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Operation and Service Guide
Agilent E4412A and E4413A
Power Sensors
HP Part No.
Part No. E4412-90013
Printed in USA
June 13, 2007
© Copyright 1999-2007 Agilent Technologies, Inc.
Legal
Legal
The information contained in this document is subject to change without notice. Agilent Technologies makes no warranty of any kind with regard to this
material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in
connection with the furnishing, performance, or use of this material.
Notice - Hewlett-Packard to Agilent
Technologies Transition
This documentation supports a product that previously shipped under the HewlettPackard company brand name. The brand name has now been changed to Agilent
Technologies. The two products are functionally identical, only our name has
changed. The document still includes references to Hewlett-Packard products, some
of which have been transitioned to Agilent Technologies.
2
Safety Information
Safety Information
WARNING: Warning denotes a hazard. It calls attention to a procedure which, if not
correctly performed or adhered to, could result in injury or loss of life. Do not
proceed beyond a warning note until the indicated conditions are fully
understood and met.
CAUTION: Caution denotes a hazard. It calls attention to a procedure that, if not correctly
performed or adhered to, would result in damage to or destruction of the instrument.
Do not proceed beyond a caution sign until the indicated conditions are fully
understood and met.
CAUTION: This product is designed for use in Installation Category II and Pollution Degree 2.
This instrument has been designed and tested in accordance with IEC Publication 348, Safety Requirements for Electronic Measuring Apparatus, and
has been supplied in a safe condition. The instruction documentation contains
information and warnings which must be followed by the user to ensure safe
operation and to maintain the instrument in a safe condition.
“CSA” The CSA mark is a registered trademark of the Canadian Standards
Association.
Notice for Germany: Noise Declaration LpA < 70 dB am Arbeitsplatz (operator position) normaler Betrieb (normal position) nach DIN 45635 T. 19 (per
ISO 7779).
3
Safety Information
4
1
Operation and Service Guide
5
Operation and Service Guide
Figure 1 E4412A and E4413A Power Sensors (Formerly ECP-E18A
and ECP-E26A, Respectively)
6
Operation and Service Guide
General Information
General Information
This operation and service guide contains information about initial inspection, operation, performance tests, troubleshooting and repair of the E4412A
and E4413A power sensors.
Warranty
The power sensors are warranted and certified as indicated on the inside
cover of this manual.
Instruments Covered by Manual
These instruments have a two-part serial number: the prefix (two letters and
the first four numbers), and the suffix (the last four numbers). The two letters
identify the country in which the unit was manufactured. The four numbers
of the prefix are a code identifying the date of the last major design change
incorporated in your Agilent Technologies product. The four-digit suffix is a
sequential number and, coupled with the prefix, provides a unique identifica
tion for each unit produced. The contents of this manual apply directly to all
serial numbers unless otherwise indicated
-
Description
The E4412A and E4413A power sensors are diode power sensors. They are
intended for measurement of CW microwave power levels in a wide
dynamic range from −70 dBm to +20 dBm (100 pW to 100 mW). The
E4412A measures at frequencies from 10 MHz to 18.0 GHz. The E4413A
measures at frequencies from 50 MHz to 26.5 GHz. These are high-speed
power sensors, and do not incorporate narrow-bandwidth averaging used in
average-power sensors. Signals with digital, pulse, or other forms of ampli
tude modulation may introduce measurement errors. Multi-tone signals
(containing multiple frequency components), or signals with significant harmonic content (> −45 dBc) may introduce measurement errors at high power
levels. (Specifications for the power sensors are in Table 1.)
-
7
Operation and Service Guide
General Information
These power sensors measure CW power, displayed on a compatible power
meter in logarithmic (dBm or dB) or linear (Watts or %) measurement units.
The E4413A is shipped with a 3.5-mm to Type-N adapter, part number
08485-60005.
NOTE: The E4412A and E4413A power sensors are compatible ONLY with the newer
E44XX-Series power meters. They are NOT compatible with the earlier 430-Series,
E1416A, or 70100A power meters.
CAUTION: The E4412A and E4413A power sensors are extremely static- sensitive. Do not open
the power sensor unless you and the power sensor are at a static-free workstation.
Specifications
The specifications listed in Table 1 are the performance standards or limits
against which the power sensor may be tested. These specifications are valid
ONLY after proper calibration of the power meter. Refer to the Calibration
Procedure Using Agilent E-Series Power Sensors in the E4418A or the
Agilent E4419A Power Meter User’s Guide.
8
Operation and Service Guide
Table 1 E4412A and E4413A Specifications
Limits Comments
Frequency Range E4412A: 10 MHz to 18 GHz
E4413A: 50 MHz to 26.5 GHz
Power Range −70 dBm to +20 dBm (100 pW to
100 mW)
Impedance 50 ohm nominal
Connector Type E4412A: Type-N (male)
E4413A: 3.5-mm (male)
General Information
Maximum Standing Wave Ratio
(SWR) and Reflection Coeffi
cient (Rho)b
SWR Rho
Return Loss (dB)
E4412A
10 MHz to <30 MHz 1.22 0.099 20.08
30 MHz to <2 GHz 1.15 0.070 23.13
2 GHz to <6 GHz 1.17 0.078 22.12
6 GHz to <11 GHz 1.20 0.091 20.82
11 GHz to <18 GHz 1.27 0.119 18.42
E4413A
50 MHz to <100 MHz 1.21 0.095 20.45
100 MHz to <8 GHz 1.19 0.087 21.23
8 GHz to <18 GHz 1.21 0.095 20.45
18 GHz to 26.5 GHz 1.26 0.115 18.79
Maximum Power 200 mW peak (+23 dBm)
200 mW average (+23 dBm)
AC Coupled Input max: 20 VDC
Zero Set ±50 pW
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