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ISOTEMP

OCXO-131-45 Datasheet Preview

OCXO-131-45 Datasheet

CRYSTAL OSCILLATOR

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OCXO 131-45
P.O. BOX 3389
CHARLOTTESVILLE, VIRGINIA 22903
PHONE: (804) 295-3101
FAX: (804) 977-1849
CRYSTAL
OSCILLATOR
SPECIFICATION
This specification defines the operating characteristics of
an ovenized crystal oscillator. Long term stability is
assured through use of premium components.
REV.
-
DESCRIPTION OF REVISION
REQ. DWN.
BY BY
DATE
TST DWR 12-09-98
ISOTEMP RESEARCH INC. CODE ID. PART NO.
CHARLOTTESVILLE, VA.
USA 31785 OCXO 131-45
PAGE OF TOTAL DWG. NO. REV.
1 3 114-849 -




ISOTEMP

OCXO-131-45 Datasheet Preview

OCXO-131-45 Datasheet

CRYSTAL OSCILLATOR

No Preview Available !

OCXO 131-45
1. OUTPUT
1.1. Frequency
1.2. Waveform
1.3. Level
a. "1" level
b. "0" level
1.4. Load
1.5. Duty cycle
1.6. Rise/fall time
1.7. Spurious
19.440 MHz
Rectangular
HCMOS
> +4.6 VDC
< +0.3 VDC
3 HCMOS/TTL loads
40% to 60% @ +2.5 VDC
< 15 ns between 10% and 90%
of "1" level minus "0" level
< -60 dBc
2. FREQUENCY STABILITY
2.1. Ambient
< 2.8x10-7 window from -40°C to +70°C
Goal
< ±1.4x10-7 from -40°C to +70°C
(referenced to +25°C)
2.2. Aging
a. At time of shipment
< ±2x10-8/day
b. After indefinite storage
i. Daily
< ±1x10-8 after 30 days
ii. Yearly
< ±1 PPM
iii. 20 years
< ±4 PPM
2.3. Voltage
< ±3x10-8/±5% change
2.4. Warm-up (Referenced to frequency at 2 hours)
a. At -40°C
< ±5 PPM in 52 seconds
b. At +25°C
< ±5 PPM in 27 seconds
(20 seconds goal)
c. -40°C to +70°C
< ±1x10-7 in 5 minutes
2.5. Phase noise
a. @ 100 Hz
< -115 dBc
b. @ 10 kHz
< -145 dBc
3. ELECTRICAL FREQUENCY ADJUSTMENT
3.1. Range
3.2. Control
3.3. Slope
3.4. Center
3.5. Linearity
3.6. Input impedance
> ±10 PPM
< ±20 PPM (At time of shipment)
(Referenced to nominal frequency)
0 VDC to +5 VDC
Positive
+2.5 VDC ±0.5 VDC
(control voltage at which nominal
frequency occurs at time of shipment)
< ±20%
> 20 k
ISOTEMP RESEARCH INC. CODE ID. PART NO.
CHARLOTTESVILLE, VA.
USA 31785 OCXO 131-45
PAGE OF TOTAL DWG. NO. REV.
2 3 114-849 -


Part Number OCXO-131-45
Description CRYSTAL OSCILLATOR
Maker ISOTEMP
Total Page 4 Pages
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