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Discontinued 3499 Switch Family

Product support information for your discontinued and obsolete 3499 Switch Family

  • 3499A 5-Slot Switch/Control Mainframe [Discontinued] 3499A 5-Slot Switch/Control Mainframe [Discontinued] 

    3499A 5-Slot Switch/Control Mainframe [Discontinued]

    • Switch Mainframe with 5 module slots
    • Intuitive, self-guiding front panel interface
    • 2U rack height, full rack width
    • GPIB and RS-232 interfaces
    • Built-in digital I/O

  • 3499B 2-Slot Switch/Control Mainframe [Discontinued] 3499B 2-Slot Switch/Control Mainframe [Discontinued] 

    3499B 2-Slot Switch/Control Mainframe [Discontinued]

    When you need a small amount of switching in your test system, the 2-slot Keysight 3499B mainframe can be your ideal solution...

  • 3499C 9/14-Slot Switch/Control Mainframe [Discontinued] 3499C 9/14-Slot Switch/Control Mainframe [Discontinued] 

    3499C 9/14-Slot Switch/Control Mainframe [Discontinued]

    When you need a larger amount of switching in your test system or combined electronic and optical switching, the 9/14-slot Keysight 3499C mainframe will meet your needs...

  • 44470A 10-Channel Multiplexer Module [Discontinued] 44470A 10-Channel Multiplexer Module [Discontinued] 

    44470A 10-Channel Multiplexer Module [Discontinued]

    The Keysight 44470A provides 10 channels to switch both high and low input signals to a common bus.

  • 44470D 20-Channel Multiplexer Module [Discontinued] 44470D 20-Channel Multiplexer Module [Discontinued] 

    44470D 20-Channel Multiplexer Module [Discontinued]

    The Keysight 44470D provides 20 channels to switch both high and low input signals to a common bus.

  • 44471A 10-Channel General Purpose Relay Module [Discontinued] 44471A 10-Channel General Purpose Relay Module [Discontinued] 

    44471A 10-Channel General Purpose Relay Module [Discontinued]

    The Keysight 44471A can be used to control DUT power, to actuate external relay or to form an attenuator.

  • 44471D 20-Channel General Purpose Relay Module [Discontinued] 44471D 20-Channel General Purpose Relay Module [Discontinued] 

    44471D 20-Channel General Purpose Relay Module [Discontinued]

    The Keysight 44471D is a 20-channel 1-wire general purpose relay module.

  • 44472A Dual 1x4 VHF Multiplexer(300MHz, 50 Ohm) [Discontinued] 44472A Dual 1x4 VHF Multiplexer(300MHz, 50 Ohm) [Discontinued] 

    44472A Dual 1x4 VHF Multiplexer(300MHz, 50 Ohm) [Discontinued]

    The Keysight 44472A VHF module offers broadband switching capability for high frequency and pulse signals.

  • 44473A 4x4 Two-Wire Matrix Switch Module [Discontinued] 44473A 4x4 Two-Wire Matrix Switch Module [Discontinued] 

    44473A 4x4 Two-Wire Matrix Switch Module [Discontinued]

    The Keysight 44473A module brings highly flexible matrix switching to your test system.

  • 44474A 16-Bit Digital Input/Output Module [Discontinued] 44474A 16-Bit Digital Input/Output Module [Discontinued] 

    44474A 16-Bit Digital Input/Output Module [Discontinued]

    The Keysight 44474A provides 16 bi-directional data lines (bits) plus 4 lines used for control and handshaking.

  • 44475A BreadBoard Module [Obsolete] 44475A BreadBoard Module [Obsolete] 

    44475A BreadBoard Module [Obsolete]

    The Keysight 44475A provides a place for customer mounting circuits for special applications.

  • 44476A Microwave Multiplexer Module (Triple 1-to-2 18GHz) [Discontinued] 44476A Microwave Multiplexer Module (Triple 1-to-2 18GHz) [Discontinued] 

    44476A Microwave Multiplexer Module (Triple 1-to-2 18GHz) [Discontinued]

    The Keysight 44476A is a microwave switch module for the 3499 switch family. There are three independent SPDT 50 Ohm coaxial relays with excellent electrical performance from DC to 18GHz.

  • 44476B Microwave Relay Driver Module [Discontinued] 44476B Microwave Relay Driver Module [Discontinued] 

    44476B Microwave Relay Driver Module [Discontinued]

    The Keysight 44476B brings multi-port 50/75 ohm coaxial switching flexibility to your test system.

  • 44477A Form-C Relay Module [Obsolete] 44477A Form-C Relay Module [Obsolete] 

    44477A Form-C Relay Module [Obsolete]

    The Form-C Relay Module provides seven independent Form-C Single-Pole-Double-Throw relays for general purpose switching and control of external devices.

  • 44478A Dual 1x4 RF Multiplexer Module (1.3GHz, 50 Ohm) [Discontinued] 44478A Dual 1x4 RF Multiplexer Module (1.3GHz, 50 Ohm) [Discontinued] 

    44478A Dual 1x4 RF Multiplexer Module (1.3GHz, 50 Ohm) [Discontinued]

    The Keysight 44478A Multiplexer Module is an ideal choice for broadband switching of high frequency or fast pulse signals...

