May 2014
Intermediate to advanced
320 pages
13h 41m
English
Content preview from Servicing Personal Computers, 3rd Edition
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86 Servicing Personal Computers
The equivalent circuit of an oscilloscope Y-amplifier and its associated input probe is shown
in Figure 2.11. In order to facilitate connection of the probe to various components, a range of
probe tips should be provided.
Probe Cable 'Scope input
^S
Figure
2.11.
Equivalent circuit of
an
oscilloscope
input incorporating
a
'x10' probe
Logic probes
Surprisingly, the most useful item of digital test gear in the author's workshop is also the least
expensive. It is, as you may have guessed, nothing more than a simple logic probe. Such
instruments can be a valuable aid in trouble-shooting even the most complex digita ...