CTS Reeves
FREQUENCY PRODUCTS
CRYSTALS CLOCKS VCXOs TCXOs OCXOs
111
400 REIMANN AVE. • SANDWICH, IL 60548
Phone: 815-786-8411 • Fax: 815-786-3600 • E-Mail: www.ctsreeves.com
Available Frequencies
5.0, 10.0, or 15.0 MHz
+12.0 Vdc ±5%
10 Watts
4 Watts
Sinewave
+7.0 dBm ±1.5 dB
50 Ω
-35 dBc
-40 dBc
-80 dBc
±2 x 10-8 in 15 minutes
Offset Standard Low Noise
1 Hz -85 -85
10 Hz -115 -115
100 Hz -140 -140
1 kHz -145 -150
±3 x 10-11
Sufficient for 10 years
0 to +5 Vdc
Input Voltage
Supply Current (@25°C) Warm-up
Steady State
Output (50 ohm load)
Load
Harmonicas
Sub-Harmonics (10 & 15 MHz output)
Spurious
Warm-up
Referenced to the frequency @ 1 hr.
Phase Noise (5 MHz)
(dBc/Hz)
(1 Hz Bandwidth)
Frequency Stability vs Voltage (±5%)
Electrical Frequency Adjust
(positive slope)
Parameter
Electrical Specifications:
Model 115
Ultra High Stability OCXO
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.
112
CTS Reeves
FREQUENCY PRODUCTS
400 REIMANN AVE. • SANDWICH, IL 60548
Phone: 815-786-8411 • Fax: 815-786-3600 • E-Mail: www.ctsreeves.com
CRYSTALS
CLOCKSVCXOsTCXOs
OCXOs
Mechanical Specifications:
Case:
Metal, hermetically sealed
Leads:
Kovar, solder coated
Seal:
Solder Seal
Leak Test:
Leak rate less than 5x10-5
Atmosphere-cc/sec of helium
Solderability:
95% solder coverage, using RMA flux 63
SN/37 Pb at +245°C ±5°C
Temperature:
Operating: See chart
Storage: -55° to 85°C
Vibration:
5 G's sine, 10 to 200 Hz
Mechanical Shock:
50 G's 5ms pulse (3 shock/plane)
Temp Stability
(see note) 2 x 10
-10
4 x 10
-10
6 x 10
-10
Temp Range
Code
ABC
0° to +50°CAXXX
0° to +65°CBXXX
0° to +75°CCXXX
-30° to +75°CD X
1
st
Year Aging Per Day Aging Code
±2 x 10
-8
±5 x 10
-11
A
±3 x 10
-8
±1 x 10
-10
B
±5 x 10
-8
±3 x 10
-10
C
Note: Temperature stability is total change (peak to peak).
Not all options are available at all frequencies. Consult factory for details.
Ordering Information:
Model 115
Surface Mount OCXO
Phase Noise Code
Standard A
Low Noise B
PIN NUMBERS ARE FOR REFERENCE ONLY
2.03 SQ. MAX
1.600
.800
.800
1.600
.040 ±.005 .150 MIN
1.540 MAX
CTS Reeves
970-NNNN-0
5.000 MHz
S/N
D/C YYWW
PIN 1 INDICATOR
1
2
3
5
4
C
L
C
L
AgingStability
Temp. Range
Model Type 115___ ___ ___ ___ ___ ___ ___ ___
Freq. in MHzPhase Noise
Pin Connections
PIN FUNCTION
1 EFC
2 VOLTAGE REF.
3 RF OUTPUT
4 GROUND, CASE
5 12V
