OCXOWS
Oven Controlled Crystal Oscillator
Sine Wave Output
3.3 V Power Supply
FREQUENCY STABILITY
OVER:
OPERATING TEMP. RANGE :
LONG TERM AGING 1ST YEAR:
10 YEARS:
SUPPLY VOLTAGE
±
0.2 V
LOAD
±
10%:
see note 1
<
±
0.7 ppm
*
<
±
4.0 ppm
*
<
±
0.1 ppm
*
<
±
0.01 ppm
Tight Stability
up to 20 MHz
OCXOWT-AR1, AV3
0 to +60 °
C
±
0.075 ppm
(0.15 ppm peak to peak)
OCXOWT-BR1, BV3
-20 to +70 °
C
±
0.15 ppm
(0.3 ppm peak to peak)
OCXOWT-CR1, CV3
-40 to +85 °
C
±
0.25 ppm
(0.5 ppm peak to peak)
NOTE 1
TEMP. RANGE *
STABILITY *
POWER SUPPLY
SUPPLY INPUT:
INPUT CURRENT :
INPUT CURRENT :
Vcc = 3.3 V
±
0.15 V
*
< 110 mA @ +30 °
*
C
< 170 mA @ -20 °
*
C
TEMP. RANGE *
STABILITY *
TEMP. RANGE *
STABILITY *
FREQUENCY CONTROL RANGE
CONTROL VOLTAGE:
FREQUENCY DEVIATION:
RESPONSE SLOPE:
see note 2
>
±
4 ppm
*
positive
NOTE 2
OCXOVS-AR1, BR1, CR1
ADJUSTMENT
WITH RESISTOR
(connected to ground)
INPUT IMPEDANCE
ADJUSTMENT
WITH VOLTAGE
INPUT IMPEDANCE
0 to 10 k
Ω
> -4.7 k
Ω
OCXOVS-AV3, BV3, CV3
0 to 3.3 V
> 47 k
Ω
OUTPUT
OUTPUT SIGNAL:
HARMONICS:
SPURIOUS:
OUTPUT IMPEDANCE:
LEVEL / LOAD:
≤
20MHz
> 20MHz
Sine wave
-10 dBc *
-70 dBc
*
50
≥
4 dBm / 50
≥
0 dBm / 50
ENVIRONMENT
OPERABLE TEMP. RANGE:
STORAGE TEMP. RANGE:
VIBRATION:
SHOCK:
PACKAGE:
PACKAGE HEIGHT:
-40 to +85 °
C
-65 to +125 °
C
10 to 2000 Hz / 10 g
2000 g, 0.3 ms, ½ sine
DIL 14, 4 pins, GND to case
8 mm
(packaging info)
MARKING EXAMPLE
Micro Crystal
OCXOWS-BV3
20.000 MHz
09.25
12
Micro Crystal
Type
Frequency
(PIN 1)
Spec No.
Date Code
Piece No.
WARM-UP
∆
F/F:
CURRENT:
within spec after 30s @ 0° *
C
< 250 mA during 10s
ORDERING INFORMATION EXAMPLE
O C X O
Oscillator Type
WS
-
B V 3
20 MHz
xxx
N° of
customer
spec.
MISCELLANEOUS
SHORT TERM STABILITY:
PHASE NOISE (BW = 1Hz):
(typical, @ 10MHz in static
conditions)
*
< 5 E-10 0.1 s to 30 s
Typical 5 E-11 @ 1 s
10 Hz: -110 dBc / Hz
100 Hz: -135 dBc / Hz
1 KHz: -145 dBc / Hz
10 KHz: -150 dBc / Hz
OCXO
= Oven Controlled
Crystal Oscillator
Oscillator Version
W = low power voltage 3.3V
S = sine wave
Temperature Range
A = 0 to +60° +/-0.075ppm
C;
B = -20 to +70° +/-0.15ppm
C:
C = -40 to +85° +/-0.25ppm
C;
X = custom spec.
Oscillator output
frequency
Frequency Adjustment
R1 = external resistor
V3 = voltage 3.3V
Y = custom spec.
Customer’s specification on request
STANDARD FREQUENCIES (MHz)
10.0000
40.0000
12.8000
50.0000
16.0000
52.0000
16.3840
19.4400
20.0000
DATE:
October 2009
In accordance with our policy of continuous development and improvement,
we reserve the right to modify the design or the specifications of our products without prior notice.
Headquarters:
Micro Crystal AG
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
Fax
Internet
Email
Revision No.: 1
Page 1/2
+41 32 655 82 82
+41 32 655 80 90
www.microcrystal.ch
sales@microcrystal.ch
OCXOWS
Oven Controlled Crystal Oscillator
Sine Wave Output
3.3 V Power Supply
Application and Test Circuit:
Tight Stability
up to 20 MHz
Adjustment with voltage
Oscilloscope
or
Counter
Adjustment with resistor
Oscilloscope
or
Counter
A
8
A
8
14
14
Vcc
V
1
Cd2
Cd1
Vc
7
Load
(see page 1)
Vcc
V
1
Cd2
Cd1
Radj
(0–10kohms
)
7
Load
(see page 1)
V
low thermal
coefficient
DATE:
October 2009
In accordance with our policy of continuous development and improvement,
we reserve the right to modify the design or the specifications of our products without prior notice.
Headquarters:
Micro Crystal AG
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
Fax
Internet
Email
Revision No.: 1
Page 2/2
+41 32 655 82 82
+41 32 655 80 90
www.microcrystal.ch
sales@microcrystal.ch
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