The Keysight (Agilent) E4422B is an ESG-A Series analog RF signal generator offering a frequency range of 250 kHz to 4.0 GHz. Designed for demanding receiver test, component test, and local oscillator applications, it delivers excellent frequency and level control, superior level accuracy, wide analog modulation capabilities, and flexible upgrade paths.

Specifications

Frequency

ParameterValue
Minimum Frequency250 kHz
Maximum Frequency4 GHz
Frequency Resolution0.01 Hz

Output

ParameterValue
Maximum Output Power+13 dBm
Output Power Range-136 to +13 dBm

Modulation

ParameterValue
ModulationAM, FM, Phase Modulation (ΦM), Pulse Modulation
Sweep ModesStep sweep (frequency, power, and list)

General

ParameterValue
Reference Oscillator10 MHz
InterfacesGPIB, RS-232

Frequency Specifications

ParameterValue
Frequency Range250 kHz to 4.0 GHz
Frequency Switching Speed (Analog)< 45 ms (typically < 30 ms)
External Reference Input Frequency1, 2, 5, 10 MHz (±10 ppm)

Amplitude & Output Power

ParameterValue
Amplitude Resolution0.02 dB
RF Output Impedance50 ohms

Spectral Purity

ParameterValue
Harmonics (output <= +4 dBm)<-30 dBc
SSB Phase Noise (at 500 MHz, 20 kHz offset)<-122 dBc/Hz
SSB Phase Noise (at 1 GHz, 20 kHz offset)<-116 dBc/Hz
SSB Phase Noise (at 2 GHz, 20 kHz offset)<-110 dBc/Hz
SSB Phase Noise (at 3 GHz, 20 kHz offset)<-104 dBc/Hz
SSB Phase Noise (at 4 GHz, 20 kHz offset)<-104 dBc/Hz

Amplitude Modulation (AM)

ParameterValue
AM Frequency Response (3 dB bandwidth, ALC on)10 Hz to 10 kHz

Pulse Modulation

ParameterValue
Pulse Modulation On/Off Ratio> 80 dB

Sweep Capabilities

ParameterValue
Number of Sweep Points (Step Sweep)2 to 401 points

Connectivity & Auxiliary Interfaces

ParameterValue
RF Output Connector TypeType-N female
GPIB Interface PortIEEE-488.2
RS-232 Interface Port9-pin D-sub
Reference Input ConnectorBNC female
Reference Output ConnectorBNC female
Sweep / Trigger Output ConnectorBNC female

Power & Physical Specifications

ParameterValue
Power Supply Voltage90 to 254 VAC
Power Supply Frequency50, 60, or 400 Hz

Environmental & Compliance

ParameterValue
Operating Temperature Range0 to 55 °C
Storage Temperature Range-40 to 71 °C
Operating Altitudeup to 4600 meters
Recommended Calibration Cycle24 months

Internal Modulation Generator

ParameterValue
Internal Modulation WaveformsSine, triangle, square, ramp, noise
Internal Modulation Frequency Range (Sine)0.1 Hz to 50 kHz
Internal Modulation Frequency Range (Triangle/Square/Ramp)0.1 Hz to 10 kHz
Internal Modulation Frequency Resolution0.1 Hz
Internal Modulation Frequency AccuracySame as reference oscillator

Options & Configurations

ParameterValue
Option 1EM Connector ConfigurationMoves all front panel connectors to the rear panel
Option 1CP Rackmount KitRackmount kit with handles

Internal Modulation Source

ParameterValue
LF Output Impedance50 ohms (nominal)

Amplitude

ParameterValue
Level Accuracy (<= 2 GHz, -120 to +7 dBm)±0.5 dB
Level Accuracy (> 2 to 4 GHz, -120 to +7 dBm)±0.9 dB
Level Accuracy (<= 2 GHz, -127 to -120 dBm)±0.9 dB
Level Accuracy (> 2 to 4 GHz, -127 to -120 dBm)±1.5 dB

Phase Modulation

ParameterValue
Maximum Phase Deviation (normal bandwidth mode, > 250 to 500 MHz)45 rad
Maximum Phase Deviation (normal bandwidth mode, > 500 MHz to 1 GHz)90 rad
Maximum Phase Deviation (normal bandwidth mode, > 1 to 2 GHz)180 rad
Maximum Phase Deviation (normal bandwidth mode, > 2 to 4 GHz)360 rad
Maximum Phase Deviation (high bandwidth mode, <= 250 MHz)9 rad
Maximum Phase Deviation (high bandwidth mode, > 250 to 500 MHz)4.5 rad
Maximum Phase Deviation (high bandwidth mode, > 500 MHz to 1 GHz)9 rad
Maximum Phase Deviation (high bandwidth mode, > 1 to 2 GHz)18 rad
Maximum Phase Deviation (high bandwidth mode, > 2 to 4 GHz)36 rad

Option UNB Specs

ParameterValue
Option UNB Maximum Output Power (3 GHz to 4 GHz)+13 dBm
Attenuator Type (Standard)Electronic
Attenuator Type (Option UNB)Mechanical

Technology

Analog RF Signal Generator

Applications

Receiver test, component test, and local oscillator applications