Model 115
Ultra High Stability OCXO
C T S R e e v e s
F R E Q U E N C Y P R O D U C T S
Features:
• Double Oven
• Small Size
• High Stability
• Electrical Frequency Adjust
• 5 to 15 MHz
The Model 115 is a high performance double oven
OCXO housed in a small package. The use of a 5 MHz
3rd overtone SC coldweld crystal provides for excellent
long term aging performance. Applications include
CDMA base station reference and Stratum II clock.
Electrical Specifications:
Available Frequencies
Parameter
5.0, 10.0, or 15.0 MHz
Input Voltage
+12.0 Vdc ±5%
Supply Current (@25°C) Warm-up
10 Watts
4 Watts
Steady State
Output
Sinewave
(50 ohm load)
+7.0 dBm ±1.5 dB
Load
50 Ω
-35 dBc
Harmonicas
Sub-Harmonics (10 & 15 MHz output)
Spurious
-40 dBc
-80 dBc
Warm-up
±2 x 10-8 in 15 minutes
Referenced to the frequency @ 1 hr.
Offset
Standard
-85
Low Noise
-85
Phase Noise
(5 MHz)
1 Hz
10 Hz
100 Hz
1 kHz
(dBc/Hz)
(1 Hz Bandwidth)
-115
-140
-145
-115
-140
-150
Frequency Stability vs Voltage (±5%)
±3 x 10-11
Electrical Frequency Adjust
(positive slope)
Sufficient for 10 years
0 to +5 Vdc
111
400 REIMANN AVE. • SANDWICH, IL 60548
Phone: 815-786-8411 • Fax: 815-786-3600 • E-Mail: www.ctsreeves.com