The Keysight (formerly Agilent / HP) E4430B is a 1 GHz ESG-D Series digital RF vector signal generator. Designed for research and development, manufacturing, and troubleshooting, it offers comprehensive digital modulation formats, versatile analog modulation, and robust spectral purity. With options for a dual arbitrary waveform generator and real-time I/Q baseband generator, the E4430B delivers highly accurate, flexible, and reliable signals for testing modern communication systems.

Specifications

Frequency

ParameterValue
Minimum Frequency250 kHz
Maximum Frequency1 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, Pulse Modulation, Digital I/Q (Custom digital modulation >15 variations of FSK, MSK, PSK, and QAM)
Sweep ModesStep, List (frequency and power)

General

ParameterValue
Reference Oscillator10 MHz (standard or Option 1E5 high-stability oven timebase)
InterfacesGPIB, RS-232
DisplayLCD with backlight

Physical

ParameterValue
Power Supply90 to 254 VAC, 47 to 63 Hz (and 400 Hz at 120 V), < 200 W
Dimensions (W×H×D)426 mm W x 133 mm H x 432 mm D
Rack Height3U

Frequency Specifications

ParameterValue
Frequency Range250 kHz to 1 GHz
Reference Output Frequency10 MHz
External Reference Input Frequency1, 2, 5, 10 MHz

Output Power and Level

ParameterValue
Level Resolution0.02 dB
Reverse Power Protection (at 1 GHz)50 W (from a 50 ohm source)
Maximum DC Voltage50 VDC
Output Impedance50 ohms
Attenuator TypeElectronic (standard)

Spectral Purity

ParameterValue
Harmonics (for levels <= +4 dBm)<-30 dBc

Analog Modulation

ParameterValue
AM Depth Range0 to 100%

Vector and Digital Modulation

ParameterValue
Arb Generator Sampling Rate40 MHz (with Option UND)
Arb Generator DAC Resolution14-bit

Internal Modulation Source

ParameterValue
Modulation Frequency Range (Sine)0.1 Hz to 50 kHz
Modulation Frequency Resolution0.1 Hz

Interfaces and Connectivity

ParameterValue
RF Output Connector TypeType-N female
GPIB InterfaceIEEE-488.2
I/Q Input ConnectorsBNC female (front panel)

Physical and Environmental

ParameterValue
Operating Temperature Range0 to 55 °C
Storage Temperature Range-40 to 71 °C
Line Voltage90 to 254 VAC
Power Consumption< 200 W

Options and Hardware Configurations

ParameterValue
High-Stability Oven Timebase OptionOption 1E5
Pulse Modulation OptionOption 1E6
Dual Arbitrary Waveform Generator OptionOption UND
Real-Time I/Q Baseband Generator OptionOption UN8

Sweep

ParameterValue
Sweep Points Range2 to 401

Reference Oscillator

ParameterValue
Standard Timebase Aging Rate< ±1 ppm/year
Standard Timebase Temperature Stability< ±1 ppm (0 °C to 55 °C)
Option 1E5 Timebase Aging Rate< ±0.1 ppm/year or < ±0.0005 ppm/day (after 45 days)
Option 1E5 Timebase Temperature Stability< ±0.05 ppm (0 °C to +55 °C)

Technology

RF Vector Signal Generator

Applications

Research & development, wireless communications testing, receiver troubleshooting, and manufacturing test.