CRYSTAL OCXOVST Oven controlled crystal oscillator Datasheet

OCXOVST Oven Controlled Crystal Oscillator
HC-MOS Output
5 V Power Supply
FREQUENCY STABILITY
FREQUENCY STABILITY
OVERALL INCLUDED LONG
TERM AGING 15 YEARS:
Stratum 3
up to 40 MHz
NOTE 1
< ±4.6 ppm
OCXOVST-D
HOLDOVER STABILITY DURING
24 HOURS INCLUDING LOAD,
SUPPLY VOLTAGE AND TEMPERATURE VARIATION:
< ±0.28 ppm (0.56 ppm p-to-p)
TEMP. RANGE *
0 to +70 °C
OCXOVST-C
POWER SUPPLY
TEMP. RANGE *
SUPPLY INPUT:
INPUT CURRENT :
INPUT CURRENT :
-40 to +85 °C
Vcc = 5 V ±0.2 V *
< 70 mA @ +30 °C *
< 110 mA @ -20 °C *
FREQUENCY CONTROL RANGE
CONTROL VOLTAGE:
INTERNAL CALIBRATION:
NOTE 2
Not applicable, pin 1 must be
connected to ground (see note 2)
< ±1 ppm *
On request:
OUTPUT
OUTPUT SIGNAL:
SYMMETRY:
RISE AND FALL TIME:
LEVEL „0“ AND „1“:
FAN OUT (LOAD):
HC-MOS compatible
45 (min.) /55 (max.) % @ Vcc / 2 *
tr < 7ns tf < 7 ns *
< 0.4 V > Vcc –0.5 V
10 LS or 47pF max.
Possibility of frequency adjustment with control
voltage.
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
(see packaging info)
OCXOVST-C
12.800 MHz
01.25
12
Type
Frequency
(PIN 1)
Spec No.
Date Code
Piece No.
ORDERING INFORMATION EXAMPLE
WARM-UP
within spec after 30s @ 0°C *
< 250 mA during 10s
∆F/F:
CURRENT:
MISCELLANEOUS
SHORT TERM STABILITY:
PHASE NOISE (BW = 1Hz):
(typical, @ 10MHz in static
conditions)
*
MARKING EXAMPLE
< 5 E-10 0.1 s to 30 s
Typical 5 E-11 @ 1 s
1 Hz : - 70 dBc / Hz
10 Hz : -100 dBc / Hz
100 Hz : -130 dBc / Hz
1 kHz : -140 dBc / Hz
O C X O VST
-
C
12.8 MHz
Oscillator Type
OCXO = Oven Controlled
Crystal Oscillator
Oscillator Version
V = low power voltage 5V
ST = Stratum 3 application
xxx
N° of
customer
spec.
Oscillator output
frequency
Temperature Range
C = -40 to +85°C
D = 0 to +70°C
Customer’s specification on request
STANDARD FREQUENCIES (MHz)
12.8000
DATE:
16.3840
19.4400
20.0000
40.0000
June 2003
Revision No.: 2
Page 1/2
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
Div. of ETA SA
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
Fax
Internet
Email
+41 32 655 82 82
+41 32 655 80 90
www.microcrystal.ch
[email protected]
OCXOVST Oven Controlled Crystal Oscillator
HC-MOS Output
5 V Power Supply
Stratum 3
up to 20 MHz
Application and Test Circuit:
Adjustment with voltage
Adjustment with resistor
HC-MOS
TTL
Oscilloscope
or
Counter
HC-MOS
Vcc
TTL
Oscilloscope
or
Counter
R load
2k
A
R load
2k
A
D1
D1
8
14
8
14
D2
Vcc
Vcc
V
1
Cd2
7
Cd1
C load
*
15pF
D2
Vcc
D3
V
1
Cd2
7
Cd1
Radj
(0–10kohms)
Vc
D4
V
C load
*
15pF
D3
D4
low thermal
coefficient
Waveform Output:
Waveshape TTL
tf
Waveshape HC-MOS
tf
tr
tr
Vcc
Vcc
Vcc - 0.5V min.
(Except 12V: 5V-0.5V min.)
2.4V min.
1/2 Vcc
1.4V
Gnd + 0.4V max.
Gnd
T1
0.4V max.
T2
Gnd
T1
T2
Duty Cycle = 100 ×
DATE:
T1
[%]
T1 + T 2
June 2003
Revision No.: 1
Page 2/2
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
Div. of ETA SA
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
Fax
Internet
Email
+41 32 655 82 82
+41 32 655 80 90
www.microcrystal.ch
[email protected]
Similar pages