The Agilent/Keysight E4422B ESG-A Series Analog RF Signal Generator delivers precise, high-quality RF signal generation across 250 kHz to 4 GHz for manufacturing, R&D, and service environments. This instrument provides independent control over frequency, amplitude, and modulation parameters with output accuracy of ±0.9 dB typical. The E4422B supports simultaneous AM, FM, phase, and pulse modulation, internal function generation, and multiple sweep modes, making it suitable for demanding RF test applications requiring signal fidelity and flexible modulation capabilities.
Technical Specifications
Frequency and Power
• Frequency range: 250 kHz to 4 GHz
• Output level: +7 dBm to –120 dBm (standard); +10 dBm to –120 dBm with Option UNB; < –127 dBm with Option UNB
• Output accuracy: ±0.9 dB typical
• Level accuracy (relative to CW): ±0.5 dB typical; ±0.5 dB from 250 kHz to 2 GHz
• Power resolution: 0.2 dB
• Attenuator options: Electronic or mechanical
Modulation Capabilities
• AM, FM, phase, and pulse modulation with simultaneous multi-type capability
• Internal pulse generator: 0.1 Hz to 50 kHz squarewave rates; 8 µs to 30 sec pulse width; 150 ns rise/fall times typical
• Pulse repetition frequency: 10 Hz–250 kHz (ALC On) or DC–1.0 MHz (ALC Off) typical
• Internal function generator: Sine, square, ramp, triangle, pulse, and noise waveforms from 0.1 Hz–50 kHz with 0.005% frequency accuracy
Signal Quality
• Residual FM: < 2 Hz to 4 Hz in 0.3 to 3 kHz bandwidth
• Harmonics: < 30 dBc typical below 1 GHz at +4 dBm output
• Nonharmonics: 3 kHz offset (250 kHz to 1 GHz); 10 kHz offset
Sweep and Frequency Stability
• Step sweep modes: Frequency, power, and list
• Amplitude and frequency sweep capability
• Frequency stability: 0.005% accuracy with Option 1E5 high-stability timebase
– Key Features
• Dual sinewave mode with 0 to 100% amplitude ratio control
• Swept sine with triggered or continuous operation; 1 ms to 65 sec sweep time
• SCPI programmable interface for instrument control and automation
• Flexible attenuator selection for different measurement requirements
– Typical Applications
• Component and subsystem RF characterization
• Receiver sensitivity testing and validation
• Modulation performance verification
• Pulse signal generation for radar and communications testing
– Compatibility & Integration
SCPI command interface enables integration with automated test systems and remote operation.
