Agilent 909A Operating Note

909A dc-18 GHz
909D dc-26.5 GHz
Coaxial Terminations

Operating Note

Manual Part Number: 00909-90034
Printed in USA
April 2005
Supersedes: July 2001
Revision 3.0

Notice

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© Copyright 2000 - 2001, 2005 Agilent Technologies, Inc.

ii Agilent 909A, 909D Operating Note

In This Manual…

Overview, page 1

•

• Specifications, page 2

• Environmental Requirements, page 3

Agilent 909A, 909D Operating Note iii

Warranty

Custom systems are warranted by contractual agreement between Agilent
Technologies and the customer.

Certification Agilent Technologies, Inc. , certifies th at this product met its published

specifications at the time of shipment from the factory. Agilent Technologies
further certifies that its calibration measurements are traceable to the
United States National Institute of Standards and Technology (NIST,
formerly NBS), to the extent allowed by the Institute’s calibration facility,
and to the calibration facilities of other International St andards
Organization members.

Assistance Product maintenance agreements and other customer assistance agreements

are available for Agilent Technologies products. Any adjustment,
maintenance, or repair of this product must be performed by qualified
personnel. Contact your customer engineer after referring to “Contacting
Agilent” on the following page.

iv Agilent 909A, 909D Operating Note

Contacting Agilent

This information supersedes all prior HP contact information.

Online assistance: www.agilent.com/find/assist

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11/16/04

Agilent 909A, 909D Operating Note v

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 perfo rmed or adher ed
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.

Instrument Markings

When you see this symbol on your instrument, you should refer to the
instruments instruction manual for important information.

This symbol indicates hazardous voltages.

This symbol indicates that the instrument requires alternating current
(ac) input.

The CE mark is a registered tra de mark of t he Europe an C ommu nity. If
it is accompanied by a year, it indicates the year the design was proven.

The C-Tick mark is a reg ist ered t rad ema rk of the A ust rali an Spec trum
Management Community.

The CSA mark is a registered trademark of the Canadian Standards
Association.

vi Agilent 909A, 909D Operating Note

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 in STANDBY
position.

This symbol indicates that the power line switch is OFF

Safety Earth Ground

Before Applying Power

This is a Safety Class I product (provided with a protective earthing
terminal). An uninterruptible safety earth ground must be provided from the
main power source to the product input wiring terminals, power cord, or
supplied power cord set. Whenever it is likely that the protection has been
impaired, the product must be made inoperative and secured against any
unintended operation.

Verify that the product is configured to match the available main pow er
source as described in the input power configuration instructi ons in this
manual. If this product is to be powered by autotransformer, make sure the
common terminal is connect ed to the neutral ( grounded) side of the ac power
supply.

Agilent 909A, 909D Operating Note vii

viii Agilent 909A, 909D Operating Note

Overview

Description The Agilent 909A and 909D terminations are low-reflection loads for

terminating 50 SZ coaxial systems in their characte ristic impedance. The
Agilent 909A is extremely broadband, covering the frequency range from
dc to 18 GHz. The Agilent 909D is specified to 26.5 GHz, and mode free to
34 GHz. Both terminations find wide use as accessories for broadband
measuring instrument and for coaxial instrumentation.

• The Agilent 909A is furn is hed wi th a Prec ision 7 mm connector. This is

a sexless connector with low RF leakage and clearly defined reference
plane. As an option, the Agi l ent 909A c an be furnished with either mal e
or female Type-N connector interfaces per MIL-STD-348A and IEEE
standard 287 GPC. The outer conductors of these Type-N interfaces are
made of passivated stainless steel.

• The Agilent 909D has Precision 3.5 mm connector interfaces per IEEE

standard 287 GPC.
It is essenti al th at the Agilent 909D be kept in top operati ng form as it is

used for precise meas urements. It is recommended t hat the Agilen t 909D
be calibrated once a year or after 1000 connections. Due to the
simplicity of this product there are no field replaceable parts.

Receiving Inspection Inspect the packaging and all parts for damage. Keep all packaging materials

for return shipment, if necessary. If any part is missing or damaged, notify
the carrier and your nearest Agilent Technologies office immediately.

Maintenance Agilent recommends that the connectors be periodically inspected and

cleaned if necessary.

NOTE This manual assumes you know the proper connector care. If not, refer to

"Principles of Microwave Connector Care-Quick Reference Card", (part
number 08510-90360). Or, contact your nearest Agilent Technologies sales
office for the customer training course: "Understanding Connectors Used
With Network Analyzers".

• Agilent 85050A + 24A (on site)

• Agilent 85050A + 24D (at Agilent Technologies sales office)

Agilent 909A, 909D Operting Note 1

Specifications

Specifications

Table 1 Agilent 909A Specifications

Specification Value

Frequency range dc to 18 GHz
Impedance 50 Sl
Connectors Precision 7 mm

Reflection coefficient • 0 to 4 GHz: 0.024 (1.05 SWR)

Option 012 Type N (m)
Option 013 Type N (f)

• 4 to 12.4 GHz: 0.048 (1.1 SWR)

• 12.4 to 18 GHz: 0.11 (1.25 SWR)
Options 012 and 013

• 0 to 4 GHz: 0.029 (1.06 SWR)

• 4 to 12.4 GHz: 0.052 (1.11 SWR)

• 12.4 to 18 GHz: 0.13 (1.30 SWR)

1

Power rating 2 W average

Weight net 80g (3 oz)

Length 51 mm (2 in)

1. Option 012 furnished with Type N (m) connector. Option 013 furnished with Type N (f) connector.

Table 2 Agilent 909D Specifications

Specification Value

Frequency range dc to 26.5 GHz
Impedance 500
Connectors 3.5 mm (m)

1

SWR

Power rating 2 W average, 20 °C,

300 W peak

shipping 2008 (8 oz)

Option 011 3.5 mm (f)

1.02: (Standard) dc to 3 GHz, (Option 040) dc to 4 GHz

1.036: (Standard) 3 to 6 GHz, (Option 040) 4 to 6 GHz

1.12: (Standard) 6 to 26.5 GHz, (Option 040) 6 to 26.5 GHz

2

100 W peak (10 ps max. pulse width) at 20 °C.

Dimensions 23 mm x 4 mm diameter. (0.91 in x 0.16 in)

1. The typical VSWR is 1.1 at 26.5 GHz. Statistically, 90% of the units produced will meet this
performance.

2. Derated to 1W average at 75 °C.

2 Agilent 909A, 909D Operting Note

Environmental Requirements

Table 3 Environmental Requirements

Parameter Required Values/Ranges

Operating Temperature

Type-N

3.5 mm
Storage Temperature -40° to +75 °C (-40° to +167 °F)
Altitude

Operation
Storage

Environmental Requirements

20° to 26°C (68° to 79°F)
15° to 35°C (59° to 95°F)

< 4,500 m (15,000 ft)
< 15,000 m (50,000 ft)

Relative humidity

Operation
Storage

Type-N

3.5 mm

Always non-condensing
0 to 80% (26°C maximum dry bulb)

0 to 90%
0 to 95%

Agilent 909A, 909D Operting Note 3

Environmental Requirements

4 Agilent 909A, 909D Operting Note