2 Chapter 1
Signal Generator Overview
Signal Generator Models and Features
E8257D PSG Analog Signal Generator Features
The E8257D PSG includes the following standard features:
• a source module interface that is compatible with Agilent 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
• 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
• attenuator burnout protection (with Option 521 instruments that have Option 1E1)
The E8257D PSG also offers the following optional features:
NOTE To provide analog frequency sweeps and for optimum swept scalar measurements with the
8757D scalar analyzer, the E8257D requires 007 (analog ramp sweep).
Option 007—analog ramp sweep
Option 008
1
—8 GB removable compact flash drive
Option 521—ultra high output power, frequency range from 0.1-20 GHz
Option 1E1—step attenuator
Option 1EA (Discontinued)—high output power
Option 1ED—Type–N female RF output connector
Option 1EH —improved harmonics below 2 GHz
Option 1EU—high output power (standard with E8267D)
Option 1EM—moves all front panel connectors to the rear panel
Option 1SM—provides improved performance in Exponential (Log) AM mode
Option UK6—commercial calibration certificate and test data
Option UNR (Discontinued)—enhanced phase noise performance
1. Instruments with serial prefix ≥ US4928/SG4928/MY4928.
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