  • 44478B Dual 1x4 RF Multiplexer Module (1.3GHz, 75 Ohm) [Discontinued] 44478B Dual 1x4 RF Multiplexer Module (1.3GHz, 75 Ohm) [Discontinued] 

    44478B Dual 1x4 RF Multiplexer Module (1.3GHz, 75 Ohm) [Discontinued]

    The Keysight 44478B Multiplexer Module is an ideal choice for broadband switching of high frequency or fast pulse signals...

  • N2260A 2-Wire, 40-Channel Multiplexer Module [Discontinued] N2260A 2-Wire, 40-Channel Multiplexer Module [Discontinued] 

    N2260A 2-Wire, 40-Channel Multiplexer Module [Discontinued]

    The Keysight N2260A is high-density re-configurable multiplexer (MUX) module for general production test.

  • N2261A 40-Channel General Purpose Relay Module [Discontinued] N2261A 40-Channel General Purpose Relay Module [Discontinued] 

    N2261A 40-Channel General Purpose Relay Module [Discontinued]

    The Keysight N2261A provides 40 independent single-pole-single-throw (SPST) latching relays.

  • N2262A 4x8 Matrix Switch Module [Discontinued] N2262A 4x8 Matrix Switch Module [Discontinued] 

    N2262A 4x8 Matrix Switch Module [Discontinued]

    The Keysight N2262A contains 32 cross points organized in a 4-row by 8-column configuration.

  • N2263A 32-Bit Digital Input/Output Module [Discontinued] N2263A 32-Bit Digital Input/Output Module [Discontinued] 

    N2263A 32-Bit Digital Input/Output Module [Discontinued]

    The Keysight N2263A provides 32-bit bi-directional lines and three handshake and control lines.

  • N2264A Multifunction Module, 12 + 3 GP Relays [Discontinued] N2264A Multifunction Module, 12 + 3 GP Relays [Discontinued] 

    N2264A Multifunction Module, 12 + 3 GP Relays [Discontinued]

    The Keysight N2264A combines 12 general purpose relays, three high current relays, and a 16-bit digital input/output in one module.

  • N2265A Multifunction Module (4x4 Matrix) [Obsolete] N2265A Multifunction Module (4x4 Matrix) [Obsolete] 

    N2265A Multifunction Module (4x4 Matrix) [Obsolete]

    The Keysight N2265A combines a 4x4 two-wire matrix and 16 bits of digital I/O in one module.

  • N2266A 2-Wire, 40-Channel Multiplexer Module [Discontinued] N2266A 2-Wire, 40-Channel Multiplexer Module [Discontinued] 

    N2266A 2-Wire, 40-Channel Multiplexer Module [Discontinued]

    The Keysight N2266A is high speed, high-density reconfigurable multiplexer (MUX) module for high-throughput production test.

  • N2267A 8-Channel 8A General Purpose Module [Discontinued] N2267A 8-Channel 8A General Purpose Module [Discontinued] 

    N2267A 8-Channel 8A General Purpose Module [Discontinued]

    The Keysight N2267A is designed for high-current (up to 8 A continuous), low-resistance switching applications.

  • N2268A Dual 1x4 RF Multiplexer Module (3.0 GHz) [Discontinued] N2268A Dual 1x4 RF Multiplexer Module (3.0 GHz) [Discontinued] 

    N2268A Dual 1x4 RF Multiplexer Module (3.0 GHz) [Discontinued]

    The Keysight N2268A module has two 1x4 independent multiplexers with SMA connectors, delivering high performance, very low insertion loss, high isolation, and excellent VSWR performance.

  • N2270A 10-Channel 1000 V Multiplexer [Obsolete] N2270A 10-Channel 1000 V Multiplexer [Obsolete] 

    N2270A 10-Channel 1000 V Multiplexer [Obsolete]

    The Keysight N2270A 2-wire multiplexer can be used to source external voltage up to 1000 V from the common end to any of 10 DUTs, or to monitor voltage from different sources using a voltmeter.

  • N2272A 1 GHz 1x9 RF Multiplexer Module [Discontinued] N2272A 1 GHz 1x9 RF Multiplexer Module [Discontinued] 

    N2272A 1 GHz 1x9 RF Multiplexer Module [Discontinued]

    The Keysight N2272A RF high-density module provides a 1x9 multiplexer which can be widely used in RF test and measurement system.

  • N2276A 26.5 GHz Dual 1x6 Microwave Multiplexer [Discontinued] N2276A 26.5 GHz Dual 1x6 Microwave Multiplexer [Discontinued] 

    N2276A 26.5 GHz Dual 1x6 Microwave Multiplexer [Discontinued]

    The Keysight N2276A 3-slot module provides dual 1 x 6 microwave multiplexers, with excellent insertion loss, isolation and VSWR performance.

  • N2276B 20 GHz Multiplexer/Attenuator Driver [Obsolete] N2276B 20 GHz Multiplexer/Attenuator Driver [Obsolete] 

    N2276B 20 GHz Multiplexer/Attenuator Driver [Obsolete]

    The Keysight N2276B is a dual microwave multiplexer/attenuator driver, deleting the two microwave relays from N2276A.