The HP 83430A Lightwave Transmitter is a high-performance digital lightwave source operating at 1307.53 nm, designed for evaluating TDM and WDM optical receiver performance. It supports SDH/SONET standards from OC-1 (51.84 Mb/s) to STM-16/OC-48 (2.488 Gb/s) with a directly modulated DFB laser and user-adjustable extinction ratio to simulate diverse optical signal conditions.
Technical Specifications
Optical Output
• Center Wavelength: 1307.53 nm
• Wavelength Adjustment Range: ±1.25 nm via temperature tuning (±10°C about 25°C)
• Extinction Ratio: 10 dB standard preset; front panel adjustment from 13 dB
• Peak Coupled Power (Digital Mode): ≥1.3 mW (+1 dBm)
• Average Coupled Power (Analog Mode): ≥0.63 mW (–2.0 dBm)
• Output Fiber: 9/125 µm single-mode
• Laser Safety: 21 CFR 1040.10 Class 1 and IEC 825-1 Class 1 compliant
• Optical Connector: FC/PC standard; SC PC/APC available separately
Digital AC Coupled Input
• Maximum Input Level: 2 V peak-to-peak
• Bit Rate: 50 to 2500 Mb/s; modulation verified to 1.3 GHz
• Pulse Pattern: 0 to 100% or 40 to 60% ones density
• Polarity: Inverting
• Impedance: 50 Ω
• Input Return Loss: 12 dB (0.1–1 GHz), 9 dB (1–2 GHz), 6 dB (2–2.5 GHz)
Digital DC Coupled Input
• Maximum Input Level: –4.5 to 0 V
• Bit Rate: DC to 2500 Mb/s
• Polarity: Non-inverting
• Input Level: –1.7 V low, –0.9 V high (ECL)
• Digital Threshold Adjustment: ±0.2 V
• Impedance: 50 Ω
• Input Return Loss: 12 dB (0.1–1 GHz), 8.5 dB (1–2 GHz), 6 dB (2–2.5 GHz)
Analog AC Coupled Input
• Maximum Input Level: 2 V peak-to-peak
• Frequency Range: 0.1 to 2500 MHz; verified to 70 MHz
• Impedance: 50 Ω
• Input Return Loss: 12 dB (0.1–1 GHz), 9 dB (1–2 GHz), 6 dB (2–2.5 GHz)
– Key Features
• Multi-rate capability across SDH/SONET OC-1 through OC-48 standards
• Temperature-tuned wavelength adjustment for ITU grid alignment in WDM systems
• Bellcore GR-253 and ITU-T G.957 compliant eye mask performance
• Dual-mode input: AC/DC digital and analog modulation
• User-adjustable extinction ratio via front panel control
• Type N female input connectors
– Typical Applications
• High-speed optical receiver characterization and validation
• WDM system testing with precise wavelength positioning
• SDH/SONET compliance verification
• TDM optical link performance evaluation
– Compatibility & Integration
Standard Agilent optical interface with universal interface adapter. FC/PC connector standard; optional SC PC/APC connectors available.
