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VTI Instruments (formerly VXI Technology) is a leading supplier of high-density
modular test,
measurement and data acquisition instruments
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VTI Instruments are represented in the UK by TTid.
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VXI products have been in the marketplace since 1987,
and many test systems that were designed in those early years are still
operational today. As with older GPIB products, certain VXIbus products
have run into component obsolescence problems.
Over the last ten years, VTI has provided
functionally similar products to replace such obsolete instruments,
specializing in translation drivers, cross-reference cable
assemblies and other solutions to minimize the impact of
re-engineering the existing test station design.
System developers who standardized on Tektronix VXI products, or have
ATE built around them were faced with "ATE Obsolescence" issues when
Tektronix terminated their VXI line in 2001. Changing from these
products to an alternate family of products traditionally requires a
large investment that would involve extensive rewriting or translation
of code, re-engineering of test adapters and re-verification of new test
programs. VTI has years of demonstrated success
allowing specific Tektronix products to be replaced with functionally
superior products that will be supported for at least the next 10 - 15
years. This approach enables existing Tektronix VXI product users to
continue building systems with minimal engineering impact.
Cross-Referenced Products
Cross-referenced products come with translation driver source code (VISA
required) and connector cross-reference documentation, minimizing
engineering efforts associated with changing products. |
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Tek Replacement Data
Sheet  |
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Obsolete
Tektronix VXI Product |
Cross-Referenced VTI Product |
| Signal
Switching |
Signal
Switching |
VX4350, 64 SPDT, 2 A, 220
V
VX4350, 64 SPDT, 2 A, 220
V
VX4351, 40 SPST, 10
A
VX4351, 40 SPST, 10
A
VX4357, 32 SPDT, 5
A
VX4357, 32 SPDT, 5
A
VX4330, 120 Channel, 2 A
Mux
VX4320, 8 (1 x 4) 1 GHz
Muxes
VX4380, 4 (4 x 16) 2 A
Matrix
SurePath Switch Controller
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SM4350, 100 SPDT, 2 A, 220
V
SM4350A*, 64 SPDT, 2 A, 220 V
SM4351, 40 SPST, 16
A
SM4351A*, 40 SPST, 10 A
SM4357, 60 SPDT, 5
A
SM4351A*, 32 SPDT, 5 A
SM4330/SM4330A*, 128 Channel, 2 A
Mux
SM4320-SMB*, 8 (1 x 4) 1 GHz
Muxes
SM4380, 4 (4 x 16) 2 A
+ 2 (4 x 4) Matrices
Switch Controller Not Required
* = Pin-for-pin compatible replacement |
| Instrumentation |
Instrumentation |
VX4101A,
DMM/CTR
73A308, 80 Channel
Open Collector
VX4801, 48 Channel
Isolated Digital I/O
VX4802, 80 Channel
Digital I/O
73A455, Dual
Channel MIL-STD-1553 |
VTI4101A,
DMM/CTR
SM73A308, 96 Channel Open
Collector
SM4801, 48 Channel Non-Isolated
Digital I/O
SM4802, 96 Channel Digital I/O
(TTL/CMOS)
AXI1553, Dual Channel
MIL-STD-1553 |
| Mainframe |
Mainframe |
| VX1401, 13-slot ‘C’-size
mainframe |
CT-400, 13-slot ‘C’-size
mainframe | |
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VTI cross-referenced products come with
translation drivers and source code that would replace the
existing Tektronix drivers. These translation drivers map the
key VXIplug&play function calls to the obsolete Tektronix
hardware directly to our cross-referenced product.
Functionally Similar Products
In addition to cross-referenced products,
VTI offers that are functionally similar to their Tektronix
equivalent. |
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| Obsolete
Tektronix VXI Product |
Functionally Similar VTI Product |
| Instrumentation |
Instrumentation |
VX4234, 4.5 Digit
DMM
VX4286/87, 32 Channel
Comparator
VX4790A, 25 MSample/s
AWG
VX4750, 25 MHz Function
Generator
VX4730, 12 Channel 16-bit
D/A |
VM2710A, 6.5 Digit
DMM
VM4016-2, 32 Channel
Comparator
VM3640, 50 MSample/s
AWG
VM3640, 20 MHz Function
Generator
VM3616A, 16 Channel, 16-bit
D/A | |
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For information and pricing on all
VTI Instruments products,
please contact the TTi sales desk. |
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TTid.co.uk - Thurlby Thandar instrument distribution
Glebe Road, Huntingdon, Cambridgeshire PE29 7DR
Tel: 01480 412451 Fax: 01480
450409 Web: www.ttid.co.uk Email:
info@ttid.co.uk |
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