3761 10-Channel Low Current Multiplexer Card
Specifications
Channels Per Card
Contact Configuration
10.
Form A. Signal LO is common
for all 10 channels and output.
When open, signal HI is
shorted to signal LO in current
mode. When open, signal HI
is high impedance in voltage
mode.
SMA.
16 mA/relay typ.
30 V, 100 mA peak (resistive
load).
>10
6
closures at maximum
signal levels; >10
7
closures
cold switching or at low signal
levels.
<1
Ω.
<200 µV.
<1 pA (<30 fA typical).
1 MHz typical.
<1 ms, exclusive of mainframe.
>10
14
Ω,
<50 pF.
>10
9
Ω,
<150 pF.
<30 V maximum.
Connector Type
Relay Drive Current
Maximum Signal Level
A Tektronix Company
Contact Life
The 3761 provides quality low-current switching at an
affordable price. The offset current error generated
is specified <1pA, with typical performance at <30fA.
When used with a voltage source and an electrometer
or picoammeter, this card can easily automate insulation
resistance tests, reverse leakage tests on semiconductor
junctions, or gate leakage tests on FETs.
The 3761 features both current and voltage modes. In
current mode, the current path is maintained even when
the channel is open. This eliminates cable charging time
between measurements. In voltage mode, the input is
broken and is high impedance. Input connectors are SMA
for shielding of the sensitive measurements. An SMA
male to BNC male cable (3761-BNC-SMA) is available
for compatibility with existing 7158 configurations and
with Keithley accessory cables such as the 4801 and
4803. The 3761 does not connect to the 6 common
buses on the 3706A backplane, but two outputs are
provided to allow for chaining several scanner cards to
one measurement instrument, allowing up to 60 channels,
while an isolation relay in the output HI minimizes
interaction between cards.
Contact Resistance
Contact Potential
Offset Current
3dB Bandwidth
Actuation Time
Channel Isolation
Common Mode Isolation
Common Mode Voltage
Available Accessories
3761-BNC-SMA
???
4801
4802-10
4803
SMA to BNC Cable
Low Noise Male to Male SMA
Cable
Low Noise Male to Male BNC
Cable
Low Noise BNC to
Unterminated Cable, 10 ft.
Low Noise BNC Cable kit
Available Services
-3761-3Y-EW
1 year factory warrenty
extended to 3 years from date
of shipment
1 year factory warrenty
extended to 5 years from date
of shipment
-3761-5Y-EW
Series 3700A System Switch/Multimeter and Plug-In Cards
Contact Information:
Australia*
1 800 709 465
Austria
00800 2255 4835
Balkans, Israel, South Africa and other ISE Countries
+41 52 675 3777
Belgium*
00800 2255 4835
Brazil
+55 (11) 3759 7627
Canada
1 800 833 9200
Central East Europe / Baltics
+41 52 675 3777
Central Europe / Greece
+41 52 675 3777
Denmark
+45 80 88 1401
Finland
+41 52 675 3777
France*
00800 2255 4835
Germany*
00800 2255 4835
Hong Kong
400 820 5835
India
000 800 650 1835
Indonesia
007 803 601 5249
Italy
00800 2255 4835
Japan
81 (3) 6714 3010
Luxembourg
+41 52 675 3777
Malaysia
1 800 22 55835
Mexico, Central/South America and Caribbean
52 (55) 56 04 50 90
Middle East, Asia, and North Africa
+41 52 675 3777
The Netherlands*
00800 2255 4835
New Zealand
0800 800 238
Norway
800 16098
People’s Republic of China
400 820 5835
Philippines
1 800 1601 0077
Poland
+41 52 675 3777
Portugal
80 08 12370
Republic of Korea
+82 2 6917 5000
Russia / CIS
+7 (495) 6647564
Singapore
800 6011 473
South Africa
+41 52 675 3777
Spain*
00800 2255 4835
Sweden*
00800 2255 4835
Switzerland*
00800 2255 4835
Taiwan
886 (2) 2656 6688
Thailand
1 800 011 931
United Kingdom / Ireland*
00800 2255 4835
USA
1 800 833 9200
Vietnam
12060128
* European toll-free number. If not
accessible, call:
+41 52 675 3777
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