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Keysight

N5166B

Keysight N5166B family
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Keysight N5166B is a CXG vector signal generator. Keysight N5166B has a maximum frequency of 6 GHz. Keysight N5166B has a maximum RF bandwidth of 120 MHz internal and 200 MHz external.[1]

KeysightN5166B
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  • Plate 01keysight CXG N5166B - 使用Signal Studio波形生成向量信號

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How it works

The N5166B supports CW operation and digital modulation modes. The N5166B provides step sweep and list sweep operating modes for frequency and amplitude sweeps. The N5166B specifies typical frequency switching speed of 5 ms in SCPI or list and step sweep mode for both CW and digital modulation modes. The N5166B has a frequency resolution of 0.001 Hz and phase offset adjustable in nominal 0.1 degree increments.[2][3]

The N5166B includes an internal reference output of 10 MHz and accepts an external reference input of 10 MHz as standard, with 1 MHz to 50 MHz support available through option 1ER. The N5166B provides USB, GPIB, and LAN interfaces for SCPI remote programming. The LAN interface is LXI Class C compliant and also supports access to the internal web server and FTP server.[2][3]

What do the numbers mean?

Power & electrical6

Phase noise at 1 GHz, 20 kHz offset
-119 dBc/Hz[1]
Accurate?
Max RF bandwidth
120 MHz / 200 MHz (internal / external)[1]
Accurate?
Product type
RF vector signal generator[2]
Accurate?
Frequency range
Option 503: 9 kHz (5 MHz IQ mode) to 3 GHz; Option 506: 9 kHz (5 MHz IQ mode) to 6 GHz[2]
Accurate?
Frequency resolution
0.001 Hz[2]
Accurate?
Maximum RF bandwidth
120 MHz / 200 MHz[1]
Accurate?

Configuration & options8

Product family type
CXG Vector[1]
Accurate?
Model number
N5166B[1]
Accurate?
Maximum frequency
6 GHz[1]
Accurate?
Maximum output power at 1 GHz
+18 dBm[1]
Accurate?
Frequency switching
5 ms[1]
Accurate?
Model
N5166B CXG[2]
Accurate?
Frequency switching speed
≤ 5 ms, typical[2]
Accurate?
Maximum output power
+18 dBm[1]
Accurate?
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Phase noise at 1 GHz, 20 kHz offset-119 dBc/Hz[1]
  • Max RF bandwidth120 MHz / 200 MHz (internal / external)[1]
  • Product typeRF vector signal generator[2]
  • Frequency rangeOption 503: 9 kHz (5 MHz IQ mode) to 3 GHz; Option 506: 9 kHz (5 MHz IQ mode) to 6 GHz[2]
  • Frequency resolution0.001 Hz[2]
  • Maximum RF bandwidth120 MHz / 200 MHz[1]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Frequently asked questions

What remote control interfaces does the N5166B provide?

The N5166B provides USB, GPIB, and LAN interfaces for SCPI remote programming. The LAN interface supports DHCP, sockets SCPI, VXI-11 SCPI, connection monitoring, dynamic hostname services, TCP keep alive, and LXI Class C compliance.[2]

Does the N5166B support external reference locking?

The N5166B accepts a 10 MHz external reference signal as standard. Option 1ER adds the capability to lock to frequencies from 1 MHz to 50 MHz.[2]

Not publicly documented

The following facts about the N5166B are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the N5166B are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the N5166B are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the N5166B are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the N5166B are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the N5166B is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (3)Every fact above is drawn from these public sources
  1. [1]assets.testequity.com — assets.testequity.comassets.testequity.com
  2. [2]transcat.com — transcat.comtranscat.com
  3. [3]https://assets-us-01.kc-usercontent.com/ecb176a6-5a2e-0000-8943-84491e5fc8d1/a053d1ae-3f26-4bd0-a7c8-73ffdfc4a08a/N5166B.pdf — assets-us-01.kc-usercontent.comassets-us-01.kc-usercontent.com
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Last updated Oct 17, 2026.

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