Series 3700A
System Switch/Multimeter
and Plug-In Cards
The Series 3700A offers scalable, instrument grade switching
and multi-channel measurement solutions that are optimized for
automated testing of electronic products and components. The
Series 3700A includes four versions of the Model 3706A system
switch mainframe along with a growing family of plug-in switch
and control cards. When the Model 3706A mainframe is ordered
with the high performance multimeter, you receive a tightly
integrated switch and measurement system that can meet the
demanding application requirements in a functional test system
or provide the flexibility needed in stand-alone data acquisition
and measurement applications.
Maximizes System Control and Flexibility
To provide users with greater versatility when designing test
systems, the Series 3700A mainframes are equipped with many
standard features. For example, easy connectivity is supported
with three remote interfaces: LXI/Ethernet, General Purpose
Interface Bus (GPIB), and Universal Serial Bus (USB). Fourteen
digital I/O lines are also included, which are programmable
and can be used to control external devices such as component handlers or other instruments.
Additionally, system control can be greatly enhanced by using our Test Script Processor (TSP) tech-
nology. This technology provides “smart” instruments with the ability to perform distributed process-
ing and control at the instrument level versus a central PC.
High Quality Switching at a Value Price
The Series 3700A builds upon Keithley’s tradition of producing innovative, high quality, precise signal
switching. This series offers a growing family of high density and general purpose plug-in cards that
accommodates a broad range of signals at very competitive pricing. The Series 3700A supports applica-
tions as diverse as design validation, accelerated stress testing, data acquisition, and functional testing.
Model 3706A Mainframe
The Series 3700A includes the base Model 3706A system switch/multimeter mainframe with three
options for added flexibility. This mainframe contains six slots for plug-in cards in a compact 2U high
(3.5 inches/89mm) enclosure that easily accommodates the needs of medium to high channel count
applications. When fully loaded, a mainframe can support up to 576 two-wire multiplexer channels
or 2,688 one-pole matrix crosspoints for unrivaled density and economical per channel costs.
High Performance, 7½-digit Multimeter (DMM)
The high performance multimeter option provides up to 7½-digit measurements, offering 26-bit res-
olution to support your ever-increasing test accuracy requirements. This flexible resolution supplies
a DC reading rate from >14,000 readings/second at 3½ digits to 60 readings/second at 7½ digits to
accommodate a greater span of applications.
Single Channel Reading Rates
The multimeter does not use a card slot, so
DCV/
4 Wire
you maintain all six slots in your mainframe.
Ohms
NPLC
2 Wire Ohms
In addition, the multimeter is wired to the
60
29
1.0
mainframe’s analog backplane, ensuring a high
295
120
0.2
quality signal path from each card channel to
935
285
0.06
the multimeter.
The multimeter supports 13 built-in measure-
ment functions, including: DCV, ACV, DCI,
ACI, frequency, period, two-wire ohms, four-wire ohms, three-wire RTD temperature, four-wire RTD
temperature, thermocouple temperature, thermistor temperature, and continuity. In addition, the
multimeter offers extended low ohms (1
W
) and low current (10µA) ranges. In-rack calibration is
supported, which reduces both maintenance and calibration time.
0.006
0.0005
6,200
14,100
580
650
System switch with high performance multimeter
• Six-slot system switch mainframe
with optional high performance
multimeter
• Multi-processor architecture
optimized for high throughput
scanning and pattern switching
applications
• Remote PC control via Ethernet,
USB, and GPIB interfaces
• Up to 576 two-wire or 720 one-
wire multiplexer channels in one
mainframe
• Up to 2,688 one-pole matrix
crosspoints in one mainframe
• Embedded Test Script Processor
(TSP
®
) offering unparalleled
system automation, throughput,
and flexibility
• TSP-Link Technology master/
slave connection provides easy
system expansion and seamless
connection to Series 2600 and
2600B SourceMeter
®
SMU
instruments
• Capable of over 14,000 readings
per second to memory with
optional high performance
multimeter
• LXI interface with embedded
Web browser interface for test
setup, maintenance, and basic
application control
SWITCHING AND CONTROL
A Tektronix Company
System switch with high performance multimeter
Series 3700A
System Switch/Multimeter
and Plug-In Cards
Measurement Capability
