N4375B Ver la hoja de datos (PDF) - HP => Agilent Technologies
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N4375B Datasheet PDF : 20 Pages
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Specifications for opto-electrical measurements at 1310 nm
N4375B system with network analyzer
N5230C -225
N5242A -200
N5242A -400
Specifications are valid under the stated measurement conditions.
With external source optical input all specifications are typical [f2][f6][f7]
For wavelength:
(1310 ±20) nm (option -100, 102)
(O/E mode)
System performance
Relative frequency
response
uncertainty[f2]
DUT response
≥ -36 dB(A/W) [f1] [f2]
Absolute frequency
response uncertainty
≥ -46 dB(A/W)
DUT response
≥ -36 dB(A/W) [f1][f2]
Frequency response
repeatability (typ.) [f2]
DUT response
≥ -36 dB(A/W) [f1] [f2]
≥ -46 dB(A/W)
Minimum measurable frequency
response (noise floor ) [f2] [f3] [f5]
Phase uncertainty
(typ.) [f2][f4]
DUT response
≥ -36 dB(A/W) [f1]
Group delay uncertainty
0.05 GHz to 0.2 GHz 0.2 GHz to 0.7 GHz
±0.7 dBe typ.
±0.8 dBe typ.
±0.7 dBe
(±0.5 dBe [f8] )
±0.7 dBe typ.
±1.7 dBe typ
±2.0 dBe
(±1.6 dBe [f8] )
±0.15 dBe
±0.25 dBe
-49 dB(A/W)
±0.1 dBe
±0.15 dBe
-72 dB(A/W)
-
±2.0°
Derived from phase uncertainty, see section
“Group delay uncertainty”.
Example: ±2.0° → ±8 ps (1 GHz aperture)
0.7 GHz to 20 GHz
±0.8 dBe
(±0.5 dBe [f8] )
±0.8 dBe typ.
±2.1 dBe
(±1.7 dBe [f8] )
±0.12 dBe
±0.17 dBe
-76 dB(A/W)
±2.0°
[f1] For DUT response max. +10 dB (A/W).
[f2] For +4 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 wavelength 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] Average value over frequency range.
[f6] After CW responsivity and user calibration with external source.
[f7] Requires option -100 or -102.
[f8] Typical with internal source.
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