Keysight E8257D/007/520/1E1/1EH/1EU/UNT/UNW/UNX Analog Signal Generator, PSG Series

Keysight E8257D/007/520/1E1/1EH/1EU/UNT/UNW/UNX PSG Microwave Analog Signal Generator

Keysight meets demanding test requirements with metrology-grade frequency and amplitude accuracy, low distortion, and excellent spurious performance with its PSG series. Built on the proven PSG platform within the pro XG7-class tier lies the solution to deliver exceptional measurement precision and versatility – the E8257D.

At its core is the E8257D PSG Analog Signal Generator (ASG), a fully synthesized source that combines high output power, low phase noise, and advanced modulation capabilities. It offers industry-leading output power, level accuracy, and phase noise performance, with frequency coverage from 250 kHz to 20 GHz, making it ideal for testing advanced RF, microwave, and radar systems. The E8257D is also compatible with Keysight software and automation tools, helping streamline test development and improve workflow efficiency.

NOTE: Images for representation only. Instruments may vary based on configurations.

Configurations Included

• 007 - Analog ramp sweep

• 520 - 250 kHz to 20 GHz frequency range

• 1E1 - Step attenuator

• 1EH - Improves harmonic performance for carrier frequencies < 2 GHz

• 1EU - Generates high power signals

• UNT - AM, FM, Phase modulation, and LF output

• UNW - Generates pulse modulated signals (20 ns minimum pulse width)

• UNX - Ultra-low phase noise frequency offset range of 1 Hz to 10 kHz

Specifications

• Harmonics @ 1 GHz: -55 dBc

• Output power @1 GHz: 21 dBm

• Phase noise @1 GHz (20 kHz offset): -143 dBc/Hz

• Frequency switching speed: 11000 µs

• Number of outputs: 1

Key Facts

• A source module interface that is compatible with Keysight 83550 Series millimeter–wave source modules for frequency extension up to 110 GHz and Oleson Microwave Labs (OML) AG-Series millimeter-wave modules for frequency extensions up to 325 GHz

• Automatic leveling control (ALC) on and off modes; power calibration in ALC–off mode is available, even without power search

• CW output from 250 kHz to the highest operating frequency, depending on the option

• External diode detector leveling

• Frequency resolution to 0.001 Hz

• Get low phase noise to address Doppler radar, ADC and receiver-blocking tests

• Test high-power devices and overcome test system losses with options capable of generating up to 1 W (+30 dBm) of output power

• List and step sweep of frequency and amplitude, with multiple trigger sources

• Optimized signal to noise ratio

• 10 MHz reference oscillator with external output

• RS-232, GPIB, and 10Base-T LAN I/O interfaces

• User flatness correction

• Characterize devices and circuits by adding AM, FM, PM and pulse modulation to your signal

• Optimized for radar, satellite, wireless communications, and component characterization applications

What's in the Box

• E8257D/007/520/1E1/1EH/1EU/UNT/UNW/UNX analog signal generator

• Standard connector

• Standard front and rear panel connector configuration

• Standard adapter set

FAQ

1. What is the meaning of a Keysight XG7-Class instrument designation?
   Instruments carrying the XG7-class designation are designed for metrology-grade accuracy and ultra-low phase noise. They cater to research and calibration applications, such as wireless, advanced aerospace/defense radar, and satellite communications.

2. What is the operating system in the PSG E8257D?
   It runs on pSOS, a real-time operating system (RTOS), rather than Windows. However, it supports standard web and LAN connections via its built-in architecture.