E8257D - Agilent / HP Signal Generators

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Technical Specifications

Frequency Range Max.

Freq. Resolution

Output Power
typical performance of +23 dBm @ 20 GHz, + 17dBm @ 40 GHz, + 14 dBm @ 67 GHz with excellent level accuracy

typical performance of +23 dBm @ 20 GHz, + 17dBm @ 40 GHz, + 14 dBm @ 67 GHz with excellent level accuracy

Extra Specifications
PSG Analog Signal Generator

Product Description

The E8257D PSG analog signal generator delivers industry-leading output power, level accuracy, and phase noise performance up to 67 GHz (operational to 70 GHz). The E8257D PSG high output power and superior level accuracy often eliminates the need of an external amplifier for testing high power devices and minimizes test uncertainty to identify errors early in the design process. The world-class phase noise performance is ideal for local oscillator, low jitter clock substitution and adjacent channel selectivity tests. When testing advanced RF & microwave radar, communications, and control systems, the PSG delivers the performance you demand.

Now you have more options In addition to the standard E8257D PSG continuous wave (CW) generation, optionally add analog and/or pulse modulation to accurately characterize RF and microwave components and devices. These optional modulation types allow you to minimize your initial purchase price and stay well within your current budget constraints.

Customize the PSG to meet your needs Tailor the PSG for the RF and microwave test applications of today while easily upgrading in the future as requirements change. Choose from a variety of optional enhancements to configure the E8257D PSG for applications ranging from LO substitution and distortion test to radar test and interference signal generation.

Price shown is for typically configured model.

  • Broad frequency ranges - 250 kHz to 20, 40, 50 or 67 GHz (operational to 70 GHz) with .001 Hz resolution
  • High output power - typical performance of +23 dBm @ 20 GHz, + 17dBm @ 40 GHz, + 14 dBm @ 67 GHz with excellent level accuracy
  • World-class SSB phase noise - typical performance of -115 dBc/Hz at 10 kHz offset from 10 GHz carrier
  • Flexible analog modulation formats - AM, FM, ØM, and pulse
  •  Dual internal function generators - sine, square, triangular, ramp, and noise waveforms
  •  Easy frequency extension - up to 325 GHz with Oleson Microwave Labs (OML) mm-wave modules
  • Narrow pulse modulation - typical 8 ns rise/fall times and 20 ns pulse width from 10 MHz to 67 GHz
  • Multiple high rate sweep modes - digital step/list sweep and analog ramp sweep featuring code compatibility with the Agilent 8757D scalar network analyzer
  • External control using PSA Series spectrum analyzer – scalar network analysis capability when combined with any PSA with external source control option.
  • Backwards compatible - same form factor and 100% code compatible with previous generations of PSG signal generators
Options for E8257D:
E8257D-513 Frequency range from 250 kHz to 13 GHz
E8257D-520 Frequency range from 250 kHz to 20 GHz
E8257D-521 Ultrahigh output power, frequency range from 10 MHz to 20 GHz
E8257D-532 Frequency range from 250 kHz to 31.8 GHz
E8257D-540 Frequency range from 250 kHz to 40 GHz
E8257D-550 Frequency range from 250 kHz to 50 GHz
E8257D-567 Frequency range from 250 kHz to 67 GHz
E8257D-1ED Type-N (f) RF output connector
E8257D-UNC Standard connector, 3.5 mm
E8257D-UND Standard connector, 2.4 mm
E8257D-UNE Standard connector, 1.85 mm
E8257D-1EM Moves all front panel connectors to the rear panel
E8257D-UNM Standard front and rear panel connector configuration
E8257D-1EU High output power
E8257D-UN5 Standard output power
E8257D-1E1 Step attenuator
E8257D-UNN No step attenuator
E8257D-HY2 Enhanced ultra low phase noise level 2
E8257D-UNP Standard spectral purity
E8257D-UNX Ultra-low phase noise
E8257D-UNY Enhanced ultra low phase noise
E8257D-1SM Scan modulation
E8257D-UNG No AM, FM, and phase modulation
E8257D-UNT AM, FM, phase modulation, and LF output
E8257D-HNS Narrow pulse modulation to 31.8 GHz
E8257D-UNF No pulse modulation
E8257D-UNU Pulse modulation
E8257D-UNW Narrow pulse modulation
E8257D-007 Analog ramp sweep
E8257D-008 Removable flash memory
E8257D-1EH Improved harmonics below 2 GHz
E8257D-C09 Moves all connectors to rear panel except for RF output
E8257D-H10 Replaces 1 GHz External Reference Output with 100 MHz External Reference Output
E8257D-H1K Frequency extension 100 kHz (Requires Frequency Range Option)
E8257D-H1S Provides 1 GHz in and out on rear panel to improve Phase Noise performance
E8257D-H5K Provides inverted EXT1 input with 5000-ohm input impedance instead of 600 ohms
E8257D-HCC Provides 250MHz - 10GHz In and Out on the rear panel
E8257D-HG Provides Gigatronics GT8003 scalar analyzer compatibility
E8257D-HL1 LF Out switched to RF ouput connector