The Agilent/Keysight N1966A is a Pulse I/O Adapter that extends the measurement and signal generation capabilities of Keysight PNA-X series network analyzers. It converts the 15-pin D-sub pulse I/O interface on the PNA-X rear panel to coaxial SMB male connectors, enabling precise pulse characterization, timing synchronization, and modulation control across radar, wireless communication, and high-speed digital design applications.
Technical Specifications
Electrical Characteristics
• Input Impedance: 50 Ohms
• Output Impedance: 50 Ohms
• Pulse Frequency Range: Up to 20 GHz
• Pulse Width: Down to 4 ns
• Amplitude Range: -5 V to +5 V
• Sample Rate: Up to 100 MSa/s
• Power Input: 100-240 VAC, 48-63 Hz
• Operating Temperature: 0°C to 55°C
Physical Specifications
• Dimensions: 9.75 x 2.75 x 6.25 inches
• Weight: 3.5 lbs
• Connector Type: SMA
– Key Features
• Provides interface for pulse signal generation and measurement via dedicated coaxial connectors
• Routes input to receiver IF gates for one reference and four test receivers
• Outputs from each of four internal pulse generators
• RF signal pulse modulation drive input for amplitude control
• Trigger input for internal pulse generator timing synchronization
• 50 Ohm matched impedance throughout signal chain
– Typical Applications
• Pulsed antenna measurements and characterization
• Radar system testing and validation
• Wireless communication pulse parameter verification
• High-speed digital circuit pulse generation and acquisition
• Multi-receiver pulse synchronization in network analysis
– Compatibility & Integration
The N1966A integrates directly with Keysight PNA-X series network analyzers, including the N5242A model. Connection to the PNA-X’s rear-panel pulse I/O port enables full access to internal pulse generators and receiver gating without external signal conditioning.


















