Ramsey Electronics COM 3 User Manual

AM Mode
Ranges
Accuracy
Display
1.2.3
Time Base
Characteristics
STANDARD OCXO
Accuracy + 1.0ppm
Aging rate t 2.5ppm/year
Oper. range 01050?
Stability t 1.0 ppm after
5 minutes at 25 °C
1.25 Frequency Counter Mode
Ranges
1.2.6 GENERAL
Operating temperature
Power requirements
Dimensions
Weight
1.2.7 OPTIONS
High stability timebase
12 VDC cigarette plug
Cordura travel case
Protective front cover
Side Handle
(Carrier frequency error only)
+1.5,+ 7.0 KHz
+5% of full scale
20 segment LED bargraph
HIGH
STABILITY
OCXO
+0.5
ppm,
+
0.25
ppm,
or
0.10
ppm
t
1.0
ppm/
year
01050^ C
ቷ 0.5 ppm after
10 minutes at 25 9 C
10
Hzto
1.0
KHz,
0.1
Hz
resolution
10
MHz
to
999.999 MHz, 1 KHz resolution
0to50?C
117 VAC, or12 VDC
12"Wx5.5"Hx14"D
13 Ibs
An oven controlled oscillator which increases the
accuracy to 0.5 ppm, 0.25 ppm, or 0.10 ppm
depending on which model is selected.
Allows
the
Com3
to
operate
from
a
car's
battery
A
rugged
carrying
case
made
from
black
Cordura
nylon,
with
a
convenient
zipper
pouch
for
holding schematics, probes etc.
Vacuum
formed
plastic
cover
for
protecting
the
Com
3's
front
panel.
Aside
mounted
handle
for
easy
transportation
of
the
Com
3.

Ramsey Electronics COM 3 Specifications

General

Brand	Ramsey Electronics
Model	COM 3
Category	Monitor
Language	English