CFPO-DO SERIES
ISSUE 6; 27 NOVEMBER 2008 - RoHS 2002/95/EC
Outline (mm) - Package 40 (with Oven Alarm)
Bottom
View
3
2
1
17.8
25.4
22.9
Pin Function
1. Frequency Control Input
2. Output reference
voltage
3. Input supply (+)
4. Output signal
5. Mechanical GND
6. Oven alarm
All tolerances ±0.2mm
Package Outlines
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50.8 x 50.8 x 25mm (50) CFPO-DO-1
51 x 41 x 25mm (51) CFPO-DO-2
51 x 41 x 19.05mm (51B) CFPO-DO-3
40 x 30 x 20mm (40) CFPO-DO-4
10, 12.8, 13MHz
8.192 to 15MHz
Initial tolerance @ 25°C Fo ±1x10
–7
Sine +7dBm ±2dBm into 50
W
load (S)
HCMOS (C)
–20 to 70°C
Extended Operating Temperature Ranges may be available
on request. Please contact our sales office
–55 to 85°C
Standard: 12V (12)
Warm-up: <750mA
@25°C: <250mA (calm air)
≤ ±1 x 10
–8
after 10 mins
±3 x 10
–9
after 60 minutes
> ±3 x 10
–7
from 0V to reference voltage, monotonic and
standard positive slope (negative slope optional). Sufficient
to cover 10 years ageing
Logic “0” during warm-up time and if oven is not operating
Logic “1” when temperature regulation is operating
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Reference Voltage
Standard Frequencies
Frequency Range
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Standard reference voltage output +8V
Optional +5.0V or +6.2V (except Package 40)
Option: N = No Reference Voltage
Harmonics & sub-harmonics < –30dBc
Non-Harmonics < –75dBc
Shock: 50g for 11ms
Vibration: 10g for 10 to 500Hz
Bulk
Frequency + Model Number + Serial Number + Date Code
10Hz ≤ –125dBc/Hz
100Hz ≤ –145dBc/Hz
1kHz ≤ –155dBc/Hz
10kHz ≤ –158dBc/Hz
Frequency + Model Number + Package Outline + Output
Signal + Supply Voltage + Oven Alarm (if applicable) +
Reference Voltage (if applicable)
Harmonic Distortion
Output Compatibility & Load
Environmental (non-operating)
Operating Temperature Range
Packaging
Marking Includes
Phase Noise @10.0MHz typical (sinewave)
OCXOs
Storage Temperature Range
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Supply Voltage
Power Consumption
Warm Up Time @ 25°C (typical)
Retrace after 24 hours off @25°C (typical)
Frequency Adjustment
Minimum Order Information Required
Oven Alarm “logic level” signal (optional) (A)
4.0±0.5
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Frequency stability versus change of all operating
conditions (pressure, supply, load, etc)
Ø0.8±0.05
0.95
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Holdover better than 7ms over 24 hours
Frequency stability over operating temperature range (
see table text )
20.0 max
40.0 max
30.0max
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Description
Super single Oven Controlled Oscillators (OCXO’s)
manufactured for us by Rakon. Designed as a compact
and smart frequency source/time keeping reference for all
synchronization systems including global positioning system
(GPS) based equipment. Key performance characteristics
are:
4
5
6
Electrical Specification - maximum limiting values
Operating
Temperature
Range *
Stability within
Temperature
Range pk to pk
Long Term Stability @ 25°C
after 7 days operation
Per Day
Per Month
Per Year
Over 10
Years
Frequency
Stability Vs
Supply Voltage
Change
(±5%) and
Load Change
(50Ω±10%)
≥5x10
–11
≥1x10
–10
≥1x10
–10
≥5x10
–10
Standard Package
Type (max height)
Model Number
–20 to 70°C
≤1x10
–10
≤2x10
–10
≤5x10
–10
≤1x10
–9
≤±5x10
–11
≤±7x10
–11
≤±1x10
–10
≤±2x10
–10
≤±1.5x10
–9
≤±1.2x10
–8
≤±2x10
–9
≤±3x10
–9
≤±5x10
–9
≤±1.5x10
–8
≤±2x10
–8
≤±5x10
–8
≤±6x10
–8
≤±7.5x10
–8
≤±1x10
–7
≤±3x10
–7
(50) 25mm
(51) 25mm
(51B) 19.05mm
(40) 20mm
CFPO-DO-1
CFPO-DO-2
CFPO-DO-3
CFPO-DO-4
Ordering Example
Model
Package outline (50) (51) (51B) (40)
Output Signal (S) (C)
Supply Voltage (12)
Oven Alram Option (A)
Reference Voltage (8V standard, optional = 5V or 6.2V with packages 50 & 51)
(Option: N = No Reference Voltage)
Frequency (MHz)
CFPO-DO-1 50 S 12 A 8.0 10.0MHz
*Please note: Extended Operating Temperature Ranges may be available on request, please contact our sales office for further details
Outline (mm) - Package 50 (without Oven Alarm)
20.3 20.3
1
2
3
Function
Frequency Control Input
Output ref. voltage
Output signal
Mechanical GND
and (–) supply
5. Input supply (+)
All tolerances ±0.2mm
Pin
1.
2.
3.
4.
Outline (mm) - Package 51B (without Oven Alarm)
51.0 max
42.0
1
3 2
Bottom View
5
4
41.0 max
32.0
Pin Function
1. Mechanical
GND and supply
2 . Frequency Control Input
3 . Ref. voltage output
4 . Supply input
5 . Signal output
All tolerances ±0.2mm
Bottom View
5
6
4
25.0 max
Outline (mm) - Package 51 (with Oven Alarm)
51.0 max
42.0
Bottom View
4
5
41.0 max
3
2
1
Pin Function
1 Mechanical
GND and supply
2 Frequency Control Input
3 Ref. voltage output
4 Supply Input
5 Signal output
6. Oven alarm
All tolerances ±0.2mm
32.0
Ø1.0±0.05
5.0
25.0 max
5.0
Ø1.0±0.05
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
OCXOs
Ø1.0±0.05
5.0
19.05 max
50.8SQ max
40.6SQ
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