Agilent Technologies Agilent 8164A Guide de l'utilisateur Page 68

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Specifications Conditions
68 Agilent 81600B Tunable Laser Source Family, Fourth Edition
Supplementary Performance
Characteristics
Operating Modes:
Internal digital modulation
50% duty cycle , 200 Hz to 300 Hz.
Displayed wavelength represents average wavelength.
Modulation output (mainframe): TTL reference signal.
External digital modulation
> 45% duty cycle
delay time < 300 ns, 200 Hz to 1 MHz.
Displayed wavelength represents average wavelength.
Modulation input (mainframe): TTL signal.
External analog modulation
±15% duty cycle
5kHz to 20MHz
Modulation input (mainframe): 5 Vp-p
External wavelength locking
> ±70pm at 10Hz
> ±7 pm at 100 Hz
Modulation input: ±5 V
Coherence Control:
For measurements on components with 2 m long patchcords and
connectors with 14 dB return loss, the effective linewidth results in a
typical power stability of < ±0.025 dB over 1 minute by drastically reducing
interference effects in the test setup.
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