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Model 5315A/B
Performance
Tests
4-6
Table
4-2.
In-Cabinet Performance Test (Continued)
III.
PERIOD
Specifications:
25
mV rms,
10 ns to 105 seconds
a.
Set
5315A
/
B controls as
in
Test II
,
step la
,
with Function
Set (Blue bUllon
)
to
IN.
b.
Re peat
Test
II
, step
lb.
c.
Vary HP 3312A
from 0.1
Hz to
10
M Hz,
maintaining
10
mV rms (about 30 mV pop
)
input
amplitude. Counter shou
ld
properly display the period of the frquencies in this range.
Disconnect HP
3312A.
d. Connect
HP
8654 to HP
5315A/
B
INPUT
A through
a 50-ohm
feedthrough.
Vary
HP 8654A
from
10
MHz
to
100
MHz,
maintaining 25 mV rms
(abour
70 mV
pop)
input
amplitude.
Counter should properly
display
the period
of
the
freque ncies
in this
range.
Record
on
test card
.
Disconnect HP 8654A.
IV.
TIME
INTERVAL
and
nME INTERVAL AVERAGE
a.
Set
53l5A/B controls as
follows:
TRIGGER
lEVEUSENSITIVITY
........
.
SENSI TIVITY
(IN)
CH A&B TRIG
l
Vl
/SENS potentiometers .........
.
.......
fu
lly
CW
CH
A&B
ACIDC ................
..
..................
DC (I
N)
CH
A&B ATTN
XlIX20 ..............
.
.....
.
...
.
....
.
..
Xl
(OUT)
FilTE
R
NORM/
100 kHz
.
.
...
.
.
....
..
FilTER
NORM
(OUT)
SEP/COM A
........
.
.
..
..
.
...
.
........
:
.... COM A
(IN)
CH
A
SLOPE
........................
•
..
.
......
(OUT)
CH B SlOPE....
.
......................
..
.
...
....
(IN)
FUNCTION SELECT
.
............
.
...
.
...
.......
T.1.
A-B
FUNCT ION
SHIFT (BLUE
button)
........................... OUT
b
.
Repeat Test II, step
lb.
c.
Set 3312A
fo
r
5
M
Hz
output at 250 mV
rm
s
(-710
mV pop).
Observe display for
100
nano-
seconds ±100
nanoseconds. Record on test card.
d. Push
function
set (Blue
bUllon
)
IN, for
T.1.
AVE
A- B.
Counter
should
display
one half
the
period
o
f
input
signa
l.
For
example,
with
a 5
M
Hz
input
signa
l the coun
ter
should
display
100
nanoseconds.
V.
TIME
INTERVAL
HOlDOfF
(DELAY)
a.
Repeat Test I
II
,
steps
a and
b. Set
HP
3312A
10 output a
S.OOXX
kH
z (200.0XX
ns period
)
sine
wave
at
100
mV
rms (about
300
mV pop).
b. Press the T.r.
A-B
and
T.1.
DELAY
IN
simultaneously;
press
FUNCTION
SET
(Blu
e
bUllon
)
IN.
c.
Set
Channel
A
SLOPE
10
leading
(
J
)
and Channe
l
B
SLOPE
to
trailing
(
"'\...
).
d.
Adjust the
GATE TIME knob clockwise until display
reads
600
microseconds.
e.
Press T.1. DELAY
IN
and
FUNCTION
SET (Blue
button)
OUT. Counter should display
700 microseconds
±
l
SD
±
Start
Trigger Error
±
Stop
Trigger
Error
±
(time
base
error)
error)
x
T.I.
Record on
test card.
Disconnect
test
equipment.
VI.
RATIO
a.
Repea
t
Test II,
step
la.
Press RATIO
Al
B
and
SEP/
COM A
in
COM
A.
b.
Set
HP 331M
to
output
5
MHz sine wave at 100
mY rms
(about
300 mY p-p). Counter
should
display
1.00000.
Record
on
test card.
VII.
TOTALIZE
a.
Repeat
Test
VI, step
a. Press Function
Set
(Blue bUllon
)
IN.
b.
Counter's
display
should
be
1.
Record
on test
card.
c.
Press Function
Set
(Blue button
)
OUT.
Press
TOT STOP button
IN.
d
.
Press Function
Set
IN
and OUT
once.
Counter
should display
total
number of
pulses
counted
and the GATE
light
should
be
off.
Record on
test card.
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