Tektronix 5T1A Instrument Reference Book page 5

The 2 mv/cm sensitivity of the
vertical units, in conjunction
allows 1000-to-1 vertical reso-
wide-range time position allows
SAMPLING SYSTEM 1000-to-1 time resolution. To
help make these features appli-
cable to your problem, Tektronix
offers a wide variety of probes,
test fixtures, and accessories.
This compact and complete
sampling system consists of a
Type 511A Timing Plug-In Unit
and either of two 50-ohm Ver-
tical Plug-In Units used with the
Type 661 Oscilloscope.
Vertical Plug-In Units are the
0.35-nsec risetime Type 4S1 and
the 0.1-nsec risetime Type 4S2.
When using the Type 491, the
Type 661 operates in much the
ROWER ane
TERSITY
ASTIOMATISM,
scat ILD.
same manner as a conventional
oscilloscope, but with sensi-
~<@
tivity and bandwidth that is pos-
i sible
only through
sampling.
When using the Type 482, the
Type 661 offers an advanced
montTok
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degree of time resolution over
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