CFPO-4 High Stability OCXO
ISSUE 5; 1 NOVEMBER 2008 - RoHS 2002/95/EC
Outline (mm) - Package 40
Bottom
25.4
View
22.9
3
4
2
5
6
1
40.0 max
19.5 max
17.8
Pin Function
1. Frequency Control Input
2. Output reference
voltage
3. Input supply (+)
4. Output signal
5. Mechanical GND
and (-) supply
All tolerances ±0.2mm
0.95
Package Outlines
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40 x 30 x 20mm (40)
51 x 41 x 25mm (51)
50.8 x 50.8 x 25mm (50)
2 to 16.384MHz (CFPO-4, A1, A2)
2 to 40MHz (CFPO-4, A3, A4)
Sine > 3 dBm into 50W (S)
HCMOS (C)
–20 to 75°C
–55 to 90°C
Standard: 12V (12)
Optional: 9V (9), 15V (15)
W
arm up: ≤ 500mA (≤ 6W)
@
25°C: ≤ 150mA (≤ 1.8W) (calm air)
≤ ±1 x 10
–8
after 10 minutes (calm air)
≤
±5 x 10
–9
after 60 minutes
10Hz ≤ –115 dBc/Hz
1
00Hz ≤ –135 dBc/Hz
1
kHz ≤ –150 dBc/Hz
1
0kHz ≤ –155 dBc/Hz
Shock: 50g for 11ms
Vibration: 10g for 10 to 500Hz
≤ 80g (51)
≤ 100g (50)
Model Number (including options) + Frequency + Serial
Number + Date Code
Bulk
3
4
Frequency Ranges
Ø0.8±0.05
Output Compatibility & Load
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Outline (mm) - Package 50
20.3
20.3
1
2
3
40.6SQ
4.0±0.5
30.0max
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Description
High stability Oven Controlled Crystal Oscillator OCXO
manufactured for us by Rakon
Bottom View
5
6
4
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.
50.8SQ max
25.0 max
Input Current @ 12V (Power Consumption)
Warm Up Time @ 25°C (typical)
5.0
Retrace after 24 hours off @ 25°C
OCXOs
Ø1.0±0.05
Phase Noise @ 10.0MHz (sine output)
Outline (mm) - Package 51
51.0 max
42.0
Bottom View
5
41.0 max
2
1
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
Weight/Mass
25.0 max
Ø1.0±0.05
5.0
Marking Includes
Packaging
Minimum Order Information Required
Frequency + Model Number + Package Outline + Output
Signal + Supply Voltage + Oven Alarm (if applicable)
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
32.0
Environmental (non-operating)
Electrical Specification - maximum limiting values
Operating
Temperature
Range
–20 to 75°C
Stability within
Temperature
Range pk to pk
≤3x10
–9
≤5x10
≤1x10
–9
Long Term Stability @ 25°C
after 30 days operation
Per Day
≤±7x10
–11
≤±1x10
≤±3x10
–10
Per Month
≤±2x10
–9
≤±3x10
≤±1x10
–9
Per Year
≤±1.2x10
–8
≤±1.5x10
≤±5x10
–8
Frequency Adjustment
from 0V to V Ref*
(pk-pk)
≥7x10
–7
Frequency Stability Vs
Supply Voltage Change
(±5%) and Load Change
(50W ±10%)
≤±2x10
–10
≤±5x10
–10
Model Number
CFPO-4 A1
CFPO-4 A2
CFPO-4 A3
CFPO-4 A4
≤1x10
–8
–8
≤±2x10
–10
–10
≤±6x10
–9
–8
≤±3x10
–8
–8
Ordering Example
Model
Package outline (40) (50) (51)
Output Signal (C) (S**)
Supply Voltage (9) (12) (15)
Oven Alarm Option (A)
Frequency (MHz)
*Voltage Reference: +8.0V ±0.2V
**Sine available in package 40 from 8.19 to 16.384MHz
External Frequency Adjustment
CFPO-4-A1
50 S
12
A
8.192MHz
Manual freq. adjust.
Settability ≤ 1 x 10
-8
REF
20k
Fine manual freq. adjust.
Settability ≤1 x 10
-10
REF
20k
1k
Freq. control voltage and manual adjust
REF
OUT
IFC
GND
10k
20k
V in
Ext. freq. control voltage
NC
V in
OUT
IFC
GND
OUT
IFC
GND
OUT REF
IFC
GND
All potentiometers
must be 10 turns type with temperature coefficient 50ppm/°C
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
