Dolch Logic Instruments - LAM 4850 - Logic Analyzer
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Dolch Logic Instruments LAM 4850
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Equipment:
LAM 4850
Date:
1980
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Information
Logic analyzers have quickly become the most important tool
available to the digital equipment specialist. Whether you
use it to develop new systems or trouble shoot old systems,
you will soon find it to be truly indispensible. The LAM
4850 is a third-generation product which brings together
features and performance unavailable elsewhere.
To utilize these features, you must take the time to both
learn what they are and understand how to call the programs.
The time invested in a thorough reading of this manual will
yield an immediate return. The LAM 4850 has many modes of
operation, configurations, and features which will help you
solve even the most subtle software or hardware problem. We
hope that you will find the material presented below
informative and easy to understand. Like our products, we
are continually refining our manuals and solicit your
comments. Continue reading for the details on how the LAM
4850 will help you solve your logic analysis tasks with
speed and ease.
1.2 GENERAL
The LAM 4850 is a 48 channel logic analyzer. For
convenience, each input port takes 8 inputs, and there are
six input ports on the front panel. Clock and clock
qualifiers enter through a rear panel port. Internally, the
analyzer is divided into three memory blocks, 16 bits wide
and 1024 bits (words) deep, and each memory block can be
clocked independently with external or internal clocks.
These three memory blocks can be organized in five ways.
"Menus" are used to display the various choices you have and
guide you in the set up procedure. The TRACE menu is used to
set up the desired configuration.
A logic analyzer may be thought of as a memory through which
the 48 channels of data are streaming. Triggering the
analyzer means the opposite to triggering an oscilloscope,
since when we trigger, we stop the stream - literally
freezing time - so that we may then examine the interval of
time before and after the trigger.
A four-level sequence must be satisfied by the input data
prior to triggering the logic analyzer. To aid you with the
choices, a Trigger Menu is available.
After we have captured the time around the trigger event (or
after it, if desired) we then call upon the powerful compare
and search features found in the COMPARE Menu. To allow the
most sophisticated searching of data to be done, a Reference
Memory is used. Troubleshooting intermittents is simple with
the "baby sitting" features found in both the Trigger Menu
and the Compare Menu.
In the timing mode, a cursor with powerful features is
available.
No state of the art logic analyzer would be complete without
data communication and control ports, so users of IEEE bus
and RS-232 as well as video output need not worry. Soon,
personality probes and disassembler firmware will be
available for many popular microprocessors.
1 Manual
Service and user manual
Manual type:
Service and user manual
Pages:
163
Size:
6.2 MB
Language:
english
Revision:
Manual-ID:
Date:
January 1980
Quality:
Scanned document, all readable.
Upload date:
Aug. 16, 2017
MD5:
aa42d01c-8e00-f121-f4a7-e3ba2864db88
Downloads:
464