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Keysight Technologies (Agilent HP) 83430A (Lightwave Digital Source) Main Features and Specifications

Product Specs

  • Status Discontinued
  • Alternative No alternative

The Agilent 83430A is a modulatable DFB laser source that converts digital input signals to a preset optical output level that is SDH/SONET compliant. This lightwave digital source is designed to evaluate the performance of high-speed TDM (time division multiplexed) and WDM (wavelength division multiplexed) optical receivers and systems to SDH/SONET OC-1 (51.84 Mb/s) through STM-16/OC-48 (2.488 Gb/s) standards.

The instrument has three separate modulation input ports. The AC coupled analog input provides a general-purpose input for direct modulation of the DFB laser. The AC and DC coupled digital inputs convert ECL compatible input signals to a preset optical output level that is SDH/SONET compliant.

The digital input threshold is user adjustable so that the desired symmetry of optical one and zero levels may be obtained. The 83430A has a user adjustable extinction ratio so that a wide range of optical signals can be simulated.

The standard product has a 1550 nm center wavelength. There are eight optional center wavelength versions including 1310 nm and seven wavelengths between 1535 nm and 1560.5 nm. The center wavelength of the 83430A can be adjusted by means of a front panel temperature control. This wavelength adjustment ability lets you select a preset wavelength or tune the wavelength to some specific value within ±1.25 nm of the center wavelength.

  • SDH/SONET compliant
  • 52, 155, 622 and 2488 Mb/s rates
  • User adjustable extinction ratio
  • Center wavelengths
    • 83430A-130: 1310 ±20 nm
    • 83430A-350: 1535 ±1 nm
    • 83430A-390: 1539 ±1 nm
    • 83430A-430: 1543 ±1 nm
    • 83430A-462: 1546.2 ±1 nm
    • 83430A-155: 1550 ±1 nm
    • 83430A-534: 1553.4 ±1 nm
    • 83430A-570: 1557 ±1 nm
    • 83430A-605: 1560.5 ±1 nm
  • Input modulation (Digital AC Coupled)
    • Maximum input level: 2 Vp-p
    • Bit rate: 50 to 2500 Mb/s
    • Pulse pattern: 40 to 60% ones density
    • Polarity: Non-inverting
    • Input level: 0.7 to 1.5 Vp-p
    • Digital threshold adjustment range: ±0.2 V
    • Impedance: 50 Ω
    • Input return loss: 12 dB at 0.1 to 1 GHz, 8.5 dB at 1 to 2 GHz, 6 dB at 2 to 2.5 GHz
  • Input modulation (Digital DC Coupled)
    • Maximum input level: -4.5 to 0 V 
    • Bit rate: DC to 2500 Mb/s
    • Pulse pattern: 0 to 100% ones density
    • Polarity: Non-inverting
    • Input level: -1.7 V low, -0.9 V high (ECL levels)
    • Digital threshold adjustment range: ±0.2 V
    • Impedance: 50 Ω to -2 Vdc
    • Input return loss: 12 dB at 0.1 to 1 GHz, 8.5 dB at 1 to 2 GHz, 6 dB at 2 to 2.5 GHz
  • Input modulation (Analog AC Coupled)
    • Maximum input level: 2 Vp-p
    • Bit rate: 0.1 to 2500 MHz
    • Polarity: Inverting
    • Input level: 2 Vp-p maximum
    • Impedance: 50 Ω
    • Input return loss: 12 dB at 0.1 to 1 GHz, 9 dB at 1 to 2 GHz, 6 dB at 2 to 2.5 GHz
  • Wavelength Adjustment Range: ±1.25 nm (±1.8 nm typical)
  • Extinction Ratio: 10 dB ±1 dB
  • Bias/Extinction Ratio Adjustment Range: From less than 8.2 dB to greater than 13 dB
  • Peak Coupled Power (Digital mode): 1.3 mW minimum (+ 1 dBm)
  • Average Coupled Power (Analog mode): 0.63 mW minimum (–2 .0 dBm)
  • Relative Intensity Noise: (RIN) @ 1 GHz –145 dB/Hz
  • Spectral Width: 0.3 nm maximum at –3 dB, 1 nm maximum at –20 dB
  • Dispersion Power Penalty: < 2.0 dB
  • Side-mode Suppression Ratio: 33 dB minimum
  • Jitter Generation: 0.05 maximum UI p-p 0.005 maximum UI rms
  • Eye Mask Performance: Conforms to Bellcore GR-253 and ITU-T G.957 at OC-1, STM-1/OC-3, STM-4/OC-12, STM-16/OC-48
  • Input Connectors: Type N female
  • Optical Interface: Diamond HMS-10 with universal interface adapter
  • Connector Interface: FC/PC standard, other connectors available
  • Output Fiber: 9/125 µm, single-mode