Stratum 3E HCMOS
Oscillator
OX125 TiMax Series
VCOCXO
Features:
Designed to meet Stratum 3E
requirements
2111 Comprehensive Drive
2111 Comprehensive Drive
The Connor-Winfield OX125 TiMax Series is a
5V Voltage Controlled Oven Controlled Crystal
Oscillator (VCOCXO) with an HCMOS output.
The OX125 Series is designed for Stratum 3E
applications requiring low jitter and tight
frequency stability.
Aurora, Illinois 60505
Aurora, Illinois 60505
Phone: 630-851-4722
Phone: 630-851-4722
Variable frequency (VCOCXO)
Frequency Stability ±10ppb
5.0V Operation
Fax: 630- 851- 5040
Fax: 630- 851- 5040
www.conwin.com
www.conwin.com
HCMOS Output
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Absolute Maximum Ratings
Minimum
Parameter
Nominal
Maximum
Units
°C
Notes
Storage Temperature
Supply Voltage (Vcc)
-40
-
-
85
7
-0.5
Vdc
Operating Specifications
Parameter
Minimum
Nominal
Maximum
Units
MHz
ppm
ppb
Notes
Center Frequency (Fo)
-
10-12.8
-
0.2
10
1
1
2
3
4
Frequency Calibration (Vc=2.5 Vdc) -0.2
-
Frequency Stability
-10
-1
-
Aging: Daily
-
ppb/day
ppb
Aging: First Year
-30
-
-
30
-
Aging: Short Term (1 Sec)
Aging: Long Term (20 years)
Operating Temp Range
Supply Voltage (Vcc)
Voltage Stability ( 1ꢀ)
Load Stability 20ꢀ)
5.00E-11
RMS
ppb
5
-
-
300
70
5.25
0.5
0.5
0
-
°C
4.75
-0.5
-0.5
5.00
Vdc
-
-
ppb
6
7
ppb
Power Consumption: Turn On
Steady-State
-
-
-
-
2.75
1.5
W
8
Start-Up Time
Warm Up
-
-100
-
-
-
500
100
-
mS
ppb
9
10
2G Tip-over
5
ppb/G
TDEV at 300 seconds
TDEV at 40 seconds
-
-
-
-
5
1
nS
11
Input Characteristics
Parameter
Minimum
Nominal
Maximum
Units
Vdc
Notes
Control Voltage (Pin 1) Vc
Deviation @ 25°C referenced to Fo
Input Impedance (Pin 1)
0.5
0.3
50k
2.5
4.5
1.0
-
-
-
ppm
Ohm
9
Notes:
Ordering Information
1. Labels will include the calibration frequency at the time of ship.
2. Initial calibration @ 25°C, Vc=2.5Vdc
3. Frequency vs temperature stability
4. After ten days of continuous operation
5. Allen Variance: 1 second, 100 average
6. Frequency vs change in supply voltage
7. Frequency vs change in load
OX125 - 010.0 MHz
OCXO
SERIES
CENTER
FREQUENCY
8. Vcc = 5.0Vdc
Bulletin
Cx148
9. From Vcc=90% of final value. No more than 16 transitions at start-up before oscillator has started.
10. Measured @ 0°C, within 5 minutes, referenced one hour after turn-on.
11. At time of delivery.
Page
1 of 2
12. HCMOS load.
Revision
00
13. For a given off time, the time required to meet daily aging, short-term stability and TDEV requirements.
Date
09 Sept 2007
Specifications subject to change without notice. All dimensions in inches. © Copyright 1998 The Connor-Winfield Corporation
