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 optical to optical measurements at 1310 nm
N4375B system with networrk analyzer
N5230C -225
N5242A -200
N5242A -400
(O/O mode)
Specifications are valid under the stated measurement conditions and after user calibration with LCA optical output set to
maximum average power (+4 dBm)
At optical input 1 (“+ 7 dBm max”). At optical input 2 (“+ 17 dBm max”), specifications are typicaly the same for
10 dB higher incident average and modulated optical power.
With external source optical input all specifications are typical [f2][f6][f7]
For wavelength:
(1310 ±20) nm (option -100, 102).
System performance
Relative frequency
DUT response
response uncertainty[f3] ≥ -13 dBe
( ≥-6.5 dBo) [f4]
Absolute frequency DUT response
response uncertainty[f3] ≥ -13 dBe [f4]
( ≥-6.5 dBo)
Frequency response
repeatability (typ.) [f3]
DUT response
≥ -13 dBe
( ≥-6.5 dBo) [f4]
Minimum measurable frequency
response (noise floor ) [f1] [f3][f5]
Phase uncertainty
(typ.) [f2][f3]
DUT response
≥ -13 dBe
(≥-6.5 dBo) [f4]
Group delay uncertainty
0.05 GHz to 0.2 GHz 0.2 GHz to 0.7 GHz 0.7 GHz to 20 GHz
±0.25 dBe, (typ.)
(±0.125 dBo ), (typ.)
.
±1.2 dBe typ.
(±0.6 dBo typ.)
±0.25 dBe
(±0.125 dBo)
±1.2 dBe
(±0.6 dBo)
±0.25 dBe
(±0.125 dBo)
±1.2 dBe
(±0.6 dBo)
±0.1 dBe
-35 dBe
(-17.5 dBo)
±0.1 dBe
-60 dBe
(-30 dBo)
±0.1 dBe
-64 dBe
(-32 dBo )
-
±2.0°
Derived from phase uncertainty, see section
“Group delay uncertainty”.
Example: ±2.0° → ±8 ps (1 GHz aperture)
±2.0°
[f1] IFBW = 10 Hz.
[f2] 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).
[f3] For +4 dBm average output power from LCA optical output.
[f4] For DUT response maximum +6 dBe (+3dBo ) gain.
[f5] Average value over frequency range.
[f6] After CW responsivity and user calibration with external source.
[f7] Requires option -100 or -102.
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