CTS
Reeves
FREQUENCY PRODUCTS
Model 115
Ultra High Stability OCXO
CRYSTALS
Features:
• Double Oven
• Small Size
• High Stability
• Electrical Frequency Adjust
• 5 to 15 MHz
CLOCKS
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.
VCXOs
Electrical Specifications:
Parameter
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)
Offset
1 Hz
10 Hz
100 Hz
1 kHz
Available Frequencies
5.0, 10.0, or 15.0 MHz
+12.0 Vdc
±5%
10 Watts
4 Watts
TCXOs
Sinewave
+7.0 dBm
±1.5
dB
50
Ω
-35 dBc
-40 dBc
-80 dBc
±2
x 10
-8
in 15 minutes
Standard
-85
-115
-140
-145
±3
x 10
-11
Sufficient for 10 years
0 to +5 Vdc
Low Noise
-85
-115
-140
-150
OCXOs
Frequency Stability vs Voltage (±5%)
Electrical Frequency Adjust
(positive slope)
400 REIMANN AVE.
•
SANDWICH, IL 60548
Phone: 815-786-8411
•
Fax: 815-786-3600
•
E-Mail: www.ctsreeves.com
111
CTS
Reeves
CRYSTALS
FREQUENCY PRODUCTS
2.03 SQ. MAX
1.600
.800
3
.800
1.600
2
C
L
Model 115
Surface Mount OCXO
1.540 MAX
Pin Connections
4
CTS
Reeves
970-NNNN-0
5.000 MHz
S/N
D/C YYWW
1
5
.040
±.005
C
L
PIN
1
2
3
4
5
FUNCTION
EFC
VOLTAGE REF.
RF OUTPUT
GROUND, CASE
12V
CLOCKS
.150 MIN
PIN NUMBERS ARE FOR REFERENCE ONLY
PIN 1 INDICATOR
Mechanical Specifications:
Case:
Metal, hermetically sealed
VCXOs
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)
TCXOs
Ordering Information:
Model Type 115___ ___ ___ ___ ___ ___ ___ ___
Temp. Range
Stability
Aging
6 x 10
-10
C
X
X
X
X
Phase Noise
Freq. in MHz
Phase Noise Code
Standard
A
Low Noise
B
Temp Stability
(see note)
2 x 10
-10
4 x 10
-10
Temp Range
Code
A
B
0° to +50°C
A
X
X
0° to +65°C
B
X
X
0° to +75°C
C
X
X
-30° to +75°C
D
OCXOs
1
st
Year Aging Per Day Aging Code
±2
x 10
-8
±5
x 10
-11
A
-8
-10
±3
x 10
±1
x 10
B
-8
-10
±5
x 10
±3
x 10
C
Note: Temperature stability is total change (peak to peak).
Not all options are available at all frequencies. Consult factory for details.
112
400 REIMANN AVE.
•
SANDWICH, IL 60548
Phone: 815-786-8411
•
Fax: 815-786-3600
•
E-Mail: www.ctsreeves.com
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