1p
DC Voltage
AC Voltage
DC Current
AC Current
Frequency
Period
Resistance (2-Wire)
Resistance (4-Wire)
Dry Circuit Resistance
Logarithmic scale
Ordering Information
Mainframes
3706A
Six-slot system
switch with high
performance DMM
3706A-NFP
Six-slot system
switch with high
performance DMM,
without front panel
display and keypad
3706A-S Six-slot system switch
3706A-SNFP
Six-slot system switch,
without front panel
display and keypad
Plug-in Cards
3720
Dual 1×30 multiplexer
card (auto CJC when
used with 3720-ST)
3721
Dual 1×20 multiplexer
card (auto CJC when
used with 3721-ST)
3722
Dual 1×48, high density,
multiplexer card
3723
Dual 1×30, high
speed, reed relay
multiplexer card
3724
Dual 1×30 FET
multiplexer card
3730
6×16, high density,
matrix card
3731
6×16 high speed, reed
relay matrix card
3732
Quad 4×28, ultra-
high density, reed
relay matrix card
3740
32 channel isolated
switch card
3750
Multifunction
control card
Accessories Supplied
Test Script Builder
Software Suite CD
Ethernet Crossover
Cable (CA-180-3A)
Series 3700A Product CD
(includes LabVIEW
®
, IVI C,
and IVI.COM drivers)
1n
1µ
1m
1
1k
1M
1G
System switch with high performance multimeter
500kHz
2µs
330ms
Temperature–RTD
Temperature–TC
Temperature–Thermistor
Linear scale
Measurement capabilities of the high performance multimeter
ACCESSORIES AVAILABLE
GPIB INTERFACES AND CABLES
7007-1
7007-2
KPCI-488LPA
KUSB-488B
2600-TLINK
CA-126-1
CA-180-3A
3706-BAN
3706-BKPL
3706-TLK
8620
4288-10
Shielded GPIB Cable, 1m (3.5ft)
Shielded GPIB Cable, 2m (6.6ft)
IEEE-488 Interface/Controller for the PCI Bus
IEEE-488 USB-to-GPIB Interface Adapter
Trigger I/O to Trigger Link Interface Cable,
1m (3.3 ft)
Digital I/O and Trigger Cable, 1.5m (4.9 ft)
CAT5 Crossover Cable for TSP-Link
DMM Adapter Cable, 15-pin D-sub to banana
jacks, 1.4m (4.6 ft)
Analog Backplane Extender Board, 15-pin
D-sub to terminal block
Test Lead Kit, includes 3706-BAN and plug-in
test lead accessories
Shorting Plug
Fixed Rear Rack Mount Kit
SERVICES AVAILABLE
Mainframe Models 3706A and 3706A-NFP
3706A-3Y-EW
1 Year Factory Warranty Extended to 3 Years
3706A-5Y-EW
1 Year Factory Warranty Extended to 5 Years
C/3706A-3Y-STD Calibration Contract, 3 Years, Standard
Calibration*
C/3706A-3Y-DATA Calibration Contract, 3 Years, Z540
Compliant Calibration with Data*
C/3706A-3Y-ISO
Calibration Contract, 3 Years, ISO 17025
Accredited Calibration*
C/3706A-5Y-STD Calibration Contract, 5 Years, Standard
Calibration*
C/3706A-5Y-DATA Calibration Contract, 5 Years, Z540
Compliant Calibration with Data*
C/3706A-5Y-ISO
Calibration Contract, 5 Years, ISO 17025
Accredited Calibration*
Mainframe Models 3706A-S and 3706A-SNFP
3706A-S-3Y-EW
1 Year Factory Warranty Extended to 3 Years
3706A-S-5Y-EW
1 Year Factory Warranty Extended to 5 Years
SOFTWARE SERVICES
SYSTEM DEVELOPMENT OR IMPLEMENTATION
Other service contracts are available; please contact us for details.
*Not available in all countries.
DIGITAL I/O, TRIGGER LINK, AND TSP-LINK
MULTIMETER CONNECTORS
RACK MOUNT KIT
A Tektronix Company
SWITCHING AND CONTROL
System switch with high performance multimeter
Series 3700A
System Switch/Multimeter
and Plug-In Cards
Test Script Builder Software Suite
Test Script Builder is a software tool that is provided with all Series 3700A
instruments to help users easily create, modify, debug, and store TSP test
scripts. It supplies a project/file manager window to store and organize test
scripts, a text-sensitive program editor to create and modify test TSP code,
and an immediate instrument control window to send Ethernet, GPIB, and
USB commands and to receive data from the instrument. The immediate
window also allows users to see the output of a given test script and sim-
plifies debugging.
System switch with high performance multimeter
This form of distributed control supports the autonomous operation of
individual instruments or groups of instruments and can possibly remove
the need for a high level PC controller, which lowers test and ownership
costs. This is the same proven TSP technology found in our innovative
Series 2600B System SourceMeter
®
SMU instruments.
TSP-Link Technology for Easy and Seamless
System Coordination and Expansion
If your channel density requirements grow or if you need to process more
signal types, use TSP-Link Technology to expand your system. The TSP-
Link master/slave connection offers easy system expansion between Series
3700A mainframes. You can also use TSP-Link Technology to connect to
other TSP-Link enabled instruments such as Series 2600B SourceMeter
SMU instruments. Everything connected with TSP-Link can be controlled
by the master unit, just as if they were all housed in the same chassis.
