Agilent/Keysight 83494A

The Agilent/Keysight 83494A is an optical clock recovery plug-in module for Agilent/Keysight DCA oscilloscopes that derives timing references directly from optical signals under test. It eliminates the need for external trigger sources in high-speed digital transmission testing by recovering clock and data signals from SONET/SDH and Ethernet optical signals. The module synchronizes to transmission rates through 10 Gb/s and delivers exceptional jitter performance for accurate waveform analysis in telecommunications and enterprise networking applications.

– Technical Specifications

Optical Interface
• Single-mode fiber (9/125 µm)
• Wavelength range: 1200–1600 nm

Data Rates
• 0.155 Gb/s, 0.622 Gb/s, 2.488 Gb/s, 9.953 Gb/s
• 0.155 Gb/s, 0.622 Gb/s, 2.488 Gb/s, 10.3125 Gb/s
• 0.155 Gb/s, 0.622 Gb/s, 2.488 Gb/s, 2.666 Gb/s, 10.709 Gb/s (with Option 106)
• 10 Gigabit Ethernet support (with Option 103)

Input Power
• −14 to +3 dBm (data rates ≤ 2.488 Gb/s)
• −8 to +3 dBm (data rates ≥ 9.953 Gb/s)
• Maximum safe input: +3 dBm

Phase-Locked Loop Bandwidth
• 90 kHz (internal triggering)
• 4 to 5 MHz (external output)

Signal Outputs
• Recovered clock trigger
• Recovered data output
• Mainframe trigger signal
• Electrical recovered clock and regenerated data signals

– Key Features

• Plug-in form factor for direct DCA mainframe integration
• Front-panel optical INPUT connector for single-mode fiber
• Simultaneous electrical outputs enable parallel testing with external instruments
• Lower jitter modulation bandwidth on mainframe trigger compared to front-panel CLOCK Auxiliary Output

– Typical Applications

• Telecommunications transmission testing (SONET/SDH)
• 10 Gigabit Ethernet signal analysis
• High-speed digital communication characterization
• Signal integrity and timing recovery validation

– Compatibility & Integration

Supported mainframes:
• Agilent 86100A Infiniium DCA (firmware A.06.25 or later)
• Agilent 86100B Infiniium DCA (firmware A.06.25 or later; A.03.04 or later for Options 103 and 107)
• Agilent 86100C Infiniium DCA-J
• Agilent 86100D Infiniium DCA-X