1
PA-910 Rev. B / 12-05
S46 Microwave Switch System
High Performance Relay Installation Guide
Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
(440) 248-0400
www.keithley.com
Introduction
This guide contains information on S46 relay installation and system configuration that is necessary after
installing new relays. To install a relay, refer to
“Relay kits” on page 1
for a description of the kits and then
follow the applicable installation instructions.
WARNING:
The information in this section is only intended for qualified service
personnel. Do not attempt to replace parts or otherwise service the
equipment unless you are qualified to do so.
Relay kits
Table 1
summarizes available relay kits and part numbers.
WARNING:
Use only the parts specified in
Table 1
of this guide when servicing the
equipment. Use of improper parts may expose the operator to hazard-
ous voltages that could result in personal injury or death.
Table 1
S46 relay kits
Relay kit
model number
(Description)
Relay
location
Kit parts summary
(Quantity)
Keithley part
number
Installation reference
S46-SPDT-KIT-R
(18GHz SPDT)
1 to 8
4-40 ×5/8 PPH screws (2)
4-40X5/8PPH
“18, 26.5, and 40GHZ Relay 1-8
installation” on page 2
SPDT relay (1)
S40-0154
SPDT bracket (1)
SYS46-314A
Connecting cable (1)
SYS46-311C
S46-SP4T-KIT-R
(18GHz SP4T)
A to D
4-40 ×1/4 PPHSEM screws (2) 4-40X1/4PPHSEM
“18GHz, 26.5 and 40GHz Relay
A-D installation” on page 3
SP4T relay (1)
RL-282-2
Ribbon cable (1)
CA-286-1B
S46-SP6T-KIT-R
(18GHz SP6T)
A to D
4-40 ×1/4 PPHSEM screws (2) 4-40X1/4PPHSEM
“18GHz, 26.5 and 40GHz Relay
A-D installation” on page 3
SP6T relay (1)
RL-282-1
Ribbon cable (1)
CA-286-1B
S46-SPDT-KIT-26
(26.5GHz SPDT)
1 to 8
4-40 ×5/8 PPH screws (2)
4-40X5/8PPH
“18, 26.5, and 40GHZ Relay 1-8
installation” on page 2
SPDT relay (1)
RL-308
SPDT bracket (1)
SYS46-314A
Connecting cable (1)
SYS46-311C
S46-SP4T-KIT-26
(26.5GHz SP4T)
A to D
SP4T relay (1)
RL-312
“18GHz, 26.5 and 40GHz Relay
A-D installation” on page 3
Ribbon cable (1)
S46-U100-350A
S46-SP6T-KIT-26
(26.5GHz SP6T)
A to D
SP6T relay (1)
RL-309
“18GHz, 26.5 and 40GHz Relay
A-D installation” on page 3
Ribbon cable (1)
S46-U100-350A
