Y1155a switch options supported – Agilent Technologies L4400 User Manual
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L4400 User’s Guide
7
L4445A Microwave Switch/Attenuator Driver
Y1155A Switch Options Supported
Recommended options are shaded.
Option Name
Option
Number
Description and Comments
Frequency Range
Various
All options supported
Coil Voltage
011
+5VDC
+5VDC
Highest coil current requirement of all coil voltage
options. May limit system speed because current
capacity limitations. 34945EXT limits total switch
current to 2A; opt 011 coils draw 400 mA. Therefore,
a maximum of 5 devices may be switched
simultaneously.
015
+15VDC
024
+24VDC (required if using internal power)
DC Connector
Type
STD
solder lugs
RF Performance
various
All options supported
Drive Options
STD
Direct coil connections for open collector drive
T24
TTL/5V CMOS compatible inputs with +24VDC
coils (Note: position indicators do not function; wiring
pattern differs from direct drive)
T15
TTL/5V CMOS compatible inputs with +15VDC
coils (Note: position indicators do not function; wiring
pattern differs from direct drive)