119 SERIES
OCXO 22 X 25.4 mm
FEATURES
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Industry Standard 22 x 25.4mm SMT package
10 to 26 MHz
3.3V or 5.0V operation
Commercial or Industrial Temperature Range
LVCMOS or HCMOS Square Wave Output
Optional Sine Wave Output
Low Phase Noise
Optional Voltage Control
Optional Reference Voltage
Optional Enable Function
Tape and Reel Packaging
Fully compliant to RoHS Directive 2002/95/EC
DESCRIPTION
The CTS model 119 is a low cost, small size, high
performance OCXO. The high quality CTS Quartz
Crystal used in this OCXO offers high stability and
extremely low phase noise, making it the ideal
choice for any telecommunications system.
Applications:
Telecom Switching
Wireless Communication
ELECTRICAL SPECIFICATIONS
Parameter
Operating Conditions
Operating Temperature Range
Supply Voltage (Vcc)
Power Consumption
Load - Square Wave
Load - Sine Wave
T
OP
3.3V – Standard
5.0 V- Available
during warm up
steady state @ 25°
C
Output to Ground
Output to Ground
-40
3.135
4.75
-
-
5
45
-
3.3
5.0
-
-
10
50
85
3.465
5.25
4
1.5
15
55
°
C
Vdc
Vdc
W
W
pf
ohms
Conditions & Remarks
Min
Typical
Max
Unit
Frequency Stability
Standard Frequencies
Calibration
f
NOM
∆f/f
NOM
; T
A
=25°C;
at time of shipment @ 0.5 x Vref
(or 0.5 x Vcc if no Vref option)
0° to 70° ref. 25° Standard
C;
C
vs Temperature
-40° to 85° ref. 25°C Available
C;
vs Supply Voltage
vs Load
Aging
± 5%
± 10%
at time of shipment
first year
-
-
-
-
-
-
-
-
-
-
±20
±5
±1
±1
± 100
ppb
ppb
ppb
ppb/day
ppb/year
-
10
-
-
10, 12.8, 13, 16.384,
19.44, 20, 25.6, 26
-
26
± 200
±10
MHz
ppb
ppb
Parameter
Document No. 119 series
Conditions & Remarks
Page 1 - 7
Min
Typical
Max
Unit
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119 SERIES
OCXO 22 X 25.4 mm
Frequency Stability continued
Short Term Stability
Allan Deviation
Warm-Up Time
In Still Air @ 0.1 sec tau
In Still Air @ 1.0 sec tau
T
A
=25°C; to within 50ppb of
freq. @ 30 min
-
-
0.01
0.01
0.02
0.02
4
ppb
ppb
minutes
-
-
Phase Noise (For 10 MHz)
10 Hz
100 Hz
1 kHz
10 kHz
-
-
-
-
-120
-140
-150
-155
-
-
-
-
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Spurious
-
-
-70
dBc
Electronic Frequency Control
Input Impedance
Modulation Bandwidth
Control Voltage Range
Tuning Range
Tuning Coverage
Linearity
Z
i
-3dB
V
C
; positive monotonic transfer
(refer to Vref p/n option)
10
500
0
±0.7
15
-
-
-
-
-
-
-
-
-
Vref or
Vcc
-
-
±10
kΩ
Hz
Vdc
ppm
years
%
Output Parameters
Output Signal Square Wave
V
OL
Amplitude
V
OH
Rise / Fall Times
Duty Cycle
Subharmonics
10% to 90% @ 10pf load
@ 50 % of output signal
For frequencies >20Mhz
90% V
CC
-
45
-
-
50
-
-
7
55
-30
ns
%
dBc
-
LVCMOS or HCMOS
-
10%V
CC
Vdc
Output Signal Sine Wave (Optional)
Amplitude
Harmonics
Subharmonics
For frequencies >20Mhz
Sine Wave into 50 Ohm
2
-
Sine Wave
5
-
-
8
-35
-30
dBm
dBc
dBc
Reference Voltage, Vref (optional) Pad 2
For Vcc @ 3.3 Vdc; 4 ma Max
For Vcc @ 5.0 Vdc; 4 ma Max
2.70
3.85
2.80
4.00
2.90
4.15
Vdc
Vdc
Enable Function (optional) Pad 2
Enable Function
Enable Input Voltage
Disable Input Voltage
Open
For V
CC
= 3.3V or 5.0V
Logic '1', Output Enabled
Logic '0', Output Disabled
Floating, Output Enabled
.9Vcc
-
-
-
-
-
-
.1Vcc
-
Vdc
Vdc
-
Document No. 119 series
Page 2 - 7
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119 SERIES
OCXO 22 X 25.4 mm
Mechanical
Soldering
MSL
Shock :
Sinusoidal Vibration :
Random Vibration :
Seal :
Marking Permanency :
Attachment Method :
Storage Temperature
Range:
Maximum reflow temperature, 245° for 10 seconds, 2 40° for 20 seconds, per
C
C
IPC/JEDEC J-STD-020C. Not intended for inverted reflow.
Level 1
500 G’s 1 ms, Halfsine, 3 shock per direction,
per MIL-STD-202F, Method 213B, Test Condition D.
0.06” D.A. or 10 G’s Peak, 10 to 500 Hz,
per MIL-STD-202F, Method 204D, Test Condition A.
5.35 G’s RMS. 20 to 200 Hz, per MIL-STD-202F,
Method 214, Test Condition 1A, 15 minutes each axis.
Non hermetic
per MIL-STD-202F, Method 215J.
SMT
-55° to +125°C
C
Document No. 119 series
Page 3 - 7
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٠ ٠ ٠
119 SERIES
OCXO 22 X 25.4 mm
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
Document No. 119 series
Page 4 - 7
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٠ ٠ ٠
119 SERIES
OCXO 22 X 25.4 mm
Document No. 119 series
Page 5 - 7
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