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7075 Eight 1×12 2-Pole Multiplexer Card
MULTIPLEX CONFIGURATION: Eight 1×12 banks. Adjacent banks
can be connected together. Jumpers can be removed to isolate any
bank from the backplane.
CONTACT CONFIGURATION: 2-pole Form A (HI, GUARD).
CONNECTOR TYPE: 25-pin subminiature D connector, eight for
bank connection, one for row connection.
MAXIMUM SIGNAL LEVEL:
DC Signals: 110V DC pin to pin, 1A switched, 30VA (resistive
load).
AC Signals: 175V AC peak pin to pin, 1A switched, 60VA (resistive
load).
COMMON MODE VOLTAGE: 110V DC, 175V AC peak pin-to-pin or
pin-to-chassis.
CONTACT LIFE:
Cold Switching: 10
8
closures.
At Maximum Signal Level: 10
CHANNEL RESISTANCE (per conductor): <0.50Ω initial, <1.5Ω at
end of contact life.
CONTACT POTENTIAL: <5µV per contact pair (HI to GUARD).
OFFSET CURRENT: <100pA.
CROSSTALK (1MHz, 50Ω load):
Bank: <–60dB.
Channel: <–60dB.
INSERTION LOSS (1MHz, 50Ω source, 50Ω load): 0.1dB typical.
1
A
B
C
ROWS
( To rear
panel
D
connectors)
E
F
G
H
5
closures.
BANKS—Eight 1 × 12
( To rear panel connectors)
2
3
4
5
6
ISOLATION:
Ω, <3pF.
Bank: >10
10
Ω, <5pF.
Channel: >10
10
Differential:
Configured as 1×12: >10
Configured as 1×96: >10
Common Mode:
Configured as 1×12: >10
Configured as 1×96: >10
3dB BANDWIDTH (50Ω load):
Configured as 1×12: 30MHz typical.
Configured as 1×96: 2.5MHz typical.
RELAY DRIVE CURRENT (per relay): 28mA.
RELAY SETTLING TIME: <3ms.
EMC: Conforms to European Union Directive 89/336/EEC.
SAFETY: Conforms to European Union Directive 73/23/EEC (meets
EN61010-1/IEC 1010).
ENVIRONMENT:
Operating: 0° to 50°C, up to 35°C at 70% R.H.
Storage: –25° to 65°C.
ACCESSORY SUPPLIED: Jumpers for multiplexer expansion.
ACCESSORIES AVAILABLE:
7076-RMTC High Isolation Row Cable Assembly,
3m (10 ft)
7076-CMTC High Isolation Column/Bank Cable
Assembly, 3m (10 ft)
7075-MTC* Row/Column/Bank Standard Cable
Assembly, 3m (10 ft)
* Standard cable can be used for either row or column connection.
7
8
9
10
11
Ω, <100pF nominal.
9
Ω, <600pF nominal.
8
Ω, <165pF nominal.
9
Ω, <700pF nominal.
8
12
Bank-to-
Bank
Jumpers
(user
installable)
Backplane
Jumpers
(factory installed)
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