The Keysight N1045B is a remote sampling head module for high-speed digital communication signal analysis, designed to integrate with the Keysight N1000A DCA-X mainframe. It delivers precise characterization and validation of high-speed electrical designs with selectable bandwidth configurations and user-configurable channel counts, making it suitable for demanding R&D and manufacturing test environments.
Technical Specifications
Bandwidth & Signal Integrity
• Bandwidth: up to 60 GHz (65 GHz typical), user-selectable at 20 GHz, 35 GHz, 45 GHz, and 60 GHz
• Transition time (10%–90%): 5.8 ps at 60 GHz BW; 7.8 ps at 45 GHz BW; 10 ps at 35 GHz BW; 17.5 ps at 20 GHz BW
• Intrinsic jitter: 90 fs rms
• RMS noise: 310 μV (characteristic) at 20 GHz BW
• Channel-to-channel skew range: ±100 ps
Channels & Connectors
• 2 or 4 channels (user-selectable); 1.85 mm connectors (male or female option)
• Maximum input voltage: ±2V
• Maximum torque: 5 in-lb (0.57 Nm) for 1.85 mm connectors
• 1.85 mm and 2.4 mm connectors are mechanically compatible
Sampling & Physical
• Sample rate: 250 kSa/s
• Remote head cable length: 1270 mm (front panel to remote head casing)
• System impulse response correction (SIRC): custom file per channel
– Key Features
• Selectable bandwidth modes optimize for specific measurement requirements
• Dual-option channel configurations (2 or 4) accommodate varying test complexity
• Low intrinsic jitter (90 fs rms) ensures timing accuracy for precision measurements
• Per-channel SIRC files enable signal fidelity correction
– Compatibility & Integration
• Compatible with Keysight N1000A DCA-X mainframe
• Compatible with 86100D mainframe (N1045A/B specifications apply)
• Controlled via N1010A FlexDCA Sampling Oscilloscope Software
• Firmware requirement: FlexDCA version A.06.90 or later for serial numbers ≥ MY62100101; version A.06.00 for earlier serials
• Operating temperature: +10°C to +40°C
• Stabilization time: 1 hour continuous operation in final setup configuration
