R1280A Просмотр технического описания (PDF) - HP => Agilent Technologies
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R1280A
HP => Agilent Technologies
R1280A Datasheet PDF : 18 Pages
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Specifications for electro to optical measurements at 1310 nm
N4373C system with network analyzer
E8361C/A -014
(E/O mode)
Specifications are valid under the stated measurement conditions.
At optical input 1 (“+ 7 dBm max”). At optical input 2 (“+ 17 dBm max”), specifications are typically the same for
10 dB higher incident average and modulated optical power.
For wavelength:
(1310 ±10) nm (option -100,102).
System perfor-
mance
0.05 GHz to 0.2 GHz to
0.2 GHz
0.7 GHz
0.7 GHz to
20 GHz
20 GHz to
50 GHz
50 GHz to
65 GHz
Relative frequency
response uncer-
tainty
DUT response
≥ -24 dB(W/A) [f1] ±0.8 dBe typ. ±1.0 dBe
±1.1 dBe
±1.1 dBe
±2.4 dBe
(±0.7 dBe typ) (±0.8 dBe typ) (±0.8 dBe typ) (±1.7 dBe typ)
≥ -34 dB(W/A) ±0.8 dBe
(typical)
±0.8 dBe
±0.8 dBe
±0.8 dBe
±1.8 dBe
≥ -44 dB(W/A) ±0.9 dBe
(typical)
±0.9 dBe
±0.9 dBe
±2.2 dBe
±4.0 dBe
Absolute frequency DUT response
response uncer-
tainty
≥ 24 dB(W/A) [f1]
±1.7 dBe typ
±2.4 dBe
±2.6 dBe
±2.7 dBe
±3.2 dBe
(±1.7 dBe typ) (±1.8 dBe typ) (±1.9 dBe typ) (±2.2 dBe typ)
Frequency response DUT response
repeatability (typ) ≥ -24 dB(W/A)[f1] ±0.03 dBe
±0.03 dBe
±0.05 dBe
±0.15 dBe
±0.25 dBe
≥ -34 dB(W/A) ±0.03 dBe ±0.03 dBe ±0.11 dBe ±0.4 dBe
±0.8 dBe
≥ -44 dB(W/A) ±0.03 dBe ±0.03 dBe ±0.6 dBe
±1.3 dBe
±2.2 dBe
Minimum measurable frequency
response (noise floor ) [f2] [f4]
-64 dB(W/A) -64 dB(W/A) -64 dB(W/A) -64 dB(W/A) -59 dB(W/A)
Phase uncertainty DUT response
(typ.) [f3]
≥-24 dB(W/A) [f1] ±3.5°
±3.0°
±2.7°
±3.7°
±5.5°
≥-34 dB(W/A) ±3.5°
±3.5°
±2.7°
±4.8°
±9.0°
Group delay uncertainty
Derived from phase uncertainty, see section
“Group delay uncertainty”.
Example: ±2.0° → ±8 ps (1 GHz aperture)
[f1] For DUT response max. -13 dB(W/A).
[f2] IFBW = 10 Hz.
[f3] 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).
[f4] Average value over frequency range.
8
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