Keithley S46, Instruction Manual

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2-4 Document number: S46-901-01 Rev. F / March 2011
Section 2: Connections S46/S46T/S46L Microwave Switch System Instruction Manual
Figure 2-3
Simplified schematic
Connections
Signal connections
RF input and output connections are made either to the RELAY 1 through RELAY 8 connectors, or
to the RELAY A through RELAY D connectors, as described below.
Unterminated SP4T, SP6T, XFER (26.5 GHz), and unterminated 40 GHz relays have female SMA
2.9 connectors. All others have female SMA connectors.
RELAY A to RELAY D
4-pole or 6-pole
RELAY 1 to RELAY 8
2-pole
Normally
Closed
Normally
Open
Common
Connection
RELAY A to RELAY D
MSPDT switch
RELAY A to RELAY D
XFER switch
Normally
Closed
Normally
Open
Common
Connection
Normally
Closed
Normally
Open
Common
Connection
Top
Relay
Bottom
Relay
Input
Connections
2
3
4
5
6
1
Common
Connection
Input
Connections
2
1
(–)
(+)
Power
Terminals
Actuator
3
4
De-energized
Position
Energized
De-energized
RF Switching 1–3, 2–4
1–2, 3–4