The Agilent/Keysight 83493A is a single-mode optical clock recovery module that extracts clock and data information from high-speed optical signals in the 1200–1600 nm window. Operating across five standard telecom and datacom rates (0.155, 0.622, 1.250, 2.488, 2.500 Gb/s), this module integrates with Agilent/Keysight 83480A and 86100-series Digital Communications Analyzers to deliver precise trigger signals for accurate analysis of optical data streams without a reference clock.
Technical Specifications
• Wavelength Range: 1200–1600 nm
• Supported Data Rates: 0.155, 0.622, 1.250, 2.488, 2.500 Gb/s
• Optical Fiber: 9/125 µm single-mode (FC/PC connectors)
• Input Power Range: −20 to +3 dBm
• Output Jitter: < 0.0125 UI RMS
• PLL Bandwidth (Internal): 50–70 kHz
• PLL Bandwidth (External Output): 4–5 MHz
• Input Return Loss: 28 dB
• Input Insertion Loss: 1.55 dB
• Internal Splitter Ratio: 10/90
– Key Features
• Trigger bandwidth up to 12 GHz (Normal Mode: DC–2.5 GHz; Option 100 High Speed Mode: 2.0–12 GHz typical to 15 GHz)
• Trigger sensitivity: 40 mVpp at 100 MHz, scaling to 200 mVpp at 2.5 GHz (Normal Mode); 200 mVpp 2.0–12 GHz (High Speed Mode)
• Trigger jitter < 2.5 ps RMS + 5E−5×delay at 2.5 GHz (Normal Mode); < 2 ps RMS typical 1.3 ps (High Speed Mode)
• Trigger level range: ±1 V
• Maximum trigger signal: < 2 V dc + ac peak (+16 dBm)
• Recovered clock outputs on Type N connectors with SMA adapters
– Compatibility & Integration
• Compatible Mainframes: Agilent/Keysight 83480A DCA; 86100A/B/C/D Infiniium DCA/DCA-J/DCA-X
• Fiber Requirement: 9/125 µm single-mode only; multimode fiber connection causes excessive reflections and insertion loss
• Data rate selection via front-panel SELECT key with indicator light confirmation
