Model 5340A
General Information
Table 1
-
3. Specifications (Continued)
OPTIONAL TIME BASE (Option
001)
Option 001 provides an oven controlled crystal oscillator time base with an aging
rate
near that of
a
time standard. This option results in better accuracy and longer periods
between calibration. A separate power supply keeps the crystal oven
ON
and up to
temperature when the instrument
is
turned off
as
long
as
it
remains connected to the
power line.
Frequency:
10 MHz.
Aging Rate:
<*5
x 10-’O/day
after
24 hour warm
-
up’ and <1.5 x 10-7/year.
Short Term Stability:
1
x 10+0 for
1
s
avg. time
1
x
2
x
for 10
s
avg. time.
for 100
s
avg. time.
Line Variation:
<1
x
Temperature:
<7
x over 0°C to 50°C range.
Warmup:
Within
5
x 10-9 of final2 value
20
minutes after turn
-
on,
at
25°C.
Frequency Adjustment Range:
>1
x
Frequency Adjustment:
1
x (0.01 Hz) 18
-
turn control.
for
*lo% change from nominal. A 10% change will cause a
frequency change of
<1
x 104 for
<2
min.
(>*lo
Hz from 10 MHz) with 18
-
turn control.
GENERAL
Accuracy:
*l count
f
time base error.
Resolution:
Front panel switch selects
1
MHz,
100
kHz,
10
kHz,
1
kHz, 100
Hz,
10 Hz,
Display:
Eight in
-
line long life display tubes with positioned decimal point and
or
1
Hz.
appropriate measurement units of
kHz, MHz, or GHz.
“DIR” lamp indicates measurement
is
direct.
“LOCK” lamp indicates phase
-
lock has been achieved and measurement
GATE” lamp indicates measurement
is
in progress.
“RMT” lamp indicates instrument
is
controlled via external or remote device.
technique
is
indirect.
“OVFL” indicates most significant digits will not be displayed. Digits displayed
when
“OVFL”
is
lighted are accurate
*1
count
*
time base accuracy.
“OVFL”
is
necessary for some high frequency measurements where resolution
of 100 Hz,
10
Hz, or
1
Hz
is
required.
“*”
lamp indicates Option
001
crystal
oven
time
base
is
in
the
process
of
warming
up (10
-
15 min. approximately). (The lamp will remain on for longer periods of time
if the line voltage is low.)
Self-check:
Counts and displays
10
MHz for resolution chosen.
Sample Rate:
Controls time between measurements. Continuously adjustable from
50 milliseconds typical
to
5 seconds. Hold position holds display
indefinitely. Reset button resets display to zero and activiates
a
new measurement
Operating Temperature:
0”
to 50°C.
Power:
115V or 230V *lo%,
50
-
60
Hz, 100 VA.
Weight:
Net: 25 lb. (11, 3kg). Shipping:
31
lb. (14, lkg).
,I
’For oscillator off
-
time less than 24 hours.
2Final value is defined asifrequency 24 hours after turn
-
on.
i
I
1
-
4
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