Model 118
1”x1” Stratum 3E OCXO
♦Frequency
Stability to Stratum 3E of GR-1244
♦Low
Phase Jitter: <1pSec
♦+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
Turn-On Power
Steady State Power
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
Electrical Freq Adjust Option
Waveform: HCMOS Output
Symmetry
Amplitude
Rise/Fall Times
Load
Sub-Harmonics
Phase Noise
Offset = 1 Hz
10 Hz
100 Hz
1 KHz
10 KHz
-70
-105
-130
-140
-142
Sym
Vo
tr, tf
RL
@ 50% Level
Logic “1”
Logic “0”
20% to 80%
Output to Ground
40
0.9Vcc
0.1Vcc
4
10KΩ // 15pF
-25
-60
-95
-125
-130
-135
dBc
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
7
50
60
%
V
V
nSec
Vcc
Pmax
Pss
Twu
±
5%
±
5%
Vcc = Max., Std. Load
Vcc = Max, Std. Load @ +25°C
To meet full spec @ +25°C
3.135
4.75
3.30
5.0
3.5
1.5
15
3.465
5.25
4.0
Vdc
Vdc
W
W
minutes
Sym
Conditions
Min
Typical
Max
Unit
f
nom
f
cal
∆f/∆Temp
∆f/∆Vcc
∆f/∆Time
∆f/24Hr
∆f/Life
∆f/Vc
Ta = +25°C (At time of Shipment)
Over Operating Temperature
Vcc
±
5%
per Day
20 years
Inclusive of Temperature, Supply
Variation and 24 hours Aging
All Conditions for 20 years
(Reference to f
nom
)
Vc = 0 V to Vcc
10.0
10, 12.8, 16.384,
19.44, 20, 25, 26
±
0.2
±
6
±
1
±
1
±
8
38.88
±
0.5
±
8
MHz
ppm
ppb
ppb
±
1.5
±
10
±
2.1
ppb
ppm
ppb
ppm
ppm
±0.75
♦♦♦
CTS
♦
171 Covington Dr.
♦
Bloomingdale, IL 60108
♦
800-757-6686
♦
www.ctscorp.com
♦♦♦
REVISION X3
Page 1 of 4
Model 118
1”x1” Stratum 3E OCXO
Environmental and Mechanical Requirements
Storage Temperature :
Reflow Soldering :
Shock :
Vibration :
Case :
Seal :
Surface Mount Base :
MSL :
6/6 RoHS Compliance :
-55°C to +125°C
Will withstand 240°C for 20 seconds
50 G’s 11 ms, Pulse, 3 shocks per axis
10G’s Peak, 20 to 2000 Hz
Dual-in-Line
Resistance Weld
High Temperature FR-4
1
This product is fully compliant to RoHS Directive 2002/95/EC
Model 118 Standard Options
Frequency in MHz
Model 118
-
___.________
Example: 118LBFT-20.000
Supply Voltage
L = +3.3Vdc
S = +5.0 Vcc
Op. Temp.Range
A = 0°C to +70°C
B = -40°C to +85°C
Elect. Freq Control
F = Fixed – No Adjust
V = Electrical Freq. Control
Package Style
T = Through-Hole
S = Surface Mount
♦♦♦
CTS
♦
171 Covington Dr.
♦
Bloomingdale, IL 60108
♦
800-757-6686
♦
www.ctscorp.com
♦♦♦
REVISION X3
Page 2 of 4
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