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E4400B

Keysight Technologies (Agilent HP)Signal

The Keysight (formerly Agilent / HP) E4400B is a 1 GHz ESG-A Series analog RF signal generator. It provides excellent frequency and level control along with versatile analog modulation capabilities, making it ideal for receiver and component testing in the RF range. This compiled datasheet presents comprehensive and highly precise specifications for the E4400B model.

RF and MicrowaveReceiver TestingSignal Generation

Specifications

Frequency

ParameterValue
Minimum Frequency250 kHz
Maximum Frequency1.0 GHz
Frequency Resolution0.01 Hz
Phase Offset Resolution0.1°

Output

ParameterValue
Maximum Output Power+13 dBm
Output Power Range-136 to +13 dBm
Phase Noise<-116 dBc/Hz (typically <-120 dBc/Hz) at 20 kHz offset with a 1 GHz carrier

Modulation

ParameterValue
ModulationAM, FM, Phase Modulation, and Pulse Modulation (standard)
Pulse Modulation Input Impedance50 Ω (nominal)

General

ParameterValue
Reference Oscillator10 MHz (standard or optional high-stability Option 1E5)
InterfacesGPIB (IEEE-488.2), RS-232
DisplayMonochrome backlit LCD

Physical

ParameterValue
Dimensions (W×H×D)426 mm x 133 mm x 432 mm
Weight12.7 kg
Connector Location OptionOption 1EM moves all front-panel connectors to the rear panel

Frequency Specifications

ParameterValue
Frequency Range250 kHz to 1000 MHz
Frequency Switching Speed< 45 ms
Internal Reference Frequency10 MHz
Reference Aging Rate (Option 1E5)< ±0.1 ppm/year (or < ±0.0005 ppm/day after 45 days)
Reference Temperature Stability (Option 1E5)< ±0.05 ppm (0 °C to 55 °C)
External Reference Input Frequency1, 2, 5, 10 MHz (± 10 ppm)
Reference Output Frequency10 MHz

Sweep Modes

ParameterValue
Operating ModesStep sweep (frequency, power, or both) and List sweep
Sweep RangeWithin instrument frequency and power limits

Amplitude Specifications

ParameterValue
Output Power Resolution0.02 dB
Level Accuracy±0.5 dB to ±0.9 dB
Output Impedance50 ohms

Spectral Purity

ParameterValue
Harmonics< -30 dBc (for carrier levels <= +4 dBm)
Non-Harmonic Spurious< -65 dBc (for carrier frequencies < 1000 MHz)
Sub-HarmonicsNone (< 1000 MHz)
SSB Phase Noise at 20 kHz Offset (500 MHz carrier)< -120 dBc/Hz
Residual AM (0.05 to 15 kHz BW)< 0.01% rms

Frequency Modulation (FM)

ParameterValue
FM Maximum Deviation (at 1 GHz)10 MHz
FM Resolution0.1% of deviation or 1 Hz, whichever is greater
FM Distortion< 1% (at 100 kHz deviation, 1 kHz rate)

Amplitude Modulation (AM)

ParameterValue
AM Maximum Depth100%
AM Resolution0.1%

Pulse Modulation

ParameterValue
Pulse Modulation On/Off Ratio> 80 dB

Internal Modulation Source

ParameterValue
Internal Source Frequency Range (Sine)0.1 Hz to 50 kHz
Internal Source Frequency Range (Ramp/Triangle/Square)0.1 Hz to 10 kHz
Internal Source Frequency Resolution0.1 Hz
LF Output Impedance50 ohms
LF Output Amplitude Range0 to 3 Vp-p into 50 ohms
LF Output Frequency Resolution0.1 Hz

Ports and Connectivity

ParameterValue
RF Output Connector TypeType-N female
Internal Modulation Output ConnectorBNC female
External Modulation Input ConnectorBNC female
Sweep Out ConnectorBNC female

Physical and Power

ParameterValue
Power Consumption< 200 W
Operating Temperature Range0 °C to 55 °C
Storage Temperature Range-40 °C to 71 °C
Rackmount Space Requirement3U (Standard 19-inch rack)

Reference Oscillator

ParameterValue
External Reference Input Impedance50 Ω (nominal)
Reference Output Impedance50 Ω (nominal)

Power

ParameterValue
AC Input Voltage90 to 254 V

Technology

Analog RF Signal Generation

Applications

RF Receiver Test, Component Test, Local Oscillator Emulation