The Agilent 83433A is a 10 Gb/s lightwave transmitter engineered to generate stable, low-jitter optical signals across data rates from 2.4 Gb/s to 10.7 Gb/s. It supports SONET/SDH, 10 GigE, and FEC-enabled optical networks, making it essential for BER testing and receiver characterization. The instrument integrates a CW DFB laser with lithium niobate Mach-Zehnder modulation, delivering high extinction ratio and spectral purity. It accepts electrical data inputs from 0.5 V to 1.5 V peak-to-peak and operates with fixed zero chirp. When paired with the 83434A receiver, it forms a complete optical test link for system validation, fiber characterization, and commercial transmitter/receiver substitution testing.
Technical Specifications
Data Rate & Optical Performance
• Operating range: 2.4 Gb/s to 10.7 Gb/s (supports 2.488 Gb/s STM-16/OC-48 and 9.953 Gb/s STM-64/OC-192)
• Extinction ratio: minimum 12 dB
• Chirp: fixed zero adjustment
• Spectral width: 10 MHz maximum (20 dBc FWHM)
• Side-mode suppression ratio: 30 dB minimum
Internal Laser (CW DFB)
• Nominal wavelength: 1552.52 nm (ITU-T grid, 1548.41 nm to 1556.65 nm)
• Wavelength tuning: ±1.25 nm around center
• Output power: +8.5 to +11.5 dBm (+10 dBm nominal)
• Laser safety: IEC Class 3B
Electrical Data Input
• Amplitude: 0.5 V to 1.5 V peak-to-peak
• Impedance: 50 ohms
• Return loss: 12 dB minimum (0.1–5000 MHz); 9 dB minimum (5000–10,700 MHz)
• Mark density: 45% to 55%
• Maximum run length: 100 bits
• Polarity: non-inverting
• Maximum safe input: 2.0 V peak-to-peak, ±2.0 V DC
Low-Frequency Modulation
• Frequency range: 15 kHz to 10 MHz (3 dB points)
• Amplitude: 0.5 V to 1.5 V peak-to-peak (1 V pk-pk nominal for 5% mod index)
• Maximum safe input: 2.0 V peak-to-peak
– Key Features
• High-fidelity, low-jitter optical waveforms
• Internal laser modulation support (15 kHz to 10 MHz) for SBS suppression and channel identification
• External tunable laser source compatibility (1530–1565 nm wavelength range via polarization-maintaining fiber)
• Modulation format: lithium niobate Mach-Zehnder
– Typical Applications
• Bit error ratio (BER) testing of 10 Gb/s optical receivers
• SONET/SDH and 10 GigE network characterization
• FEC system validation
• Fiber link testing and characterization
• Commercial transmitter and receiver substitution testing
– Compatibility & Integration
Pairs with the Agilent 83434A 10 Gb/s Lightwave Receiver to form a complete optical test system. Accepts external polarization-controlled tunable laser sources with optical power input from +2 dBm to +12 dBm.
