Agilent Technologies 85054D Manual

User’s and Service Guide
Agilent Technologies 85054D 50Ω
Type-N Economy Calibration Kit
This manual applies directly to 85054D calibration kits with serial number
prefix 3101A. The calibration devices in this kit are individually serialized.
Record the device serial numbers in the table provided in this manual (see
“Recording the Device Serial Numbers” in Chapter 1.)
Manufacturing Part Number: 85054-90050
Printed in USA
Print Date: August 2010
Supersedes: December 2007
© Copyright 1994, 1996, 1997, 2002, 2006, 2007, 2010 Agilent Technologies, Inc. All rights
reserved.

ii 85054D
Documentation Warranty
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REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN,
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page 5-5.
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Contents
85054D iii
1. General Information
Calibration Kit Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Calibration Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Equipment Required but Not Supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Incoming Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Recording the Device Serial Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Calibration Kits Documented in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Calibration Kit History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
85054D Kits with Serial Prefix 2901A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Precision Slotless Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Clarifying the Terminology of a Connector Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
When to Calibrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
2. Specifications
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Temperature—What to Watch Out For . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Mechanical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Pin Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
3. Use, Maintenance, and Care of the Devices
Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Look for Obvious Defects and Damage First. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Inspect the Mating Plane Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Inspect the Precision Slotless Connectors (female) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Cleaning Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Gaging Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Connector Gage Accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
When to Gage Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Reading the Connector Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Gaging Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
How to Make a Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
How to Separate a Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Handling and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
4. Performance Verification
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
How Agilent Verifies the Devices in This Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Recertification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
How Often to Recertify . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Contents
85054D
iv
Where to Send a Kit for Recertification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
5. Troubleshooting
Troubleshooting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Where to Look for More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Returning a Kit or Device to Agilent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Contacting Agilent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
6. Replaceable Parts
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
A. Standard Definitions
Class Assignments and Standard Definitions Values are Available on the Web . . . . . . . . . . . . . . . . . .A-2

85054D 1-1
1General Information

1-2 85054D
General Information
Calibration Kit Overview
Calibration Kit Overview
The Agilent 85054D type-N calibration kit is used to calibrate Agilent network analyzers
up to 18 GHz for measurements of components with 50Ω type-N connectors.
The standards in this calibration kit allow you to perform simple 1- or 2-port and TRM
(thru–reflect–match) calibrations.
This manual describes the 85054D calibration kit and provides replacement part numbers,
specifications, and procedures for using, maintaining, and troubleshooting the kit.
Kit Contents
The 85054D calibration kit contains the following:
• offset opens and shorts, and broadband load terminations
• four type-N to 7 mm adapters
• two type-N to type-N adapters
• a 3/4 inch, 135 N-cm (12 in-lb) torque wrench for use on the type-N connectors
• a spanner wrench
Refer to Table 6-1 and Figure 6-1 for a complete list of kit contents and their associated
part numbers.
Offset Opens and Shorts
The offset opens and shorts are built from parts that are machined to the current
state-of-the-art in precision machining.
The offset short’s inner conductors have a one-piece construction, common with the
shorting plane. The construction provides for extremely repeatable connections.
The offset opens have inner conductors that are supported by a strong, low-dielectric
constant plastic to minimize compensation values.
Both the opens and shorts are constructed so that the pin depth can be controlled very
tightly, thereby minimizing phase errors. The lengths of the offsets in the opens and shorts
are designed so that the difference in phase of their reflection coefficients is approximately
180 degrees at all frequencies.
Adapters
Like the other devices in the kit, the adapters are built to very tight tolerances to provide
good broadband performance. The adapters utilize a dual-beaded connector structure to
ensure stable, repeatable connections. The beads are designed to minimize return loss and
are separated far enough so that interaction between the beads is minimized.
Calibration Definitions
The calibration kit must be selected and the calibration definitions for the devices in the
kit installed in the network analyzer prior to performing a calibration.

85054D 1-3
General Information
Calibration Kit Overview
The calibration definitions can be:
• resident within the analyzer
• manually entered from the front panel
Class assignments and standard definitions may change as more accurate model and
calibration methods are developed. You can download the most recent class assignments
and standard definitions from Agilent’s Calibration Kit Definitions Web page at
www.na.tm.agilent.com/pna/caldefs/stddefs.html.
Refer to your network analyzer user’s guide or embedded Help for instructions on
manually entering calibration definitions, selecting the calibration kit, and performing a
calibration.
NOTE The 8510 network analyzer is no longer being sold or supported by Agilent.
However, you can download the 8510 class assignments and standard
definitions from Agilent’s Calibration Kit Definitions Web page at
www.na.tm.agilent.com/pna/caldefs/stddefs.html
Equipment Required but Not Supplied
Connector cleaning supplies and various electrostatic discharge (ESD) protection devices
are not supplied with the calibration kit but are required to ensure successful operation of
the kit. Refer to Table 6-2 on page 6-3 for ordering information.