This high speed system expansion interface lets users avoid the complex
and time consuming task of expanding their remote interfaces to another
mainframe. There is no need to add external triggers and remote com-
munication cables to individual instruments, since all TSP-Link connected
devices can be controlled from a single master unit.
Store and
organize test
scripts in the
file manager
window.
Create and modify
test TSP code in the
context sensitive
editor window.
The immediate window displays test
script output and assists in debugging.
Test Script Builder Software Suite
Version 1.4
LXI Core 2011 with LXI Clock Synchronization, LXI Timestamped Data,
LXI Event Messaging, LXI Event Log.
Transportable Memory, USB 2.0 Device Port
All Model 3706A mainframes contain a USB device port for easy transfer
of readings, configurations, and test scripts to memory sticks. This port,
which is located on the front panel, provides you with easy access to and
portability of measurement results. Simply plug in a memory stick and,
with a few simple keystrokes, gain access to virtually unlimited memory
storage. Additional capabilities include: saving and recalling system config-
urations and storage for TSP scripts.
SWITCHING AND CONTROL
A Tektronix Company
System switch with high performance multimeter
TSP Distributed Control Increases Test
Speed and Lowers Test Cost
TSP technology enhances instrument control by allowing users the choice
of using standard PC control or of creating embedded test scripts that
are executed on microprocessors within the instrument. By using TSP
test scripts instead of a PC for instrument control, you avoid communi-
cation delays between the PC controller and instrument, which results
in improved test throughput. Test scripts can contain math and decision-
making rules that further reduce the interaction between a host PC
and the instrument.
Series 3700A
System Switch/Multimeter
and Plug-In Cards
System switch with high performance multimeter
Built-in Web Server Interface
3. Analyze your data.
View your results in real-time or historical mode with
point-and-click simplicity. Data can be exported directly to your PC in either
numerical or graphical formats for presentation or other applications.
1. Configure your switch channels and measurement functions.
Configure the DMM to make your measurements at the desired speed,
resolution, etc. and assign them to the desired channels.
Model 3706A front panel
Model 3706A-S front panel
2. Build and run your automated scan list.
The toolkit makes it easy to
build and execute an automated sequence of channel-open and channel-close
commands and triggered multimeter measurements.
Model 3706A-NFP and Model 3706A-SNFP front panel
Model 3706A rear panel
A Tektronix Company
SWITCHING AND CONTROL
System switch with high performance multimeter
Embedded Web Server
The built-in Web interface offers a quick and easy method to control and
analyze measurement results. Interactive schematics of each card in the
mainframe support point-and-click control for opening and closing switch-
es. A scan list builder is provided to guide users through the requirements
of a scan list (such as trigger and looping definitions) for more advanced
applications. When the mainframe is ordered with the multimeter, addi-
tional Web pages are included for measurement configuration and viewing,
including a graphing toolkit.
Series 3700A
System Switch/Multimeter
and Plug-In Cards
High Performance Multimeter Specifications (Rev. A)
DC Specifications
CONDITIONS:
1 PLC or 5 PLC.
For <1PLC, add appropriate “ppm of range” adder from “RMS Noise” table.
Includes rear panel Analog Backplane connector and transducer conversion. Refer to DC Notes for additional card uncertainties.
