SBG 8/11/99
7999-2 Three-Pole Multiplexer Card
RELAY SWITCH CONFIGURATION:
1 bank of 3:1 mux 3-pole switching.
1 bank of 4:1 mux 3-pole switching.
CONTACT CONFIGURATION: 3-pole Form A.
CONNECTOR TYPE:
Mux Common Connector (1): 6-pin LEMO.
Mux Input/Output Connectors (7): 3-pin LEMO.
Control Connectors (1): 15-pin male D-sub.
MAXIMUM SIGNAL: 30V DC, 42V peak between any two inputs or
chassis, 1A switched, CAT I.
CONTACT LIFE: Cold Switching: 10
×
10
6
closures.
At Maximum Signal Levels: 2
×
10
5
closures.
CHANNEL RESISTANCE (per conductor): <1
Ω
.
CONTACT POTENTIAL: <10µV per contact.
ACTUATION TIME: 3ms.
ISOLATION: Channel to Channel: >10
9
Ω
, <80pF.
Common Mode:
>10
9
Ω
, <150pF.
CROSSTALK (1MHz, 50
Ω
load): <–40dB.
INSERTION LOSS (50
Ω
source, 50
Ω
load): <0.1dB
≤
20kHz, >25dB @
2GHz.
RELAY DRIVE CURRENT (per relay): 8.5mA @ 24V (user supplied).
USER SUPPLIED VOLTAGE: 24V ± 4V DC, 175mA max.
RELAY CONTROL INPUT: Relay Closed: <2.0V.
Relay Open:
User supplied voltage.
RELAY DRIVE CONFIGURATION:
User
Supplied
Voltage
Relay
Control
Input
Relay
Coil
Card
GENERAL
ENVIRONMENT: Operating: 0° to 50°C, up to 35°C <80% RH.
Storage:
–25° to 65°C.
EMC: Conforms with European Union Directive 89/336/EEC, EN
55011, EN 50082-1, EN 61000-3-2 and 61000-3-3, FCC part 15
class B.
SAFETY: Conforms with European Union Directive 73/23/EEC, EN
61010-1.
DIMENSIONS: 152mm long
×
102mm wide
×
13mm deep (6˝
×
4˝
×
1
⁄
2
˝).
3:1 MUX 3-Pole Switch
4:1 MUX 3-Pole Switch
Summary of Contents for 7999-2
Page 1: ...Contains Operating and Servicing Information Model 7999 2 Multiplexer Card Instruction Manual ...
Page 12: ...1 GeneralInformation ...
Page 16: ...2 Connections ...
Page 23: ...3 OperatingConsiderations ...
Page 28: ...4 ServiceInformation ...
Page 36: ...5 ReplaceableParts ...
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Page 44: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A ...