Termination Method/Test Procedure

Note:

NA = Network Analyzer
TDR = Time Domain

Reflectomer
* = Default
+ = Preferred

Coax
Single End

  • TDR, Single Point measurement at approximately 4ns from beginning of sample * +.
  • TDR, average digitized trace over given length of sample.
  • NA, Resonant Method on ten foot sample length.
  • NA Open/Short Method at given frequency or range of frequencies.

Twisted Pair
Single End

  • TDR, Single Point measurement at approximately 4ns from beginning of sample.
  • TDR, average digitized trace over given length of sample.
  • NA, Resonant Method on ten foot sample length.
  • NA Open/Short Method at given frequency or range of frequencies.

SCSI
  • TDR, Single Point measurement at approximately 4ns from beginning of sample.
  • NA Open/Short Method at given frequency or range of frequencies.

Differential
  • TDR, using a balancing transformer.
  • NA, Differential TDR, using two pulse heads and waveform math +.
  • NA, Resonant Method, 10' sample, using balancing transformer.
  • NA, Open/Short Method at given frequency, using balancing transformer.

C-C Common Mode (Unbalanced)
  • TDR, Single Point measurement at approximately 4ns from beginning of sample *.
  • NA, Resonant Method, no transformer.
  • NA, Open/Short Method, no transformer.

Multi-Parallel
Single End

  • TDR, Single Point measurement at approximately 4ns from beginning of sample.
  • TDR, average digitized trace over given length of sample.
  • NA, Resonant Method on ten foot sample length.
  • NA Open/Short Method at given frequency or range of frequencies.

C-C Common Mode (Unbalanced)
  • TDR, Single Point measurement at approximately 4ns from beginning of sample *.
  • NA, Resonant Method, no transformer.
  • NA, Open/Short Method, no transformer.

Coax
Single End

  • Conductor Shield.

Twisted Pairs
Single End

  • Conductor to all other conductors and shield(s).

SCSI
  • One conductor from each pair tied to ground. Each remaining conductor tested successively to ground.

Mutual
  • Three measurement method ASTM-D4566 +.

Cond-Cond.
  • Two conductors of a pair tested; all others float *.

Cond-Shield
  • One conductor against shield; all others float.

Multi-Parallel
Single End

  • Conductor to all other conductors and shield(s) +.

Cond-Cond.
  • Two conductors of a pair tested; all others float.

Cond-Shield
  • One conductor against shield; all others float.

Corporate Headquarters

Address:
C&M Corporation
349 Lake Road
Dayville, CT 06241
Tel:
+(1) 860 774 4812
Fax:
+(1) 860 831 1978
E-Mail:
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Website:

About C&M Corporation

C&M Corporation designs and manufactures world-class wire and cable, cable assemblies and coil cords.  With the ability to engineer and produce custom cable products quickly, C&M helps our customers minimize their technical and supply chain risks.

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