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154 L4400 User’s Guide
7 Microwave Switch/Attenuator Driver
This command uses special channel addressing as described in “Remote
Module Identifiers” on page 145.
This command requires the channel drive source be in order to allow
execution (
ROUTe:RMODule:DRIVe:SOURce OFF).
Distribution Boards
Each 34945EXT remote module can hold up to four distribution boards.
Distribution boards are designed to support the most common types of Agilent
microwave switches and attenuators. The table below shows the distribution
boards available and lists the supported switches and attenuators.
Specific information for each distribution board and the supported switch
types is given in the following sections.
Distribution boards are specialized terminal boards and hold no active
electronic components. The distribution boards can be identified by the system
(refer to the
SYSTem:CTYPe:RMODule? and SYSTem:CDEScription:RMODule?
commands description in the Programmers Reference Help file).
Channel drive attributes for each distribution board will be set to the values
shown on page 153.
ROUT:RMOD:BANK:LED:LEV 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A
ROUT:CHAN:DRIV:CLOS:DEF OFF OFF (except
channel 7, 17)
ON OFF OFF OFF
ROUT:CHAN:DRIV:OPEN:DEF ON ON (except
channel 7, 17)
OFF ON ON ON
Y1150A Distribution board for up to eight N181x SPDT switches
(9-pin Dsub connectors)
Y1151A Distribution board for two 87104x/106x multiport or
87406B matrix switches
Y1152A Distribution board for a single 87204x/206x or
87606B switches and two N181x SPDTswitches
Y1153A Distribution board for two 84904/5/8x or
8494/5/6 step attenuators
Y1154A Distribution board for two 87222 transfer switches and
up to six N181x SPDT switches
Y1155A Distribution board with screw terminals for up to 16 switch drives