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HP
5384A and
HP
5385A
Performance
Tests
4-1.
INTRODUCTION
SECTION
IV
PERFORMANCE
TESTING
4-7. ERROR MESSAGES
4-2. The procedures in this section
provide
two
types
of
tests. First, a
complete
performance
test
for
the
HP
5384A and
HP
5385A Frequency Counters.
They can be
performed
without
access.
to
the
interior
of
the
instrument. The second test
is
an HP-IB
verification test using
the
HP85A
controller.
4-8.
Under
certain
conditions
the
counter
will
dis-
play Error messages. Error messages typically
occur
during
the
power-up,
initialize cycle. These messages
indicate a hardware
failure
or
the user
has
attempted
an
improper
operation,
either
through
the keyboard
or
the interface.
4-3.
EQUIPMENT
REQUIRED
4-9. Performance Test
4-4. Equipment
required
for
complete
test and
operation
verification
is
listed in Table 1-2. Any
equipment
which
satisfies
the
critical specifications
given
in
the
table may be substituted
for
the
recom-
mended
model
numbers.
4-10. The
performance
test
is
given
in
Table 4-1. The
performance test verifies
all specifications listed in
Table 1-1. All tests can be per
formed
without
access
to
the
interior
of
the
instrument.
4-5. TEST RECORD
4-6. Results
of
the
complete
performance
test
should
recorded
on
a copy
of
the Performance
Test
Card
at
the
end
of
this section .
Table
4-1.
Performance
Test
I. POWER-UP CHECK
Description:
The
HP
5384A/HP 5385A Frequency
Counter
power
is
set
to
STBY,
then
on. The
counter
will
be cycled
through
its
power-up,
initialize
subroutine.
This test
is
performed
with
no
external
time
base signal
applied
to
the
counter.
A test
is
made
of
all
the
major
function
blocks,
then
goes
to
its
intialize
state.
a.
Set-up:
Insure that
no
cables are
connected
to
input
A
or
to
the
interface
connector.
Cycle
the
POWER switch
from
STBY
to
ON.
b. Verify
the
following:
1.
A display
"starburst"
is
shown
in all 12-character positions
for
about
one
second.
2.
The selected address
of
the
instrument
interface
is
displayed
for
about
one
second.
3.
The display shows "00000000" and an
arrow
appears
over
the
"A"
for
"A"
channel.
c.
Record
the
result
on
the
test card (Pass/Fail).
II. CHANNEL A FREQUENCY RESPONSE AND SENSITIVITY TEST (HP 5384A/HP 5385A)
Description:
A signal
generator
with
a calibrated
output
is
set
to
the
specified
HP
5384A/HP 5385A channel A
minimum
signal sensitivity level. The
frequency
is
slowly increased
from
10 Hz
up
to
20
MHz
at a
constant level. The
HP
5384A/HP 5385A reading
is
checked
for
the
proper
count.
For
the
range
of
20
MHz
to
100
MHz,
a
different
generator
is
used.
4-1
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