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OCXO 143-1002
www.isotemp.com www.taitien.com
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
DWN. BY APV. BY
DATE
JTL TST 08-24-2011
1. OUTPUT(PIN = "R.F. OUTPUT")
1.1. Frequency
1.2. Initial Accuracy
a. @ Temperature
b. After time on power
c. Within time period
following date code
d. @ VCO Input voltage
1.3. Waveform
1.4. Level
a. "1" level
b. "0" level
1.5. Load
1.6. Duty cycle
1.7. Spurious
2. FREQUENCY STABILITY
2.1. Ambient
2.2. Aging
a. At time of shipment
b. After indefinite storage
i. Daily
ii. Yearly
iii.10 years
2.3. Voltage
2.4. Short term
2.5. Load
2.6. Warm-up
2.7. Phase Noise
a. @ 1 Hz
b. @ 10 Hz
c. @ 100 Hz
d. @ 1 kHz
e. @ 10 kHz
13.000000 MHz
< ±2x10-7
+25 ±1C
30 ±5 minutes
90 days
+2 ±0.001 V
Rectangular
HCMOS
> Vcc - 0.6 V
< +0.4 V
15 pF
45% to 55%@ +2.5 V
< -60 dBc
< ±1x10-8, 0C to +70C
(referenced to +25C)
< ±1x10-9/day
< ±1x10-9 after 30 days
< ±1x10-7
< ±4x10-7
< ±1.5x10-8/±5% change
< 5x10-11/second
root Allan variance
< ±5x10-9/±5% change
< ±2x10-8 in 5 minutes @ +25C
(referenced to 1 hour)
< -80 dBc
< -120 dBc
< -140 dBc
< -145 dBc
< -150 dBc
OUR PERFORMANCE
YOUR REPUTATION
MODEL NO.
OCXO 143-1002
PAGE OF TOTAL
12
DWG. NO. REV.
114-1480
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OCXO 143-1002
www.isotemp.com www.taitien.com
3. ELECTRICAL FREQUENCY ADJUSTMENT (PIN = "VCO INPUT")
3.1. Range
> ±8x10-7
< ±2x10-6
Referenced to frequency at nominal Center Voltage
3.2. Control
0 to +4 V
3.3. Slope
Positive
3.4. Center Voltage
+2 V
NOTE: When not connected, VCO INPUT is internally held at this voltage.
3.5. Linearity
3.6. Input impedance
< ±10%
> 100 kΩ
4. INPUT POWER (PIN = "+VDC")
4.1. Voltage
4.2. Current
4.3. Steady state
+5 V ±5%
< 850 mA @ turn on
< 1.5 Watts @ +25C
5. ENVIRONMENTAL
5.1. Storage temperature
5.2. Vibration (non-operating)
5.3. Shock (non-operating)
-40C to +85C
MIL-STD-202, Method 201 (0.06"
Total p-p, 10 to 55 Hz)
MIL-STD-202, Method 213, Test
Condition J (30 g, 11 ms half-sine)
6. RoHS
All units supplied under this MODEL NUMBER are RoHS compliant.
7. MECHANICAL(Outline drawing)
7.1. Applicable series
7.2. Model number
7.3. Outline drawing
OCXO 143 series
OCXO 143-1002
125-608
OUR PERFORMANCE
YOUR REPUTATION
MODEL NO.
OCXO 143-1002
PAGE OF TOTAL
22
DWG. NO. REV.
114-1480
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MOD:
FREQ.:
S/N:
DATE:
(VIEW FROM TOP)
MARKING THIS
SURFACE
0.026
0.66
0.539 MAX.
13.69
0.20 MIN.
5.08
PIN CONNECTIONS
PIN FUNCTION
1 R. F. OUTPUT
2 0 VOLTS & CASE
3
VCO INPUT
or
(See Note 1) NOT CONNECTED
REFERENCE VOLTAGE
4 or
(See Note 1) NOT CONNECTED
5 +VDC
Note 1. If the specification does not specify
parameters for either PIN3 or PIN4 then that
respective PIN is NOT internally CONNECTED.
GLASS STANDOFF
(4 PLACES)
0.750
19.05
CENT.
0.031 DIA. PIN (5 PLACES)
0.80
3
2
CL
1
4
0.750 CENT.
19.05
1.015
25.78 SQ. MAX.
5
MARKING
MOD:
FREQ.:
S/N:
DATE:
MOD:
FREQ.:
S/N:
DATE:
(VIEW FROM BOTTOM)
NUMBERS FOR REFERENCE ONLY
(NOT STAMPED ON UNIT)
INCH
mm (REFERENCE ONLY)
Form NO. 120-081E
OSCILLATORS
NAME: OUTLINE DRAWING
(OCXO 143 SERIES)
CODE I.D. NO.
31785
Charlottesville, Virgina USA
SCALE: 2:1
DATE: 09-09-2002
DWN. BY: LRB
APPR'D. BY: TST
A 0.539 / 13.69 MAX. W AS 0.55 / 13.97 MAX.
B UPDATED MARKING .
LET REVISION
DA G
BTG
BTG 10-27-2003
TST 02-13-2009
BY APP DATE
TOLERANCES
UNLESS OTHERWISE SPECIFIED:
ANGES: ±1 DEGREE
FRACTIONS: ±1/32 INCH
DECIMALS: .XX ± .015, .XXX ± .010 INCH
MATERIAL: STEEL
FINISH: NICKEL
MARK: LABEL