1-4 85054D
General Information
Incoming Inspection
Incoming Inspection
Refer to “Kit Contents” on page 1-2 to verify a complete shipment. Use Table 1-1 on page
1-5 to record the serial numbers of all serialized devices in your kit.
Check for damage. The foam-lined storage case provides protection during shipping. If the
case or any device appears damaged, or if the shipment is incomplete, refer to “Contacting
Agilent” on page 5-5. Agilent will arrange for repair or replacement of incomplete or
damaged shipments without waiting for a settlement from the transportation company.
See .“Returning a Kit or Device to Agilent” on page 5-4.

85054D 1-5
General Information
Serial Numbers
Serial Numbers
A serial number is attached to this calibration kit. The first four digits followed by a letter
comprise the serial number prefix; the last five digits are the suffix, unique to each
calibration kit.
Recording the Device Serial Numbers
In addition to the kit serial number, the devices in the kit are individually serialized (serial
numbers are labeled onto the body of each device). Record these serial numbers in
Table 1-1. Recording the serial numbers will prevent confusing the devices in this kit with
similar devices from other kits.
Table 1-1 Serial Number Record for the 85054D
Device Serial Number
Calibration kit
Broadband load -m-
Broadband load -f-
Open -m-
Open -f-
Short -m-
Short -f-
Adapters
Type-N -m- to Type-N -m-
Type-N -f- to Type-N -f-
Type-N -f- to 7 mm
Type-N -f- to 7 mm
Type-N -m- to 7 mm
Type-N -m- to 7 mm
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________
_______________________________

1-6 85054D
General Information
Calibration Kits Documented in This Manual
Calibration Kits Documented in This Manual
This manual applies to any 85054D calibration kit whose serial number prefix is listed on
the title page. If your calibration kit has a different serial number prefix, refer to the
“Calibration Kit History” section below for information on how this manual applies.
Calibration Kit History
This section describes calibration kits with serial number prefixes lower that the ones
listed on the title page.
85054D Kits with Serial Prefix 2901A
These calibration kits did not have a calibration definitions disk to support the Agilent
8510C network analyzer. The part numbers provided in this manual are the recommended
replacement parts for these kits. The devices in these kits should meet the specifications
published in this manual.

85054D 1-7
General Information
Precision Slotless Connectors
Precision Slotless Connectors
The female type-N connectors in this calibration kit are metrology-grade, precision slotless
connectors (PSC). A characteristic of metrology-grade connectors is direct traceability to
national measurement standards through their well-defined mechanical dimensions.
Conventional female center conductors are slotted. When mated, the female center
conductor is flared by the male pin. Because physical dimensions determine connector
impedance, electrical characteristics of the female connector (and connection pair) are
dependent upon the mechanical dimensions of the male pin. While connectors are used in
pairs, their male and female halves are always specified separately as part of a standard,
instrument, or device under test. Because of these facts, making precision measurements
with the conventional slotted connector is very difficult, and establishing a direct
traceability path to primary dimensional standards is nearly impossible.
The precision slotless connector was developed to eliminate these problems. All PSCs are
female. A PSC incorporates a center conductor with a solid cylindrical shell that defines
the outside diameter of the female center pin. Its outside diameter and, therefore, the
impedance in its region does not change. The inner part provides an internal contact that
flexes to accept the allowed range of male pin diameters.
The calibration of a network analyzer having a conventional slotted female connector on
the test port remains valid only when the device under test and all calibration standards
have identical male pin diameters. For this reason PSC test port adapters are supplied in
most calibration kits.
Precision slotless connectors have the following characteristics:
• There is no loss of traceable calibration on test ports when the male pin diameter of the
connector on the device under test is different from the male pin diameter of the
calibration standard.
• The female PSC and its mating male connector can be measured and specified
separately as part of the device either is attached to.
• All female connectors can have a known, stable impedance based only on the diameters
of their inner and outer conductors.
• Female calibration standards can be fully specified. Their specifications and
traceability are unaffected by the diameter of the male mating pin.
• A fully traceable performance verification is made using a precision 50 ohm airline
having a PSC.
• Measurement repeatability is enhanced due to non-changing connector characteristics
with various pin diameters.
With PSCs on test ports and standards, the percentage of accuracy achieved when
measuring at 50 dB return loss levels is comparable to using conventional slotted
connectors measuring devices having only 30 dB return loss. This represents an accuracy
improvement of about 10 times.

