75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-497-6377 • FAX 508-435-5289 • www.ctsvalpey.com • RevA0612
Specifications are subject to change without notice
1
DFO S1
Miniature Surface Mount OCXO
9 x 14 mm, HCMOS
Note 1: Standard Frequencies 10, 12.8, 13, 19.2, 19.44, 20, 25, 26 & 38.88 MHz
Parameter Symbol Condition Min Typ Max Unit Note
Frequency
Range
F 10 50 MHz Note 1
Frequency
Stability
∆F/F
vs. Operating Temperature
-40°C to +85°C
±50
ppb
See “How to
Order” chart
vs. Supply Voltage ±20
vs. Load ±10
vs. Aging ±1
ppm
vs. Calibration @ +25°C ±1
Operating
Temperature
T -40 +85 °C
See “How to
Order” chart
Supply
Voltage
3.135 3.3 3.465 %
Power Supply
Warm-up
Steady state, still air @ -40°C
Steady state, still air @ +25°C
1.4
0.6
0.3
1.6
W
Output Load
HCMOS 15 pF or 2 TTL
Duty Cycle
@ 50% level 45/55 55/45 %
Rise/Fall
Times
10% to 90% 5 ns
High Levels
2.8
V
Output
Amplitude
Low Levels
0.3
Warm-Up
Time
@ +25°C to reach ± 100 ppb 3 min
Features
10MHz to 50MHz frequency range
HCMOS output
Tight stability: ± 20 ppb
Applications
IP Timing
Base Stations
Femtocell
LTE
Network Timing and Synchronization
Electrical Specifications
RoHS Status
Directive
2002/95/EC