Input Resistance
or Open Circuit
Voltage
2
>10 GW or 10 MW ±1%
>10 GW or 10 MW ±1%
>10 GW or 10 MW ±1%
10 MW ±1%
10 MW ±1%
8.2 V
8.2 V
13.9 V
13.9 V
9.1 V
14.7 V
14.7 V
6.4 V
6.4 V
27 mV
20 mV
20 mV
20 mV
20 mV
13.9 V
Accuracy: ±(ppm of reading + ppm of range)
(ppm = parts per million) (e.g., 10ppm = 0.001%)
24 Hour
3
23°C ± 1°C
10 + 9
7+2
7+2
15 + 6
20 + 6
15 + 80
15 + 9
15 + 9
20 + 4
15 + 4
20 + 4
25 + 4
150 + 6
800 + 30
25 + 80
25 + 80
25 + 80
25 + 80
25 + 80
40 + 100
40 + 50
50 + 9
50 + 9
50 + 9
50 + 9
200 + 60
1000 + 75
90 Day
23°C ± 5°C
25 + 9
25 + 2
20 + 2
35 + 6
35 + 6
40 + 80
40 + 9
45 + 9
45 + 4
40 + 4
45 + 5
50 + 5
200 + 10
2000 + 30
50 + 80
50 + 80
90 + 80
180 + 80
320 + 80
100 + 100
300 + 50
300 + 30
300 + 30
300 + 30
300 + 30
500 + 60
1200 + 75
1 Year
23°C ± 5°C
30 + 9
30 + 2
25 + 2
40 + 6
40 + 6
60 + 80
60 + 9
65 + 9
65 + 4
60 + 4
65 + 5
70 + 5
400 + 10
2000 + 30
70 + 80
70 + 80
140 + 80
400 + 80
800 + 80
100 + 100
500 + 50
500 + 30
500 + 30
500 + 30
500 + 30
800 + 60
1200 + 75
Temperature
Coefficient
0°–18°C and 28°–50°C
(1 + 5)/°C
(1 + 1)/°C
(1 + 1)/°C
(5 + 1)/°C
(5 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(70 + 1)/°C
(385 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(8 + 1)/°C
(35 + 9)/°C
(50 + 5)/°C
(50 + 5)/°C
(50 + 5)/°C
(50 + 5)/°C
(50 + 10)/°C
(50 + 10)/°C
Function
Voltage
4
Resistance
4, 5, 6, 7
Dry Circuit
Resistance
6, 8
Continuity (2W)
Current
9
Resolution
Range
1
100.00000 mV
19
0.01 µV
0.1 µV
1.0000000 V
19
1 µV
10.000000 V
100.00000 V
10 µV
300.00000 V
100 µV
1.0000000
W
0.1 µW
10.000000
W
1 µW
100.00000
W
10 µW
1.0000000 kW
100 µW
10.000000 kW
1 mW
10 mW
100.00000 kW
100 mW
1.0000000 MW
10.000000 MW
1
W
100.00000 MW
10
W
1.0000000
W
1 µW
10 µW
10.000000
W
100.00000
W
100 µW
1.0000000 kW
1 mW
10 mW
2.0000000 kW
1.000
kW
100 mW
10.000000 µA
1 pA
100.00000 µA
10 pA
1.0000000 mA
100 pA
10.000000 mA
1 nA
100.00000 mA
10 nA
1.0000000 A
100 nA
3.0000000 A
1 µA
Test Current or
Burden Voltage
Series 3700A specifications
10 mA
10 mA
1 mA
1 mA
100 µA
10 µA
10 µA
0.64 µA//10 MW
0.64 µA//10 MW
10 mA
1 mA
100 µA
10 µA
5 µA
1 mA
<61 mV
<105 mV
<130 mV
<150 mV
<0.4 V
<0.6 V
<1.8 V
TEMPERATURE
(Displayed in °C, °F, or K. Exclusive of probes errors.)
THERMOCOUPLES (Accuracy based on ITS-90):
90 Day/1 Year,
23°C ± 5°C
Simulated
reference junction
0.2°C
0.2°C
0.2°C
0.2°C
0.2°C
0.6°C
0.6°C
0.6°C
90 Day/1 Year,
23°C ± 5°C
Using 3720, 3721,
or 3724 Cards
1.0°C
1.0°C
1.0°C
1.0°C
1.0°C
1.8°C
1.8°C
1.8°C
90 Day/1 Year,
23°C ± 5°C
Using 3720, 3721,
or 3724 Cards
1.5°C
1.5°C
1.5°C
1.5°C
1.5°C
2.3°C
2.3°C
2.8°C
Temperature
Coefficient
0°–18°C and 28°–50°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
0.03°C/°C
SWITCHING AND CONTROL
Type
J
K
N
T
E
R
S
B
Range
–150 to + 760°C
–150 to +1372°C
–100 to +1300°C
–100 to +400°C
–150 to +1000°C
+400 to +1768°C
+400 to +1768°C
+1100 to +1820°C
Resolution
0.001°C
0.001°C
0.001°C
0.001°C
0.001°C
0.1°C
0.1°C
0.1°C
Range
–200 to –150°C
–200 to –150°C
–200 to –100°C
–200 to –100°C
–200 to –150°C
0 to +400°C
0 to +400°C
+350 to +1100°C
4-WIRE RTD OR 3-WIRE RTD (100W platinum [PT100], D100, F100, PT385, PT3916, or user 0W to 10kW) (Selectable Offset compensation On or Off):
For 3-wire RTD, dmm.connect=dmm.CONNECT_FOUR_WIRE,
≤0.1W
lead resistance mismatching in Input HI and LO. Add 0.25°C/0.1W of lead resistance mismatch.
4-Wire RTD
3-Wire RTD
–200 to +630°C
–200 to +630°C
–80 to +150°C
0.01°C
0.01°C
0.01°C
0.06°C
0.75°C
0.08°C
0.003°C/°C
0.003°C/°C
0.002°C/°C
THERMISTOR:
2.2kW, 5kW, and 10kW. Not recommended with Model 3724 card. See Model 3724 manual for “Measurement Considerations.”
A Tektronix Company
Series 3700A specifications
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