OCXOT
Oven Controlled Crystal Oscillator
HC-MOS Output
12 V Power Supply
FREQUENCY STABILITY
OVER:
OPERATING TEMP. RANGE :
LONG TERM AGING 1ST YEAR:
10 YEARS:
SUPPLY VOLTAGE ± 0.5 V
LOAD ±10%:
NOTE 1
see note 1
< ±0.7 ppm *
< ±4.0 ppm *
< ±0.1 ppm *
< ±0.01 ppm
POWER SUPPLY
Vcc = 12 V ±0.5 V *
< 25 mA @ +30 °C *
< 40 mA @ -20 °C *
SUPPLY INPUT:
INPUT CURRENT :
INPUT CURRENT :
Tight Stability
up to 40 MHz
TEMP. RANGE *
STABILITY *
OCXOT-AR1, AV5
0 to +60 °C
±0.05 ppm
(0.1 ppm peak to peak)
TEMP. RANGE *
STABILITY *
OCXOT-BR1, BV5
-20 to +70 °C
±0.1 ppm
(0.2 ppm peak to peak)
TEMP. RANGE *
STABILITY *
OCXOT-CR1, CV5
-40 to +85 °C
±0.2 ppm
(0.4 ppm peak to peak)
FREQUENCY CONTROL RANGE
CONTROL VOLTAGE:
FREQUENCY DEVIATION:
RESPONSE SLOPE:
see note 2
> ±4 ppm *
positive
NOTE 2
OCXOT-AR1, BR1, CR1
ADJUSTMENT
WITH RESISTOR
(connected to ground)
INPUT IMPEDANCE
OUTPUT
OUTPUT SIGNAL:
SYMMETRY:
RISE AND FALL TIME:
LEVEL „0“ AND „1“:
FAN OUT (LOAD):
HC-MOS compatible
40 (min.) /60 (max.)
% @ Vcc / 2 *
tr < 7ns tf < 7 ns *
< 0.4 V > 5 V –0.5 V
10 LS
-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)
WARM-UP
ΔF/F:
CURRENT:
within spec after 30s @ 0°C *
< 250 mA during 10s
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
1 Hz : - 60 dBc / Hz
10 Hz : - 90 dBc / Hz
100 Hz : -120 dBc / Hz
1 kHz : -130 dBc / Hz
Customer’s specification on request
> -4.7 kΩ
OCXOT-AV5, BV5, CV5
ENVIRONMENT
OPERABLE TEMP. RANGE:
STORAGE TEMP. RANGE:
VIBRATION:
SHOCK:
PACKAGE:
PACKAGE HEIGHT:
0 to 10 kΩ
ADJUSTMENT
WITH VOLTAGE
0 to 5 V
INPUT IMPEDANCE
> 47 kΩ
MARKING EXAMPLE
OCXOT-BV5
20.000 MHz
{
Type
Frequency
{ (PIN 1)
01.25
12
Spec No.
Date Code
Piece No.
ORDERING INFORMATION EXAMPLE
O C X O
T
-
B V 5
20 MHz
Oscillator Type
OCXO = oven controlled
Crystal Oscillator
xxx
N° of
customer
spec.
Oscillator output
frequency
Oscillator Version
T = tight tolerance
Temperature Range
A = 0 to +60°C; +/-0.05ppm
B = -20 to +70°C: +/-0.1ppm
C = -40 to +85°C; +/-0.2ppm
X = custom spec.
Frequency Adjustment
R1 = external resistor
V5 = voltage 5V
Y = custom spec.
STANDARD FREQUENCIES (MHz)
10.0000
40.0000
DATE:
12.8000
16.0000
16.3840
19.4400
20.0000
June 2003
Revision No.: 7
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]
OCXOT
Oven Controlled Crystal Oscillator
HC-MOS Output
12 V Power Supply
Tight Stability
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.: 6
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]