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OCXO 145-1001
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. @ 10 Hz
b. @ 100 Hz
c. @ 1 kHz
d. @ > 10 kHz
13.000000 MHz
< ±2x10-7
+25 ±1C
30 ±5 minutes
90 days
+2.0 ±0.001 V
Rectangular
HCMOS
> Vcc - 0.5 V
< +0.5 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
< ±2x10-9/±5% change
< 5x10-11/ second
root Allan variance
< ±2x10-9/±10% change
< ±5x10-8 in 5 minutes @ +25 ±1C
(referenced to 1 hour)
< -115 dBc
< -130 dBc
< -140 dBc
< -150 dBc
OUR PERFORMANCE
YOUR REPUTATION
MODEL NO.
OCXO 145-1001
PAGE OF TOTAL
12
DWG. NO. REV.
114-1479
-

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OCXO 145-1001
www.isotemp.com www.taitien.com
3. ELECTRICAL FREQUENCY ADJUSTMENT (PIN = "VCO INPUT")
3.1. Range
> ±8x10-7
< ±2.4x10-6
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%
< 600 mA @ turn on
< 1.2 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 145 series
OCXO 145-1001
125-634
OUR PERFORMANCE
YOUR REPUTATION
MODEL NO.
OCXO 145-1001
PAGE OF TOTAL
22
DWG. NO. REV.
114-1479
-

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(VIEW FROM TOP)
MOD:
FREQ.:
S/N:
DATE:
MARKING THIS
SURFACE
MARKING
MOD:
FREQ.:
S/N:
DATE:
MOD:
FREQ.:
S/N:
DATE:
0.433 MAX.
11.0 0
PIN CONNECTIONS
PIN FUNCTION
1
VCO INPUT
or
(See Note 1) NOT CONNECTED
REFERENCE VOLTAGE
2 or
(See Note 1) NOT CONNECTED
3 +VDC
4 R. F. OUTPUT
5 OVEN MONITOR
(See Note 1)
or
NOT CONNECTED
6 0 VOLTS & CASE
7 0 VOLTS & CASE
Note 1. If the specification does not specify
parameters for either PIN1, PIN2, or PIN5 then that
respective PIN is NOT internally CONNECTED.
RECOMMENDED SOLDER PAD LAYOUT
1 .000
2 5.40
0.154
3 .56
0.1 00
2.5 4
0.7 00
0.300 17.78
7.62 0.870
2 2.1
0.13 0
3.30
0.300 0.700
7.62 17.78
0.1 00
2.5 4
(VIEW FROM BOTTOM)
Numbers for reference only. (Not st amped on unit)
0 .926
2 3.50
INCH
mm (REFERENCE ONLY)
Form NO. 120-081E
OSCILLATORS
NAME: OUTLINE DRAWING
(OCXO 145 SERIES)
CODE I.D. NO.
31785
Charlottesville, Virgina USA
SCALE: 2:1
DATE: 01-30-2008
DWN. BY: BTG
APPR'D. BY: TST
A MAX HEIGHT WAS .500/12.70
B MAX HEIGHT WAS .472/11.99
LET REVISION
BTG
BTG
BY
JRD
TST
APP
03-03-2008
10-21-2010
DATE
TOLERANCES
UNLESS OTHERWISE SPECIFIED:
ANGES: ±1 DEGREE
FRACTIONS: ±1/32 INCH
DECIMALS: .XX ± .015, .XXX ± .010 INCH
MATERIAL: STEEL
FINISH: NICKEL
MARK: LABEL