1-8 85054D
General Information
Clarifying the Terminology of a Connector Interface
Clarifying the Terminology of a Connector Interface
In this document and in the prompts of the PNA calibration wizard, the sex of cable
connectors and adapters is referred to in terms of the center conductor. For example, a
connector or device designated as 1.85 mm –f– has a 1.85 mm female center conductor.
8510-series, 872x, and 875x ONLY: In contrast, during a measurement calibration, the
network analyzer softkey menus label a 1.85 mm calibration device with reference to the
sex of the analyzer’s test port connector—not the calibration device connector. For
example, the label SHORT(F) refers to the short that is to be connected to the female test
port. This will be a male short from the calibration kit.
A connector gage is referred to in terms of the connector that it measures. For instance, a
male connector gage has a female connector on the gage so that it can measure male
devices.
Preventive Maintenance
The best techniques for maintaining the integrity of the devices in this kit include:
• routine visual inspection
• cleaning
• proper gaging
• proper connection techniques
All of the above are described in Chapter 3 , “Use, Maintenance, and Care of the Devices.”
Failure to detect and remove dirt or metallic particles on a mating plane surface can
degrade repeatability and accuracy and can damage any connector mated to it. Improper
connections, resulting from pin depth values being out of the observed limits (see Table 2-2
on page 2-4), or from bad connections, can also damage these devices.
Table 1-2 Clarifying the Terminology of Connectors: Examples
Terminology Meaning
Short –f– Female short (female center conductor)
Short (f) Male short (male center conductor) to be connected to female port

85054D 1-9
General Information
When to Calibrate
When to Calibrate
A network analyzer calibration remains valid as long as the changes in the systematic
error are insignificant. This means that changes to the uncorrected leakages (directivity
and isolation), mismatches (source match and load match), and frequency response of the
system are small (<10%) relative to accuracy specifications.
Change in the environment (especially temperature) between calibration and
measurement is the major cause in calibration accuracy degradation. The major effect is a
change in the physical length of external and internal cables. Other important causes are
dirty and damaged test port connectors and calibration standards. If the connectors
become dirty or damaged, measurement repeatability and accuracy is affected.
Fortunately, it is relatively easy to evaluate the general validity of the calibration. To test
repeatability, remeasure one of the calibration standards. If you can not obtain repeatable
measurements from your calibration standards, maintenance needs to be performed on the
test port connectors, cables and calibration standards. Also, maintain at least one sample
of the device under test or some known device as your reference device. A verification kit
may be used for this purpose. After calibration, measure the reference device and note its
responses. Periodically remeasure the device and note any changes in its corrected
response which can be attributed to the test system. With experience you will be able to see
changes in the reference responses that indicate a need to perform the measurement
calibration again.

1-10 85054D
General Information
When to Calibrate

2-1
2Specifications

2-2 85054D
Specifications
Environmental Requirements
Environmental Requirements
Temperature—What to Watch Out For
Changes in temperature can affect electrical characteristics. Therefore, the operating
temperature is a critical factor in performance. During a measurement calibration, the
temperature of the calibration devices must be stable and within the range specified in
Table 2-1.
IMPORTANT Avoid unnecessary handling of the devices during calibration because your
fingers are a heat source.
Table 2-1 Environmental Requirements
Parameter Limits
Temperature
Operatinga
a. The temperature range over which the calibration standards maintain conformance to their
specifications.
+20 °C to +26 °C
Storage −40 °C to +75 °C
Error-corrected rangeb
b. The allowable network analyzer ambient temperature drift during measurement calibration
and during measurements when the network analyzer error correction is turned on. Also, the
range over which the network analyzer maintains its specified performance while correction
is turned on.
± 1 °C of measurement calibration temperature
Relative humidity Type tested, 0% to 95% at 40 °C, non-condensing

85054D 2-3
Specifications
Mechanical Characteristics
Mechanical Characteristics
Mechanical characteristics such as center conductor protrusion and pin depth are not
performance specifications. They are, however, important supplemental characteristics
related to the electrical performance of devices. Agilent Technologies verifies the
mechanical characteristics of the devices in this kit with special gaging processes and
electrical testing. This ensures that the device connectors do not exhibit any excess center
conductor protrusion or improper pin depth when the kit leaves the factory.
“Gaging Connectors” on page 3-6 explains how to use gages to determine if the kit devices
have maintained their mechanical integrity. (Refer to Table 2-2 on page 2-4 for typical and
observed pin depth limits.)
Pin Depth
Pin depth is the distance the center conductor mating plane differs from being flush with
the outer conductor mating plane. Refer to Figure 2-1. Some coaxial connectors, such as
2.4 mm and 3.5 mm, are designed to have these planes nearly flush. Type-N connectors,
however, are designed with a pin depth offset of approximately 5.26 mm (0.207 inch), not
permitting these planes to be flush. The male center conductors are recessed by the offset
value while the female center conductors compensate by protruding the same amount.
This offset necessitates the redefining of pin depth with regard to protrusion and
recession.
Protrusion refers to a male type-N connector center conductor having a pin depth value
less than 5.26 mm (0.207 inch), or a female type-N connector center conductor having a pin
depth value greater than 5.26 mm (0.207 inch).
Recession refers to a male type-N connector center conductor having a pin depth value
greater than 5.26 mm (0.207 in), or a female type-N connector center conductor having a
pin depth value less than 5.26 mm (0.207 inch).
Figure 2-1 Connector Pin Depth

