935697-00 Rev A 1
Instructions
Automotive Test Fixtures
TF-AUTO-HMTD TF-AUTO-MINI50 TF-AUTO-MATENET
While connector systems for Automotive Ethernet are not standardized, three connector types are used very often:
• HMTD from Rosenberger
• Mini50 from Molex
• MateNet from TE
TF-AUTO-HMTD, TF-AUTO-MINI50 and TF-AUTO-MATENET were developed to simplify connection to these interfaces
for automotive compliance testing and debug.
Connecting Fixtures
The fixtures have very good RF characteristics and can be used for transmitter (Tx) testing according to the Open
Alliance specification.
Each has one connector (m) on the automotive side and two, 3.5 mm SMA-compatible connectors (f) on the instrument
side. To avoid damaging the 3.5 mm connectors, use only high-quality cables with SMA, 3.5 mm or
2.92 mm connectors (m) to connect to the fixtures.
Note: The automotive connectors have a limited number of mating cycles. Therefore, they should be regularly
inspected and, if necessary, the entire adapter should be replaced. Contact Service for replacement.
Technical Data
Model
Specifications
TF-AUTO-HMTD
Bandwidth: >13 GHz
Return Loss, typical: >10 dB @ 13 GHz
Mode Conversion, typical: >70 dB @ 20 MHz, >61 dB @ 80 MHz,
>48 dB @ 600 MHz, >40 dB @ 1 GHz, >30 dB @ 4 GHz
TF-AUTO-MINI50
Bandwidth: >2.5 GHz
Return Loss, typical: >10 dB @ 2.5 GHz
Mode Conversion, typical: >70 dB @ 20 MHz,
>61 dB @ 80 MHz, >48 dB @ 600 MHz, >40 dB @ 1 GHz
TF-AUTO-MATENET
Bandwidth >2.5 GHz
Return Loss, typical: > 10dB @ 2.5 GHz
Mode Conversion, typical: >70 dB @ 20 MHz,
>61 dB @ 80 MHz, > 48 dB @600 MHz, >40 dB @ 1 GHz
Automotive Test Fixtures Instructions
935697-00 Rev A 2
The automotive-side connectors have different bandwidths, and not all adapters are suitable for all speeds of
Automotive Ethernet compliance testing. Consult the table below for compatibility with your Ethernet standard.
10Base-T1S/L
100Base-T1
1000Base-T1
2.5GBase-T1
5GBase-T1
10GBase-T1
TF-AUTO-HMTD
TF-AUTO-MINI50
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TF-AUTO-MATENET
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© 2023 Teledyne LeCroy, Inc. All rights reserved.
Teledyne LeCroy is a trademark of Teledyne LeCroy, Inc., Inc. Other product or brand names are trademarks or
requested trademarks of their respective holders. Information in this publication supersedes all earlier versions.
Specifications are subject to change without notice.
Unless otherwise specified, all materials and processes are compliant with RoHS Directive 2011/65/EU in its
entirety, inclusive of any further amendments or modifications to said Directive.
May be subject to disposal and recycling regulations. For more information, visit teledynelecroy.com/recycle.
700 Chestnut Ridge Road
Chestnut Ridge, NY 10977–6499
Tel: (845) 578 6020, Fax: (845) 578 5985
teledynelecroy.com
tf-auto-fixtures-instructions_05jun23.pdf
June, 2023
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