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PDF N4373C Data sheet ( Hoja de datos )
| Número de pieza | N4373C | |
| Descripción | 67 GHz Single-Mode Lightwave Component Analyzer | |
| Fabricantes | Agilent(Hewlett-Packard) | |
| Logotipo | .gif "Agilent(Hewlett-Packard)"){kind=logo} |
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Hay una vista previa y un enlace de descarga de N4373C (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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Agilent
N4373C
67 GHz Single-Mode
Lightwave Component Analyzer
for 40/100G electro-optical test
Data Sheet
www.DataSheet4U.com
1 page  
Definitions
Explanation of terms
Generally, all specifications are valid at the stated operat-
ing and measurement conditions and settings, with uninter-
rupted line voltage.
Specifications (guaranteed)
Describes warranted product performance that is valid under
the specified conditions.
Specifications include guard bands to account for the ex-
pected statistical performance distribution, measurement
uncertainties changes in performance due to environmental
changes and aging of components.
Typical values (characteristics)
Characteristics describe the product performance that is
usually met but not guaranteed. Typical values are based on
data from a representative set of instruments.
General characteristics
Give additional information for using the instrument. These
are general descriptive terms that do not imply a level of
performance.
Responsivity
For electro-optical devices (e.g. modulators ) this describes
the ratio of the optical modulated output signal amplitude
compared to the RF input amplitude of the device.
For opto-electrical devices (e.g. photodiodes) this describes
the ratio of the RF amplitude at the device output to the am-
plitude of the modulated optical signal input.
Relative frequency response uncertainty
Describes the maximum deviation of the shape of a mea-
sured trace from the (unknown) real trace. This specification
has strong influence on the accuracy of the 3-dB cut-off fre-
quency determined for the device under test.
Absolute frequency response uncertainty
Describes the maximum difference between any amplitude
point of the measured trace and the (unknown) real value.
This specification is useful to determine the absolute re-
sponsivity of the device versus modulation frequency.
Frequency response repeatability
Describes the deviation of repeated measurement without
changing any parameter or connection relative to the aver-
age of this measurements.
Minimum measurable frequency response
Describes the average measured responsivity when no mod-
ulation signal is present at the device under test. This repre-
sents the noise floor of the measurement system.
Definition of LCA input and output names
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LCA electrical port A
LCA electrical port B
LCA optical output LCA optical input
5
5 Page 
Specifications for optical to electrical measurements at 1550 nm
N4373C system with network analyzer
E8361C/A -014
Specifications are valid under the stated measurement conditions.
For external source optical input all specifications are typical .[f2][f5][f6]
For wavelength:
(1550 ±20) nm (option -101,102)
(O/E mode)
System perfor-
mance
Relative frequency
response uncer-
tainty [f2]
DUT response
≥ -15 dB(A/W)[f1]
≥ -25 dB(A/W)
(typical)
≥ -35 dB(A/W)
(typical)
Absolute
DUT response
frequency response
uncertainty f2]
≥ -25 dB(A/W) [f1]
Frequency re-
sponse repeatabil-
ity (typ) f2]
DUT response
≥ -15 dB(A/W)[f1]
≥ -25 dB(A/W)
≥ -35 dB(A/W))
Minimum measurable frequency
response (noise floor ) [f2] [f3][f8]
Phase uncertainty DUT response
(typ.) [f2,f4]
≥-15 dB(A/W) [f1]
≥-25 dB(A/W)
Group delay uncertainty
0.05 GHz to 0.2 GHz to
0.2 GHz
0.7 GHz
0.7 GHz to
20 GHz
±0.7 dBe typ.
±0.8 dBe.
±0.8 dBe
(±0.6 dBe )[f7]
±0.7 dBe
±0.9 dBe
(±0.7 dBe )[f7]
±0.8 dBe
±0.8 dBe.
±0.7 dBe
±0.8 dBe
±1.9 dBe
±1.9 dBe
(±1.1 dBe [f7] ) (±1.1 dBe )[f7] (±1.1 dBe )[f7]
±0.02 dBe
±0.02 dBe
±0.02 dBe
-60 dB(A/W)
±0.02 dBe
±0.02 dBe
±0.02 dBe
-60 dB(A/W)
±0.02 dBe
±0.02 dBe
±0.06 dBe
-60 dB(A/W)
±3.5°
±3.0° ±2.4°
±5.5°
±3.5° ±2.4°
Derived from phase uncertainty, see section
“Group delay uncertainty”.
Example: ±2.0° → ±8 ps (1 GHz aperture)
20 GHz to
50 GHz
±1.2 dBe
(±0.8 dBe )[f7]
±0.9 dBe
±1.3 dBe
±2.0 dBe
(±1.2 dBe )[f7]
±0.3 dBe
±0.5 dBe
±0.5 dBe
-60 dB(A/W)
±3.2°
±5.0°
50 GHz to
65 GHz
±1.9 dBe
(±1.3 dBe )[f7]
±1.4 dBe
±1.7 dBe
±2.8 dBe
(±1.6 dBe )[f7]
±0.5 dBe
±0.7 dBe
±0.8 dBe
-55 dB(A/W)
±5.0°
±7.0°
[f1] For DUT response max. -10 dB(A/W).
[f2] For +5 dBm average output power from LCA optical output..
[f3] IFBW = 10 Hz.
[f4] Except phase wrap aliasing (example: a DUT group delay of 5 ns (1 m cable length) requires a frequency step size of ≤0.2 GHz to avoid phase wraps). Excluding a
constant group delay offset of <±0.3 ns typ. (cable length uncertainty <±0.06 m). A constant group delay offset leads to a phase offset∆φ = 360° × ∆GD × fmod.(in deg).
[f5] After CW responsivity and user calibration with external source.
[f6] Requires option -101 or -102.
[f7] Typical with internal source.
[f8] Average value over frequency range.
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| PDF Descargar | [ Datasheet N4373C.PDF ] | |
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