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1180026-XXX Datasheet, PDF (1/4 Pages) CTS Corporation – 20.000 MHz OCXO Stratum 3E
1180026-XXX
20.000 MHz OCXO
Stratum 3E
♦Frequency Stability to Stratum 3E of GR-1244
♦Recommended for or use with Zarlink
SONET/SDH System Synchronizer Chip Sets
♦+3.3Vdc or +5.0Vdc Operation
♦Precision Low Aging “SC” Cut Crystal
♦Through-Hole or Surface Mount Configuration
♦RoHS Compliant
Electrical Characteristics
Parameter
Power Requirements
Power Supply ¹
Sym
Conditions
Vcc
± 5%
± 5%
Min
3.135
4.75
Turn-On Power
Pmax Vcc = Max. Std. Load
Steady State Power
Start-Up Time
Warm-Up Time
Frequency Stabilities
Center Frequency
Initial Tolerance
Frequency vs. Temperature
Frequency vs. Voltage
Frequency vs Time (Aging)
24 Hour Holdover Stability
Total Free-Running
Accuracy
Waveform: HCMOS Output
Symmetry
Amplitude
Rise/Fall Times
Load
Sub-Harmonics
Phase Noise
Pss
Tsu
Twu
fnom
fcal
∆f/∆Temp
∆f/∆Vcc
∆f/∆Time
∆f/24Hr
∆f/Life
Sym
Vo
tr, tf
RL
Vcc = Max Std. Load @ +25°C
To 90% Amplitude
To meet full spec @ +25°C
Ta = +25°C (At time of Shipment)
Operating Temperature ¹
Vcc ± 5%
per Day
20 years
Inclusive of Temperature, Supply
Variation and 24 hours Aging
All Conditions for 20 years
(Reference to fnom)
@ 50% Level
Logic “1”
Logic “0”
20% to 80%
Output to Ground
Offset = 1 Hz
10 Hz
100 Hz
1 KHz
10 KHz
40
0.9Vcc
Typical
3.30
5.0
3.5
1.5
20.000
± 0.3
±6
±1
±1
±8
50
4
10KΩ // 15pF
-70
-103
-130
-140
-142
Max
3.465
5.25
4.0
50
15
± 0.5
±8
± 1.5
± 10
± 2.1
60
0.1Vcc
7
-25
-60
-100
-125
-130
-135
Unit
Vdc
Vdc
W
W
mSec
minutes
MHz
ppm
ppb
ppb
ppb
ppm
ppb
ppm
%
V
V
nSec
dBc
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
1 See Dash Number Table for Voltage and Operating Temperature
♦♦♦ CTS ♦ 171 Covington Dr. ♦ Bloomingdale, IL 60108 ♦ 800-757-6686 ♦ www.ctscorp.com ♦♦♦
REVISION X4
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