Keithley 7075, Инструкция по эксплуатации

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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
5
closures.
CHANNEL RESISTANCE (per conductor): <0.50
Ω
initial, <1.5
Ω
at
end of contact life.
CONTACT POTENTIAL: <5µV per contact pair (HI to GUARD).
OFFSET CURRENT: <100pA.
CROSSTALK (1MHz, 50
Ω
load):
Bank: < –60dB.
Channel: <–60dB.
INSERTION LOSS (1MHz, 50
Ω
source, 50
Ω
load): 0.1dB typical.
ISOLATION:
Bank: >10 10
Ω
, <3pF.
Channel : >10
10
Ω
, <5pF.
Differential :
Configured as 1
×
12: >10 9
Ω
, <100pF nominal.
Configured as 1
×
96: >10
8
Ω
, <600pF nominal.
Common Mode :
Configured as 1
×
12: >10 9
Ω
, <165pF nominal.
Configured as 1
×
96: >10
8
Ω
, <700pF nominal.
3dB BANDWIDTH (50
Ω
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.
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12
ROWS
(To rear
panel
connectors)
BANKS—Eight 1
×
12
(To rear panel connectors)
Backplane
Jumpers
(factory installed)
Bank-to-
Bank
Jumpers
(user
installable)