The Agilent/Keysight E4430B ESG-D Series is a digital RF signal generator spanning 250 kHz to 1 GHz with sophisticated modulation and baseband generation capabilities. Built for communication system testing in development and production, it delivers custom digital modulation, analog modulation, and pulse modulation with RF modulation bandwidth up to 35 MHz. The instrument combines coherent carrier output with optional real-time I/Q baseband generation and internal BER analysis, making it suitable for demanding R&D and manufacturing test environments.
Technical Specifications
• Frequency Range: 250 kHz to 1 GHz
• RF Modulation Bandwidth: Up to 35 MHz
• I/Q Sample Rate: 40 MHz
• I/Q Resolution: 14-bit
• Waveform Memory: 1 Msample (4 MB) for playback and storage
• Level Accuracy: ±0.5 dB (>–127 dBm, fc 2 GHz); better than ±1.05 dB with digital modulation enabled
• Output Impedance: 50 Ω
• Analog I/Q Input Impedance: 50 Ω
• Maximum Analog I/Q Input Level: 1 Vrms
• Calibration Cycle: Two-year
• Dimensions: 16 × 14 × 10 in; 5-inch rack mountable
• Weight: 25 lbs
– Key Features
• Custom digital modulation with >15 FSK, MSK, PSK, and QAM variations
• AM, FM, and phase modulation
• Pulse modulation and step/list sweep (frequency and power)
• Optional dual arbitrary waveform generator
• Optional real-time I/Q baseband generator
• Broadband analog I/Q inputs with adjustment capabilities
• RF output via 50 Ω BNC connector
• Internal BER analyzer option (UN7) for bit error rate testing
• GSM/EDGE base station BERT capability (Option 300)
• IntuiLink PC software included
– Typical Applications
Communication system development and validation, RF device characterization, modulated signal generation for receiver testing, and production-level quality assurance in wireless and broadband applications.
– Compatibility & Integration
Part of the ESG family signal generator portfolio. The N5172B EXG X-Series RF vector signal generator serves as the replacement platform.
















