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ISOTEMP

OCXO821 Datasheet Preview

OCXO821 Datasheet

oscillators

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Features:
Typical 50.8 x 50.8 x 26.2 mm.
SC-Cut Crystal
Stratum 3E Performance
High Stability; Low Phase Noise
Sine Wave or CMOS output; Fast Warm-up
The OCXO 82 series oscillators are currently our most popular
models because of the price and performance options available.
The package is a hermetically sealed printed circuit board mount
with optional chassis mounting upon request. Applications include
telecommunication products such as Stratum 3E clocks as well as
base station frequency references for cellular, CDMS, TDMA,
GSM, and paging. Other uses include GPS navigation and
instrumentation.
Ordering Information
OCXO
Package
(mm)
Supply
Voltage
(V)
Pulling
Range
(ppm)
Freq.
Stability
(ppb)
Temp.
Range
(ºC)
Output Logic and Symmetry
Oscillator
Mode
Pin Out
Lead Free
Freq.
(MHz)
82 Series L: 50.8
12.0
±0.2
± 2 0~+50
Output
Symmetry
* Not
Normal
RoHS
XX.XXXXXX
W: 50.8
±0.4 ± 5 0~+70 CMOS15pF 50±5% selectable
Compliant
H: 26.2
± 10 -30~+70 Sine Wave
± 20
by
customer
Please refer
to "OUTLINE
Not RoHS
Compliant
± 30 DRAWING"
Ordering Example: OCXO 82 Series; 12V; pulling range: ±0.2 ppm; Freq. Stability: ± 10ppb; Temp. Range: -30ºC to 70ºC;
Sine Wave, Pin Out: Normal; RoHS Compliant; Freq. 5.000000MHz.
Outline Drawing
Freq. Stability vs. TEMP. Range
ppb ±2
±5
Temp. (ºC)
0 to +50
 
0 to +70
 
-30 to +70
X

= Standard = Available (case by case) X = Not available
PIN CONNECTIONS
PIN FUNCTION
1 + VDC
2 R.F. OUTPUT
3 0 VOLTS & CASE
4
(See Note 1)
VCO INPUT
or
NOT CONNECTED
Note1: If the specification does not specify
parameters for PIN4 is not internally
CONNECTED.
1
INCH
mm (Reference only)
Contact e-mail: info@isotemp.com for special request
1




ISOTEMP

OCXO821 Datasheet Preview

OCXO821 Datasheet

oscillators

No Preview Available !

Electrical Specification
Output
Frequency
Wave Form
Level “1”
Level “0”
Load
Spurious
Frequency Stability
Ambient
Operating Temperature
Aging *
At time of shipment
After indefinite storage
Daily
Yearly
10 Years
Voltage
Warm-up
Min.
Nominal
Max.
Note
8.192
Rectangular
4.4
0.4
3
-60
±10
Referenced to +30 ºC
0 +60
±1.0
±1.0
±100
±400
±5.0
±20
Per day
After 30 days
±10% Change
In 30 minutes @ +25 ºC
(Reference to 4 hours)
Phase Noise @ 8.192 MHz
@ 10 Hz
-120
@ 100 Hz
-140
@ 10 kHz
-150
Mechanical Frequency Adjustment
Range
0.4
Control
Multi-turn trimmer
Input Power
Voltage
10.8 12 13.2
@ turn on, current
400
Steady state @25ºC
2.0
* All aging stabilities are after storage of up to one year and apply after 30 days of continuous operation.
The daily aging rate also applies at the time of shipment from factory.
** The electronic frequency adjustment range is sufficient for the life of the oscillator specifications subject to change with frequency.
Available Frequency Range: 5 MHz to 80 MHz Including 5.0, 10.0, 16.384, 19.44, 24.576,24.704 and 32.768 MHz
Unit
MHz
V
V
TTL
dBc
ppb
ºC
ppb
ppb
dBc
±ppm
V
mA
W
1
Contact e-mail: info@isotemp.com for special request
2


Part Number OCXO821
Description oscillators
Maker ISOTEMP
Total Page 2 Pages
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