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Model 5308A
General Information
SECTION IX H
5308A 75 MHz TIMER/COUNTER
SUBSECTION |
GENERAL INFORMATION
9H-1-1.
PURPOSE AND USE OF SECTION IX H
9H-1-2.
Section IX H contains the information neces-
sary to install, operate, and maintain the HP 53084.
Timer/Counter.
Theory of operation, parts lists, com-
ponent locator illustrations, and a schematic diagram
are included.
Insert this document in the HP 5300B
Measuring System manual as part of Section IX.
9H-1-3.
INSTRUMENT DESCRIPTION
9H-1-4.
When plugged onto a 5300B mainframe, the
5308A
can
measure
frequency,
frequency
ratio,
period, period average, time interval, and time interval
average.
A single-channel or a two-channel totalize
function
is provided.
The
two-channel
function
totalizes pulses on Channel A during pulses on Chan-
nel B or between pulses on Channel B.
9H-1-5.
Front panel controls are provided for func-
tion and time base selection and for signal condition-
ing
(slope,
level,
and
attenuation).
Automatic
selection of maximum
resolution is provided for the
four
functions
of frequency,
frequency
ratio, period
average,
and
time
interval
average
measurements.
Trigger indicator lamps are provided to indicate when
internal amplifier triggering occurs.
9H-1-6.
Rear
panel
connectors
provide
a
gate
output for Z axis modulation of an oscilloscope, trig-
ger level outputs for monitoring the voltage level at
which each channel triggers, and a time base cutput
for
use
in
totalizing,
period,
and
time
interval
measurements.
9H-1-7.
The electrical and mechanical specifications
are listed in Table 9H-1-1.
9H-1-8.
INSTRUMENT IDENTIFICATION
9H-1-9.
Hewlett-Packard
uses a two-section, nine-
digit serial
number
(0000A00000)
mounted
on
the
rear panel to identify the instrument.
The first four
digits are the serial prefix and the last five digits refer
to the specific instrument.
If the serial prefix on your
instrument differs from that listed on the title page
of this section,
there
are
differences
between
the
manual
and your instrument.
Lower serial prefixes
are covered by a manual change sheet included with
the manual.
Figure 9H-1--1.
5308A 75 MHz Timer/Counter
9H-1-1
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