OCXO
R A L T R O N E L E C T R O N I C S C O R P .
1 0 6 5 1 N . W . 1 9
t h
S t
M i a m i , F l o r i d a 3 3 1 7 2
U . S . A
.
phone: +001(305) 593-6033
fax: +001(305)594-3973
e-mail: sales@raltron.com
internet: http://www.raltron.com
LOW NOISE OCXO OX6749 MODEL
n
FEATURES
APPLICATIONS:
Low Noise OCXO
Excellent frequency stability
- SATCOM
Mechanical / Electrical frequency adjustment available
- BASE STATIONS
- TEST INSTRUMENTS
n
ELECTRICAL PERFORMANCE
PARAMETER
LOW NOISE OCXO
SC CUT CRYSTAL
Oscillator Supply voltage, nom.
12V 5%
Oven Supply voltage, nom.
12V 5%
Power dissipation steady state
3 Watt Max.
Heat up power
6 Watt Max
Heat up time. max.
(relative to 2 hours after turn
on, following 24 hours off)
3 min Max
(Measured at 25
C to within 0.1PPM of final frequency)
Frequency **
10MHz
Frequency Adjustment:
Electrical (0 to 10V)
Mechanical
0.6 PPM Min
Enough to compensate for 10 years of aging
0.01 PPM
Freq. stability vs. temperature
LZ: 0C to 70C
(Standard, contact factory for different temp ranges and stabilities)
Freq. stability vs. supply
changes
0.002 PPM Max for 5% Change
Freq. stability vs. load changes
0.002 PPM Max for 5% Change
Long term stability (Aging)
0.7 PPM Max for 10 Years
0.1 PPM Max for 1 Years
0.0005 PPM/Day Max.
Input Impedance Control
Voltage pin
10K
Output
Sine +7dBm
Harmonics, Sub Harmonics
-30dBc(Sine Output)
Spurious
-75dBc(Sine Output)
Short term Stability
1 E-11 /Sec
Phase Noise
(Sine Output 10MHZ)
Offset Phase Noise
10Hz -130 dBc/Hz
100Hz -152 dBc/Hz
1000Hz -160 dBc/Hz
10000Hz -165 dBc/Hz
100000Hz -165 dBc/Hz
n
** For Other frequency please consult with factory.
Note: All typical parameters for a 10MHz output and 12V supply. For different frequencies consult factory.
OCXO
R A L T R O N E L E C T R O N I C S C O R P .
1 0 6 5 1 N . W . 1 9
t h
S t
M i a m i , F l o r i d a 3 3 1 7 2
U . S . A
.
phone: +001(305) 593-6033
fax: +001(305)594-3973
e-mail: sales@raltron.com
internet: http://www.raltron.com
n
TYPICAL PHASE NOISE
n
HOW TO ORDER (PART NUMBER)
Example
:
OX 6 7 49 A LZ 1 - 10.000 12V
Frequency 10 MHz
Temp Stability = 1 x 10E-2 = 0.01 PPM
Operating Temp Range = 0C to +70C
Revision "A"
4=SERIES 4000, 9= 7 Pin Configuration
SC Cut crystal, Electrical & Mechanical
Output Sine Wave
Prefix: OCXO
Frequency Adjustment
Supply Voltage 12V
n
MECHANICAL SPECIFICATION
50.8 SQ.
3.8 Min.
1
3
6
7
4
1.0
1.50
0.75
19.0
38.0
H
2.00 SQ.
0.04
0.15 Min.
MARKING
AREA
5
2
1.50
38.0
0.75
19.0
15.9
B
A
0.625
0.125
3.2
HEIGHT, MAX. "H":
1.0" / 25.4mm
TRIMMER LOCATION:
A=0.80" / 20. 3mm
B=0.38" / 9.7
OUTLINE TOLERANCE:
0.015" / 0.4mm
PIN FUNCTIONS:
[1] OVEN GROUND
[2] OSC. SUPPLY VOLT.
[3] CONTROL VOLTAGE
[4] CASE / GROUND
[5] OSC. GROUND
[6] RF OUTPUT
[7] OVEN SUPPLY VOLT.
NOTE:
PIN 1,4,5 INTERNALLY
PDF 
ZIP