilent

Online assistance: www.agilent.com/find/assist
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iv Agilent R/Q/U/V281A, B Operating Note

Safety and Regulatory Information

Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument. This product has been designed and tested in accordance with international standards.
WARNING The WARNING notice denotes a hazard. It calls attention to a procedure,
practice, or the like, that, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.
CAUTION The CAUTION notice denotes a hazard. It calls attention to an operating
procedure, practice, or th e like, whic h, if not cor rect ly performed or adhered to, could result in damage to the product or loss of important data. Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met.
Agilent R/Q/U/V281A, B Operating Note v

Instrument Markings

When you see this symbol on your instrument, you should refer to the instrument’s instruction manual for important information.
!
This symbol indicates hazardous voltages.
The laser radiation symbol is marked on products that have a laser output.
This symbol indicates that the instrument requires alternating current (ac) input.
The CE mark is a registered trademark of the European Community. If it is accompanied by a year, it indicates the year the design was proven.
The CSA mark is a registered trademark of the Canadian Standards Association.
1SM1-A This text indicates that the instrument is an Industrial Scientific and Medical Group 1
Class A product (CISPER 11, Clause 4). This symbol indicates that the power line switch is ON.
This symbol indicates that the power line switch is OFF or in STANDBY position.
vi Agilent R/Q/U/V281A, B Operating Note

Description

The Agilent R/Q/U/V 281 adapters have:
Excellent repeatability
Measurement v ersatility
WR-28, WR-22, WR-19, WR-15 (R, Q, U, V band) waveguide
Precision 1.85 mm and 2.4 mm coax connectors
Increased Measurement
Versatility
Excellent Accuracy Low SWR transitions reduce mismatch uncertainty and excellent
Coax measurements to 65 GHz. The Agilent 281 family of precision millimeter waveguide-to-coax adapters offers a simple, low SWR transition between transmission media. Take advantage of stable, low loss and low SWR waveguide when measuring coaxial devices at higher frequencies. Or keep the convenience of coax, even when testing waveguide components. Agilent R/Q/U/V 281 adapters increase the versatility of existing test sets to measure both coax and waveguide components.
repeatability ens ures consistent measurements. Available with both male and female connectors, these adapters help microwave engineers combine the best test components from each transmission media. With the Agilent R/Q/C1/V 281 adapters, engineers can balance the merits of coax and waveguide to achie ve the bes t combinat ion of ac curacy, cost and ease-of-use.
Agilent R/Q/U/V281A,B Operating Note 1

Dimensions

Description
A=19.3 mm (R281) A=28.7 mm (Q281) A=28.7 mm (U281)
Figure 1 Dimensions in millimeters
2 Agilent R/Q/U/V281A,B Operating Note

Specifications

Specifications
Specifications describe the instrument’s warranted performance over the temperature range 0 to 55 Characteristics ar e typi cal but non-war rante d performanc e pa rameter s. They are denoted as “typical”, “nominal”, or “approximate”.
Coax-to-Waveguide Adapters Supplemental Characteristics Model Coax Connector
Type
R281A 2.4 mm (female) WR-28 26.5 to 40 24 dB ≤0.3 dB ≥ −50 dB R281B 2.4 mm (male) WR-28 26.5 to 40 24 dB ≤0.3 dB ≥ −50 dB Q281A 2.4 mm (female) WR-22 33 to 50 22 dB ≤0.3 dB ≥ −50 dB
Waveguide Number
Frequency (GHz)
°C (except where noted). The Supplemental
1
Return Loss
Insertion Loss2Repeatability
Typically Better Than:
1,3
Q281B 2.4 mm (male) WR-22 33 to 50 22 dB ≤0.3 dB ≥ −50 dB U281A 1.85 mm (female) WR-19 40 to 60 22 dB
U281B 1.85 mm (male) WR-19 40 to 60 22 dB V281A 1.85 mm (female) WR-15 50 to 67
67 to 70
V281B 1.85 mm (male) WR-15 50 to 67
67 to 70
1. At the coaxial port only.
2. Typical maximum insertion loss for single adapter.
3. Repeatability = 20 Log disconnect/connect cycle. Repeatability depend upon proper torque and pin-depth.
4. Typical for single adapter. Mated pair return loss warranted to 18 dB.
|∆Γ| where |∆Γ| =|Γm1–Γm2|. This is the difference between two measurements Γm
20 dB20 dB (typical)
20 dB20 dB (typical)
4
4
≤0.5 dB ≥ −50 dB
≤0.5 dB ≥ −50 dB ≤0.5 dB
≤0.5 dB ≤0.5 dB
≤0.5 dB
, and Γm2 before and after one
1
≥ −50 dB ≥ −50 dB
≥ −50 dB ≥ −50 dB
Agilent R/Q/U/V281A,B Operating Note 3
Specifications

Environment Non-operating environmental specifications apply to storage and shipment.

Products should be stored in a clean, dry environment. Operating environmental specifications apply when the product is in use.
Characteristic Non-Operating Operating
Temperature –55 to +75 °C 0 to +55 °C Humidity <95% relative at +40 °C <95% relative at +40 °C Altitude 15,300 m (50,000 ft) <4,600 m (15,000 ft)
NOTE Storage or operation within an environment other than that specified above
may cause damage to the product and may void the warranty.
4 Agilent R/Q/U/V281A,B Operating Note

Connector Torque and Pin Depth

Care, Connection and Torque

Care, Connection and Torque
Connector Type
1.85 mm 8 lb-in
2.4 mm 8 lb-in
Torque (±0.5 lb-in)
(90 N-cm)
(90 N-cm)
Torque Wrench Part Number
1250-1863 U281: 0 to 0.03 mm
1250-1863 0 to 0.038 mm

Mating 2.4 mm connectors with 1.85 mm connectors

Connector Pin Depth (male or female)
(0 to 0.0012 in)
V281: 0 to 0.0152 mm
(0 to 0.0006 in)
(0 to 0.0015 in)
Protection Gage Kit Part Number
85056-60018 (male) 85056-60017 (female)
11752-60108 (male) 11752-60107 (female)
End Cap Part Number
1401-0202 (female) 1401-0095 (male)
1401-0202 (female) 1401-0095 (male)
The 1.85 mm coaxial end of the Agilent U/V281AB adapters can be mated with 2.4 mm connectors.
Agilent R/Q/U/V281A,B Operating Note 5
Care, Connection and Torque
6 Agilent R/Q/U/V281A,B Operating Note
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