The Keysight N9324C Basic Spectrum Analyzer delivers RF spectrum analysis, signal monitoring, and interference detection across 1 MHz to 20 GHz. This general-purpose instrument provides essential measurement capabilities with 1 Hz frequency resolution, dynamic range up to 154 dB (with preamp), and displayed average noise level of -144 dBm typical at 1 GHz. Built for test efficiency and usability, it supports evolving RF measurement requirements.
Technical Specifications
Frequency Performance
• Frequency Range: 1 MHz to 20 GHz
• Frequency Resolution: 1 Hz
• Frequency Span: 0 Hz (zero span), 100 Hz to 20 GHz
• Frequency Reference Aging Rate: ±1 × 10⁻⁷/Year (with Option PFR)
• Frequency Reference Temperature Stability (5°C to 45°C): ±5 × 10⁻⁸ (with Option PFR)
• Frequency Readout Accuracy: ±(0.22% × span + span/(sweep point −1))
Amplitude Characteristics
• Displayed Average Noise Level at 1 GHz: -144 dBm typical (-154 dBm with preamp)
• Measurement Range: -144 dBm to +10 dBm (1 MHz–500 MHz); -144 dBm to +20 dBm (500 MHz–20 GHz)
• Third-Order Intercept at 1 GHz: +11 dBm, +9 dBm, or +15 dBm
• Absolute Amplitude Accuracy: ±0.7 dB typical
• Amplitude Accuracy (1 MHz–7 GHz): ±1.3 dB typical
• Amplitude Accuracy (7–18 GHz): ±1.6 dB typical
• Amplitude Accuracy (18–20 GHz): ±1.8 dB typical
• Input Attenuator Range: 0 to 50 dB in 5 dB steps
• Maximum Input Power: +30 dBm (with ≥20 dB attenuation)
• DC Input Voltage: ±50 VDC maximum
• Marker Level Readout Resolution: 0.01 dB
Resolution and Bandwidth
• Resolution Bandwidth Range: 10 Hz to 3 MHz (1-3-10 sequence)
• RBW Accuracy: ±5% nominal
• Resolution Filter Shape Factor: 100 Hz)
Triggering & Modulation Analysis
• Triggering Modes: Free run, video, external, RF burst (option)
• AM/FM Modulation Analysis available (Option AMA), 10 MHz to 20 GHz
• Modulation Rate (AM): 20 Hz to 100 kHz
• Carrier Power Accuracy (<7 GHz): ±1.5 dB nominal
• Carrier Power Accuracy (7–18 GHz): ±1.8 dB nominal
– Key Features
• 1 Hz frequency resolution across full 1 MHz–20 GHz range
• Up to 154 dB dynamic range with optional preamplifier
• Zero-span capability for time-domain signal monitoring
• Input protection to ±50 VDC
• Multiple level display formats including dBm, dBmV, dBμV, watts, volts, and EMF units
• Flexible triggering options for diverse measurement scenarios
– Typical Applications
• RF interference detection and characterization
• Signal monitoring and spectral occupancy analysis
• Component and subsystem verification
• Educational laboratory measurements
