Oven Controlled Crystal Oscillators   
See Drawing
SMD Package OCXO's
MODEL OV81  OV82 
FREQ' RANGE 10.00 to 100.00 MHz
CRYSTAL CUT SC AT
LONG TERM
STABILITY (AGING)
1 PPB Max. per day
100 PPB Max. per year
3 PPB Max. per day
500 PPB Max. per year
FREQ' STABILITY
VS. TEMPERATURE
See "How - To - Order" instructions
Typical: 0.2 PPM
Best: 0.05 PPM
Typical: 0.5 PPM
Best: 0.1 PPM
OUTPUT WAVEFORM
See "How - To - Order" instructions
HCMOS, TTL, Sine Wave +3dBm Min.
(Available up to +7dBm)
LOAD
3 Gates for logic output
50W for sinewave output
SUPPLY VOLTAGE See "How - To - Order" instructions
WARM UP TIME Typical: To within 0.15 PPM
from final frequency in 4 min @25C
SUPPLY POWER
(at 25c)
3.5W for warm-up
1.5W Max. at Steady State
FREQ' ADJUSTMENT
RANGE
Typical: 0.5 PPM Min.
by external voltage
Typical: 2.5 PPM Min.
by external voltage
Covers 15 years Aging
CONTROL
VOLTAGE RANGE
+0.5 to Vcc-0.5V
SLOPE Positive
LINEARITY 10% Max.
REFERENCE VOLTAGE Per customer requirement
PHASE NOISE
Typical Offset:
 -115 dBc at 10 Hz
 -135 dBc at 100 Hz
 -140 dBc at 1 KHz
 -150 dBc at 10 KHz
 -155 dBc at 100 KHz
Typical Offset:
 -100 dBc at 10 Hz
 -125 dBc at 100 Hz
 -135 dBc at 1 KHz
 -145 dBc at 10 KHz
 -150 dBc at 100 KHz
Available in different performance
Environmental Conditions
SHOCK
IEC 68-2-27 (Test Ea), 30G, 18 mSec, Half Sine
VIBRATION
IEC 68-2-6 (Test Fc), 0.35mm, 5G, 10-2000Hz, 6 cycles/ axis
THERMAL SHOCK
IEC 68-2-14 (Test Na), 30 min. in each extreme temperature

 

OV81, OV82

OV81,OV82

Pin Function
1

V control

2

Ref. Out

3

Vcc

4

RF Output

5

GND

Dimensions in mm.