Agilent/Keysight E4443A

The Agilent/Keysight E4443A is a high-performance spectrum analyzer delivering signal analysis from 3 Hz to 6.7 GHz with exceptional sensitivity and dynamic range. Built for RF and microwave characterization, it combines low noise floor, precise amplitude measurement, and flexible bandwidth control to support wireless communications testing, component analysis, and signal integrity verification. The instrument integrates optional GPIB, LAN, and USB connectivity for seamless integration into automated test environments.

– Technical Specifications

• Frequency Range: 3 Hz to 6.7 GHz
• Resolution Bandwidth (RBW): 1 Hz to 8 MHz (1-3-10 sequence)
• Video Bandwidth (VBW): 0.1 Hz to 8 MHz (1-3-10 sequence)
• Amplitude Accuracy: ±0.7 dB (typical, 25°C, post-warm-up, 0 dBm reference)
• Display Average Noise Level (DANL):
– –172 dBm typical (preamplifier ON, 10 MHz to 6.7 GHz)
– –158 dBm typical (preamplifier OFF, 10 MHz to 6.7 GHz)
• Third Order Intercept (TOI): +17 dBm typical
• Second Harmonic Distortion: –84 dBc typical (1 GHz, –20 dBm input)
• Dynamic Range: 114 dB typical (1 GHz, 10 Hz RBW); 118 dB typical (100 MHz, 1 Hz RBW)
• Spurious-Free Dynamic Range (SFDR): 78 dB typical (1 GHz, –20 dBm input)
• Sweep Time: 10 ms to 1000 s
• Spectral Points: 2 to 4096
• Input Impedance: 50 Ohms
• Maximum RF Input: +30 dBm continuous wave
• Power Consumption: <150 VA
• Dimensions: 426 mm × 178 mm × 547 mm
• Weight: 20.4 kg

– Key Features

• Type N female RF input connector (50 Ohm)
• Configurable external reference frequency input and output
• Integrated trigger, probe power, IF, and video outputs
• Optional GPIB, LAN, and USB interfaces for system integration
• Adjacent Channel Power (ACP), Occupied Bandwidth (OBW), and Channel Power measurements
• N-dB Bandwidth, TOI, and spurious detection capabilities
• AM/FM demodulation support

– Typical Applications

• Wireless communications signal analysis and validation
• RF and microwave component characterization
• Signal integrity and spectral purity assessment
• Harmonic and intermodulation distortion measurement

– Compatibility & Integration

The E4443A integrates with signal generators, power meters, network analyzers, and antenna/probe systems via standard 50 Ohm connectors and optional digital interfaces.