Authorized Tektronix Distributor

We Buy, Sell, Rent and Trade quality test & measurement instruments.

Instrument Repair
Repair services for test & measurement instruments.

Instrument Calibration
Calibration services for test & measurement instruments.
HP - Agilent - Keysight E8257D PSG Analog Signal Generator, Freq Range Option Dependent

HP - Agilent - Keysight E8257D PSG Analog Signal Generator, Freq Range Option Dependent

Output Power @1 GHz -135 dBm to +21 dBm
Phase Noise @1 GHz (20 kHz offset) -143 dBc/Hz
Frequency Switching < 7 ms
Harmonics @1 GHz ≤ -55 dBc
IQ Modulation BW Internal/External n/a
Non-Harmonics @1 GHz ≤ -80 dBc
Sweep Mode
  • List
  • Step
  • Ramp
Baseband Generator Mode n/a
Software-General Purpose
  • AM, FM, PM
  • Pulse
Software-Cellular/Wireless Connectivity n/a
Software-Audio/Video Broadcasting n/a
Software-Detection/Positioning/Tracking/Navigation n/a
Waveform Playback Memory n/a
Frequency Modulation-Maximum Deviation @1 GHz 2 MHz
Frequency Modulation-Rate @100 kHz Deviation DC to 10 MHz
Phase Modulation-Maximum Deviation in Normal Mode 10 rad to 1280 rad
Phase Modulation-Maximum Deviation in High-BW Mode 1 rad to 128 rad
Amplitude Modulation-Maximum Depth 90%
Amplitude Modulation-Rate

0 to 100 kHz

Applications Available  Yes
Analog  Yes


1E1 Step attenuator
540 250 kHz to 40 GHz
1EM Moves all front panel connectors to the rear panel
1CM Rackmount flange kit
1EA High RF output power
520 250 kHz to 20 GHz
1ED Type-N (f) RF output connector
007 Analog ramp sweep
UNX Ultra-low phase noise performance
UNW Narrow pulse modulation (Not for export with Option 540, 550, or 567)
008 Removable flash memory
0BW Printed Copy of the Assembly-Level Service Guide
1CN Front handle kit
1CP Rackmount flange with front handle kit
010 Step attenuator
1EH Improved harmonics below 2 GHz
1EU High output power
1SM Scan modulation
521 ltrahigh output power, frequency range from 10 MHz to 20 GHz
532 Frequency range from 250 kHz to 31.8 GHz
550 Frequency range from 250 kHz to 50 GHz
567 Frequency range from 250 kHz to 67 GHz
UNT AM, FM, phase modulation, and LF output
UNU Pulse modulation
UNY Enhanced ultra low phase noise (Not for export)
UNR Enhanced Phase Noise Performance
H30 RF Upconverter
HA1 Enhanced Phase Noise Specifications
Model E8257D
PDF Page


Image Model ID Condition options Price
E8257D 415795373 Used 1E1, 1EA, 532, UNT, UNU $34,950.00
E8257D 415566067 Used 1E1, 540, 1EA, 007, UNT, UNU, H30 $45,000.00
E8257D 415591484 Used 540, 1EA, 007, UNT $37,500.00

Related Items

E8251-00013 (HP - Agilent - Keysight)

Rear Panel

E4423-60018 (HP - Agilent - Keysight)

TBR Reference Board E8257

E8251-60348(E8251-60648) (HP - Agilent - Keysight)

HP/Agilent E8251-60348 Ref Board

E8251-60625 (HP - Agilent - Keysight)

Oscillator Assembly - UNP