The Keysight Agilent E4425B is a high-performance analog RF signal generator belonging to the ESG-AP series, offering outstanding phase noise and level accuracy across its frequency range of 250 kHz to 3 GHz. Designed to meet the demanding requirements of today's receiver test, component test, and local oscillator applications, the E4425B provides comprehensive analog modulation capabilities, including AM, FM, phase modulation, and pulse modulation, alongside a built-in function generator and highly stable ovenized reference oscillator as standard.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232 |
| Display | Backlit LCD |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to 55 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 250 kHz to 3.0 GHz |
| Frequency Resolution | 0.01 Hz |
Frequency Reference
| Parameter | Value |
|---|---|
| Internal Reference Oscillator Aging Rate | < ±0.1 ppm/year |
| Internal Reference Oscillator Temperature Stability | < ±0.05 ppm (0 to 55 °C) |
| Internal Reference Oscillator Line Voltage Influence | < ±0.002 ppm for ±10% change |
| External Reference Input Frequency | 1, 2, 5, 10 MHz |
| Reference Output Frequency | 10 MHz |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Maximum Output Power (250 kHz to 1.0 GHz) | +13 dBm |
| Maximum Output Power (1.0 to 3.0 GHz) | +10 dBm |
| Minimum Output Power | -136 dBm |
| Amplitude Resolution | 0.02 dB |
| Level Accuracy (250 kHz to 2.0 GHz, levels > -127 dBm) | ±0.5 dB |
| Level Accuracy (2.0 to 3.0 GHz, levels > -127 dBm) | ±0.9 dB |
| Output Impedance | 50 ohms |
| Maximum Reverse Power Protection (DC Voltage) | 50 Vdc |
| Maximum Reverse Power Protection (RF Power, < 2 GHz) | 50 W |
| Maximum Reverse Power Protection (RF Power, 2 to 3 GHz) | 25 W |
Spectral Purity
| Parameter | Value |
|---|---|
| SSB Phase Noise at 500 MHz (20 kHz offset) | <-134 dBc/Hz |
| SSB Phase Noise at 1 GHz (20 kHz offset) | <-130 dBc/Hz |
| SSB Phase Noise at 2 GHz (20 kHz offset) | <-124 dBc/Hz |
| SSB Phase Noise at 3 GHz (20 kHz offset) | <-121 dBc/Hz |
| Harmonics (at Specified Level < +10 dBm) | <-30 dBc |
| Non-Harmonic Spurious (offsets > 10 kHz, < 1 GHz) | <-80 dBc |
| Non-Harmonic Spurious (offsets > 10 kHz, 1 to 2 GHz) | <-74 dBc |
| Non-Harmonic Spurious (offsets > 10 kHz, 2 to 3 GHz) | <-68 dBc |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Output Connector | Type-N female, 50 ohms |
Physical & Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +71 °C |
System Features
| Parameter | Value |
|---|---|
| Programming Language | SCPI (Standard Commands for Programmable Instruments) |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 4,570 m (15,000 ft) |
| Storage Altitude | Up to 15,240 m (50,000 ft) |
Power Requirements
| Parameter | Value |
|---|---|
| AC Input Voltage | 90 to 254 VAC |
Options
| Parameter | Value |
|---|---|
| Option 1EM | Rear panel RF output and all other front panel connectors moved to rear panel |
Technology
Analog RF Signal Generation
Applications
Receiver test, component test, local oscillator emulation