2-4 85054D
Specifications
Mechanical Characteristics
NOTE The gages for measuring type-N connectors compensate for the designed
offset of 5.26 mm (0.207 inch), therefore, protrusion and recession readings
are in relation to a zero reference plane (as if the inner and outer conductor
planes were intended to be flush). Gage readings can be directly compared
with the observed values listed in Table 2-2.
The pin depth value of each calibration device in this kit is not specified, but is an
important mechanical parameter. The electrical performance of the device depends, to
some extent, on its pin depth. The electrical specifications for each device in this kit take
into account the effect of pin depth on the device’s performance. Table 2-2 lists the typical
pin depths and measurement uncertainties, and provides observed pin depth limits for the
devices in the kit. If the pin depth of a device does not measure within the observed pin
depth limits, it may be an indication that the device fails to meet electrical specifications.
Refer to Figure 2-1 for an illustration of pin depth in type-N connectors.
NOTE When measuring pin depth, the measured value (resultant average of three
or more measurements) is not the true value. Always compare the measured
value with the observed pin depth limits in Table 2-2 to evaluate the
condition of device connectors.
Table 2-2 Pin Depth Limits
Device Typical Pin Depth
micrometers
(10–4 inches)
Measurement
Uncertaintya
micrometers
(10–4 inches)
a. Approximately +2 sigma to −2 sigma of gage uncertainty based on studies done at the fac-
tory according to recommended procedures.
Observed Pin Depth
Limitsb
micrometers
(10–4 inches)
b. Observed pin depth limits are the range of observation limits seen on the gage reading due
to measurement uncertainty. The depth could still be within specifications.
Opens 0 to −12.7
(0 to −5.0)
+3.8 to −3.8
(+ 1.5 to −1.5)
+3.8 to −16.5
(+ 1.5 to −6.5)
Shorts 0 to −12.7
(0 to −5.0)
+3.8 to −3.8
(+ 1.5 to −1.5)
+3.8 to −16.5
(+ 1.5 to −6.5)
Broadband
loads
0 to −50.8
(0 to −20.0)
+3.8 to −3.8
(+ 1.5 to −1.5)
+3.8 to −54.6
(+ 1.5 to −21.5)
Adapters
(7 mm end)
0 to −50.8
(0 to −20.0)
+3.8 to −3.8
(+ 1.5 to −1.5)
+3.8 to −54.6
(+ 1.5 to −21.5)
Adapters
(type-N end)
0 to −12.7
(0 to −5.0)
+3.8 to −3.8
(+ 1.5 to −1.5)
+3.8 to −16.5
(+ 1.5 to −6.5)

85054D 2-5
Specifications
Electrical Specifications
Electrical Specifications
The electrical specifications in Table 2-3 apply to the devices in your calibration kit when
connected with an Agilent precision interface.
Certification
Agilent Technologies certifies that this product met its published specifications at the time
of shipment from the factory. Agilent further certifies that its calibration measurements
are traceable to the United States National Institute of Standards and Technology (NIST)
to the extent allowed by the institute’s calibration facility, and to the calibration facilities
of other International Standards Organization members. See “How Agilent Verifies the
Devices in This Kit” on page 4-2 for more information.
Table 2-3 Electrical Specifications
Device Frequency (GHz) Parameter Specification
Broadband loads DC to ≤ 2 Return Loss ≥ 40 dB (≤0.01000ρ)
> 2 to ≤ 8 Return Loss ≥ 36 dB (≤0.01585ρ)
> 8 to ≤ 18 Return Loss ≥ 34 dB (≤0.01995ρ)
Adapters
(both styles)
DC to ≤ 8
> 8 to ≤18
Return Loss
Return Loss
≥ 34 dB (≤ 0.0200ρ)
≥ 28 dB (≤0.0398ρ)
Offset Opensa
a. The specifications for the opens and shorts are given as allowed deviation from the
nominal model as defined in the standard definitions (see “Class Assignments and
Standard Definitions Values are Available on the Web” on page A-2).
at 18 Deviation from Nominal
Phase
±1.5°
Offset Shortsaat 18 Deviation from Nominal
Phase
±1.0°

2-6 85054D
Specifications
Electrical Specifications