Cal Test Electronics has announced an upgrade to its popular 50Ω BNC feed-through terminator, along
with the introduction of two new models with impedances
of 75Ω and 93Ω. The improved model CT2944 — now
designated CT2944-50 — features an increased 2 GHz
bandwidth and an impedance tolerance of ±0.25Ω. In
addition, its accuracy is now 0.5%.
The C T2944's BNC female coaxial connector is gold
plated for lower contact resistance and corrosion
protection. Use the improved CT2944-50 to match a 50Ω
coaxial cable to a 1 MΩ oscilloscope, a 1 MΩ probe to a
50Ω input instrument, or anywhere impedance matching
is a must for measurement accuracy.
Along with the upgraded 50Ω version, the BNC feed-through terminator family now includes 75Ω and 93Ω
models. The CT2944-75 and CT2944-93 are useful where
cables of matching impedances are being used. This
would include the popular RG59 and RG62 coaxial
cables, respectively. The new models feature 1 GHz
bandwidth and 1W average power rating along with the
gold plated BNC female connector. Accuracy is also 0.5%
The CT2944-50 ($30) is available now. Both the
CT2944-75 ($52) and -93 ($52) will be available as of
September 1, 2015.
September 2015 79
Digital Equipment Corp.
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