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Y1171A Datasheet, PDF (12/19 Pages) Keysight Technologies – RF Switch Platform
12 | Keysight | L4490A/91A RF Switch Platform – Data Sheet
Table 1. Ordering information
L4490A
OPT 004
L4491A
OPT 001
OPT 002
OPT 004
OPT 005
OPT 006
Accessories
Y1150A
Y1151A
Y1152A
Y1153A
Y1154A
Y1155A
Y1156A
Y1170A
Y1171A
Y1172A
Y1173A
Y1174A
Y1175A
Description
Comments
2U RF switch platform
Includes switch driver and space to mount RF components. Comes
standard with LAN and GPIB interface. User's guide is included on CD
Add 16 bit digital IO and 28 bits of relay drive lines
Recommended for DIO control
4U RF switch platform
Includes switch driver and space to mount RF components. Comes
standard with LAN and GPIB interface. User's guide is included on CD
Front panel with holes to mount up to 8 Keysight 87xxx or
L7xxx style multiport switches
Replaces STD blank front panel with a front panel with holes for mount-
ing multiport switches
Add 64 additional switch drive lines with additional
34945EXT
Required if you have more than 4 distribution boards
Add 16 bit digital IO and 28 bits of relay drive lines
Recommended for DIO control
Standard 4U unit with center tray for mounting switches Recommended for RF switch mounting configurations
4U unit with bottom mounting tray (pre-drilled bottom for Replaces center tray mounting option 005 with no center tray and
mounting switches and no center switch tray)
mounting holes on botton of the unit
Distribution boards -
Required for control of external switches. See Table 2 to determine correct distribution boards needed.
Distribution board for 8 N181x/U9397x SPDT switches
Distribution board for two 87104x/106x/L7x0xx multiport
or 87406B matrix switches
Distribution board for one 87204x/206x or 87606B switch
and two N181x switches
Distribution board for two 84904/5/6/7/8 or 8494/5/6
step attenuators
Distribution board for two 87222/L7222C transfer switches
and six N181x SPDT switches
Distribution board with generic screw terminals for driving
16 switch coils
Diagnostics board to verify switch control signals
Recommended for troubleshooting purposes
Mounting kits: Includes brackets, screws, and ribbon cables where approrpiate
Mounting brackets and ribbon cables for mounting qty 5
N181x or 8762/3/4 Series switches in the L4491A
Can mount 12 SPDT switches per bay (up to 48 SPDT witches in switch
tray). Ribbon cables only support N1810 series switches
Mounting brackets and ribbon cables for mounting qty 5
N181x or 8762/3/4 Series switches in the L4490A
Can mount up to 8 SPDT switches. Ribbon cables only support N1810
series switches
Mounting brackets and ribbon cables for mounting
qty 5 87xxx or L7xxx multiport/matrix switches in the
L4490A/91A
Can mount 4 multiport/matrix switches per bay in the L4491A (up to 16
total) and up to 8 multiports in the L4490A
Mounting brackets and ribbon cables for mounting qty
6 87222 series transfer switches in the L4490A/91A (3
brackets and 6 cables)
Can mount up to 12 transfer switches per bay in the L4491A.
Recommend right angle RF cable when used in the L4490A due to height
restrictions
Mounting brackets and ribbon cables for mounting qty 5
849xx Series step attenuators in the L4490A/91A
Can mount up to 4 attenuators per bay in the L4491A
Mounting brackets for mounting qty 5 849x series
attenuators or 876x Series switches in the L4490/91A
Can mount up to 4 attenuators per bay in the L4491A.
NO ribbon cables included.