Manufacturer Logo
Keysight (Agilent)

Keysight (Agilent) E4438C

250 kHz - 6GHz Signal Generator
0.01 Hz Frequency Resolution
< -30 dBc (typ.) Harmonics
< 9 ms (spec.) Switching Speed
GPIB, LAN, RS-232 Interfaces
426 × 133 × 432 mm Dimensions
Request datasheet
Attribute Value
Frequency Resolution 0.01 Hz
Harmonics < -30 dBc (typ.)
Switching Speed < 9 ms (spec.)
Interfaces GPIB, LAN, RS-232
Dimensions 426 × 133 × 432 mm
Frequency Range 250 kHz to 1, 2, 3, 4 or 6 GHz
Output Power -136 to +13 dBm at 1 GHz (typ.)
SSB Phase Noise -118 dBc/Hz at 1 GHz, 20 kHz offset (typ.)
Modulation AM, FM, ΦM, pulse, I/Q, wideband AM, AWGN
Level Accuracy ±0.5 dB to 2 GHz, ±0.7 dB to 4 GHz, ±0.8 dB to 6 GHz (spec.)
Modulation Bandwidth 100 MSa/s internal arbitrary, 8 MSa or 64 MSa (depending on configuration)
Sweep Modes step sweep, list mode, power sweep
RF Output Connector Type-N female, front panel
Weight < 16 kg

Available configurations

ModelFrequency rangeConfiguration
E4438C-501250 kHz to 1 GHzVector signal generator
E4438C-502250 kHz to 2 GHzVector signal generator
E4438C-503250 kHz to 3 GHzVector signal generator
E4438C-504250 kHz to 4 GHzVector signal generator
E4438C-506250 kHz to 6 GHzVector signal generator
Keysight Technologies E4438C Options:
  • E4438C - 501 - Frequency range 250 kHz to 1 GHz
  • E4438C - 502 - Frequency range 250 kHz to 2 GHz
  • E4438C - 503 - Frequency range 250 kHz to 3 GHz
  • E4438C - 504 - Frequency range 250 kHz to 4 GHz
  • E4438C - 506 - Frequency range 250 kHz to 6 GHz
  • E4438C - 001 - Internal baseband generator (8 Msamples memory)
  • E4438C - 002 - Internal baseband generator (32 Msamples memory)
  • E4438C - 005 - 6 Gbyte non-volatile waveform storage
  • E4438C - UNB - High output power with mechanical attenuator
  • E4438C - UNJ - Enhanced phase noise performance
  • E4438C - 1E5 - High-stability time base
  • E4438C - UN7 - Internal bit-error-rate analyzer
  • E4438C - 300 - GSM/EDGE basestation loopback BER test capability
  • E4438C - 1EM - Move all front panel connectors to rear
  • E4438C - 400 - 3GPP W-CDMA (FDD) signal generation firmware personality
  • E4438C - 401 - cdma2000 and IS-95-A signal generation firmware personality
  • E4438C - 402 - TDMA (GSM/EDGE/NADC/PDC/PHS/TETRA/DECT) signal generation firmware personality
  • E4438C - 403 - Calibrated noise signal generation firmware personality
  • E4438C - 409 - GPS signal generation firmware personality
  • E4438C - 404 - 1xEV-DO Signal Studio software personality
  • E4438C - 405 - 802.11b WLAN Signal Studio software personality
  • E4438C - 406 - Bluetooth Signal Studio software personality
  • E4438C - 408 - Enhanced multitone Signal Studio software personality
  • E4438C - 410 - 802.11a WLAN Signal Studio software personality
  • E4438C - 411 - TD-SCDMA (TSM) Signal Studio software personality
Calibration Form Keysight (Agilent) E4438C

Repair Form Keysight (Agilent) E4438C
Maximum file size: 40MB

The Keysight (Agilent) E4438C ESG Vector Signal Generator offers high-performance RF signal generation with advanced baseband capabilities, ideal for complex wireless testing. Covering frequencies from 250 kHz to 6 GHz with 0.01 Hz resolution, it supports +17 dBm output power and a 160 MHz RF modulation bandwidth. This flexible platform includes an internal baseband generator with 80 MHz bandwidth, real-time I/Q, and 64 MSa playback memory. It supports a wide range of modulations—AM, FM, ØM, pulse, ASK, FSK, PSK, QAM—and signal formats such as GSM, WLAN, W-CDMA, and DVB. Equipped with 10BaseT LAN, GPIB, SCPI, and IVI-COM drivers, it's fully programmable and backward-compatible. Testwall can supply the used Keysight (Agilent) E4438C, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) E4438C.

Options and configurations

  • Frequency Range: 250 kHz to 1, 2, 3, 4 or 6 GHz (Opt. 501/502/503/504/506)
  • Output Power: -136 to +13 dBm (+17 dBm with Opt. UNB) at 1 GHz (typ.)
  • SSB Phase Noise: -118 dBc/Hz at 1 GHz, 20 kHz offset (typ.); < -130 dBc/Hz with Opt. UNJ (-134 dBc/Hz typ.)
  • Modulation Bandwidth: 100 MSa/s internal arbitrary, 8 MSa (Opt. 601) or 64 MSa (Opt. 602)
  • Timebase Aging: < ±1 ppm per year standard, < ±0.1 ppm per year with Opt. 1E5 or UNJ
  • RF Output Connector: Type-N female, front panel (rear panel with Opt. 1EM)
Clicky
Copyright © 2025-present Magento, Inc. All rights reserved.