Specifications
9
PNA-X Series Network Analyzer
Measurement applications (continued)
□ Noise figure measurements using standard receivers (Option 028)
This option adds firmware for high-accuracy noise figure measure-
ments of amplifiers, frequency converters, and mixers using the
PNA-X’s standard receivers, and utilizing Agilent’s unique source-
correction technique. Using the PNA-X and an Agilent ECal module
configured as an impedance tuner, the effects of imperfect system
source match are removed, greatly improving the accuracy of the
cold-source technique. This approach surpasses the accuracy pro-
vided by the Y-factor method. For fully corrected noise figure mea-
surements, this option requires an ECal module (m-f recommended)
and a power meter (both must be ordered or supplied separately). A
scalar calibration choice is also available that offers less accuracy,
but is faster and does not require the ECal module used as an
impedance tuner. The power meter is only used during calibration of
the analyzer. During calibration of the analyzer, an additional ECal or
mechanical calibration kit is required (also must be ordered or sup-
plied separately). To use a m-f ECal module as a tuner (N4691B/
93A-M0F), Option 028 includes a semi-rigid cable (3.5 mm N5242-
20137 for N5241/42A or 2.4 mm N5245-20140 for N5244/45A) and
a m-f adapter (3.5 mm 85052-60013 for N5241/42A or 2.4 mm
85056-60007 for N5244/45A). For use with f-f ECal modules
(N4691B/93A-00F), order a m-m adapter (3.5 mm 85052-60014 or
2.4 mm 85056-60005). No external preamplifier is required for
devices with 30 dB or more of excess noise (gain plus noise figure).
Front panel jumpers provide a convenient spot for adding a pre-
amplifier and filter(s) for low gain, low noise figure devices.
□ Fully-corrected noise figure measurements (Option 029)
This option adds high-sensitivity noise receivers and firmware
for high-accuracy noise figure measurements of amplifiers,
frequency converters, and mixers, utilizing Agilent’s unique
source-correction technique. Using the PNA-X and an Agilent
ECal module configured as an impedance tuner, the effects of
imperfect system-source match are removed, greatly improv
ing the accuracy of the cold-source technique. This approach-
surpasses the accuracy provided by the Y-factor method. For
fully corrected noise figure measurements, this option requires
a 3.5 mm N4691B ECal module (m-f recommended) and a
346C noise source (both must be ordered or supplied sepa-
rately). A scalar calibration choice is also available that offers
less accuracy, but is faster and does not require the ECal mod-
ule used as an impedance tuner. For measurements of mixers
and converters, a power meter is also required. The noise
source and power meters are only used during calibration of
the analyzer. During calibration of the analyzer, an additional
ECal or mechanical calibration kit is required (also must be
ordered or supplied separately). To use a 3.5 mm m-f ECal
module as a tuner (N4691B-M0F), Option 029 includes a
3.5 mm semi-rigid cable (N5242-20137) and 3.5 mm m-f
adapter (85052-60013). For use with 3.5 mm f-f ECal modules
(N4691B-00F), order a 3.5 mm m-m adapter (85052-60014).
Option 029 also allows noise figure measurements using the
standard receivers for high-gain (> 60 dB) devices that might
otherwise overload the noise receivers.
□ Add 26.5 GHz noise receivers (Option H29)
This option adds 26.5 GHz high-sensitivity noise receivers to
N5244A 43.5 GHz and N5245A 50 GHz PNA-X models. The
option also enables use of the standard receivers for noise
figure measurements up to 43.5 or 50 GHz. Both receiver
choices yield high-accuracy noise figure measurements of
amplifiers, frequency converters and mixers, utilizing Agilent’s
unique source-correction technique. Using the PNA-X and an
Agilent ECal module configured as an impedance tuner, the
effects of imperfect system-source match are removed, greatly
improving the accuracy of the cold-source technique. This
approach surpasses the accuracy provided by the Y-factor
method. For fully corrected noise figure measurements, this
option requires an ECal module (2.4 mm N4693A m-f recom-
mended) and a 346C noise source (both must be ordered or
supplied separately). A scalar calibration choice is also available
that offers less accuracy, but is faster and does not require the
ECal module used as an impedance tuner. For measurements of
mixers and converters, a power meter is also required. The
noise source and power meter are only used during calibration
of the analyzer. During calibration of the analyzer, an additional
ECal or mechanical calibration kit is required (also must be
ordered or supplied separately). To use a 2.4 mm m-f ECal
module as a tuner (N4693A-M0F), Option H29 includes a 2.4 mm
semi-rigid cable (N5245-20140) and 2.4 mm m-f adapter (85056-
60007). For use with f-f ECal modules (N4693A-00F), order a
2.4 mm m-m adapter (85056-60005). For use with 3.5 mm m-f
ECal modules (N4691B-M0F), order two 2.4 mm to 3.5 mm m-f
adapters (11901C), plus a 3.5 mm semi-rigid cable (N5242-
20137) and a 3.5 mm m-f adapter (85052-60013). For use with
3.5 mm f-f ECal modules (N4691B-00F), order two 2.4 mm to
3.5 mm m-f adapters (11901C), plus a 3.5 mm semi-rigid cable
(N5242-20137) and a 3.5 mm m-m adapter (85052-60014).
Test port 1
R1
Test port 2
R2
A
B
Source 2
Output 1
Source 2
Output 2
rear panel
Noise receivers
10 MHz
-
3 GHz
3 -
26.5
GHz
Source 1
OUT 1 OUT 2
Source 2
OUT 1 OUT 2
J9J10J11 J8 J7 J2 J1