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CFPO-SC Series
(Hi-Reliable OCXO - Up to "Stratum 2" performance - No re-calibration over time)
ISSUE 1; 19 OCTOBER 2004 Output Compatibility Sinewave +7dBm 2dBm into 50 load (S) Squarewave optional (C)
Description The CFPO-SC series are a range of OCXO's removing the need for customers to re-calibrate their equipment over the Harmonic Distortion lifetime of operation Harmonics < -40dBc Spurious < -80dBc Main performances are: Free-run stability range over lifetime operation from: Phase Noise 10.0MHz typical (sinewave) 1Hz -100dBc/Hz 1.6x10-8 (CFPO-SC1 for replacing Rubidium clocks) 10Hz -130dBc/Hz to 1x10-7 (CFPO-SC4) 100Hz -145dBc/Hz Holdover range over 24 hours operation: 1kHz -155dBc/Hz From 7s over -20 to 70C (CFPO-SC2) to 10s with 15C 10kHz -158dBc/Hz ambient change Package Options (metal leaded package, hermetically sealed) CFPO-SC-1 50.8 x 50.8 x 38.0mm (50B) CFPO-SC-2 50.8 x 50.8 x 25.0mm (50) CFPO-SC-3 51.0 X 41.0 X 25.0mm (51) CFPO-SC-4 40.0 X 30.0 X 20.0mm (40)
Environmental Specification (non-operating) Storage temperature range -55 to 85C Shock - half-sine 50g 11ms / 3 per direction IEC 68-2-27 Test Ea / Severity 50A Vibration - 10g / 10-500Hz IEC 68-2-06 Test Fc / Severity 500/10 Marking (printed label on top of can) C-MAC or Customer's Logo Nominal Frequency (Fo) in MHz Serial Number (1 letter & 5 numbers ) Date Code (4 digits for year and week)
Supply Options Standard: 12V 5% (12) Optional: 15V (15) Standard Frequencies 5.0, 8.192, 10.0, 10.24MHz Frequency Range 5.0 to 15.0MHz Higher frequencies may be available upon request Initial tolerance @ 25C Fo 1x10-8 Power Consumption (CFPO-SC1 / others) Warm-up: <7.0W / 6.0W @25C: <2.5W / 1.8W (calm air) Warm Up Time @ 25C (typical) 1x10-8 after 15 mins (for CFPO-SC1) 1x10-8 after 10 mins (for others)
Retrace after 24 Hours on / 24 Hours off @25C 2x10-9 after 60 minutes
OCXOs OCXOs
Frequency Adjustment > 5.0x10-8 from 0V to reference voltage EFC monotonic and positive slope (negative optional)
Oven Alarm "logic level" signal (optional) (A) Logic "0" during warm-up time and if oven is not operating Logic "1" when temperature regulation is operating Reference Voltage Ouput (optional no reference voltage) CFPO-SC-1 pkg 50B 8.0V0.3V CFPO-SC-2 pkg 50 8.2V0.3V (options = 5V / 6.2V) CFPO-SC-3 pkg 51 8.2V0.3V (options = 5V / 6.2V) CFPO-SC-4 pkg 40 8.0V0.3V
Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990
Website: www.cmac.com
Electrical Specification Frequency Long Term Stability Stability Vs Stability (after frequency recovery) Cumulated Supply Voltage Operating within Over Change (5%) Temperature Temperature Lifetime and Load Range Range (all causes) Change pk to pk Per Day Per Month Per Year Over 15 Years (5010%) <1x10-10 <2x10-10 -20 to 70C <5x10-10 <1x10 Ordering Example Model Number Package Outline 50B : 50 : 51 : 40 (see above table) Output Signal (S) (Sine is standard) (C) (Optional HCMOS) Supply Voltage (12) (15) (12V is standard) Oven Alarm Option (A) Reference Voltage 8.0, 8.2, 5.0, 6.2 (+ Optional: N = No reference voltage) Frequency (MHz) For non standard options such as different temperature ranges, negative slope EFC, cold start-up then please contact our sales office.
-9
Reference Voltages
Standard Package type (max height)
Model Number
<2x10-11 <6x10-10
<5x10-9
<1.5x10-8 <3.5x10-8 <5x10-8 <9x10
-8
<5x10-11 <1x10-10 <2x10-10 <5x10 50B S
-10
<1.6x10-8 <5.0x10-8 <7.0x10-8 <1.0x10 A
-7
8.0V0.3V 8.2V0.3V Option 5 or 6.2V 8.2V0.3V Option 5 or 6.2V 8.0V0.3V
(50B) 38mm (50) 25mm (51) 25mm (40) 20mm
CFPO-SC-1 CFPO-SC-2 CFPO-SC-3 CFPO-SC-4
<5x10-11 <1.5x10-9 <1.2x10-8 <1x10-10 <2x10
-10
<3x10-9 <5x10
-9
<1.5x10-8 <3x10
-8
CFPO-SC-1
12
8.0 10.0MHz
Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990
Website: www.cmac.com
OCXOs
Packages without Oven Alarm
Outline in mm - Package 50B
50.8SQ max 1 32.3 2 3
Packages with Oven Alarm
Outline in mm - Package 50B
50.8SQ max
Bottom View 5 64
20.3 20.3
3 screws M3
38.0 max
Pin Function 1. Input frequency control 2. Output reference voltage 3. Output signal 4. Mechanical GND and (-) supply 5. Input supply (+)
40.6SQ
Bottom View 5 64
20.3 20.3
3 screws M3
All tolerances 0.2mm
38.0 max
40.6SQ
1 32.3
2
3
Pin Function 1. Input frequency control 2. Output reference voltage 3. Output signal 4. Mechanical GND and (-) supply 5. Input supply (+) 6. Oven alarm
All tolerances 0.2mm
5.0
Outline mm - Package 50
20.3 20.3 12 3 40.6SQ Pin 1. 2. 3. 4. 5. Function Input frequency control Output ref. voltage Output signal Mechanical GND and (-) supply Input supply (+)
Outline in mm - Package 50
20.3 20.3 12 3 40.6SQ Pin 1. 2. 3. 4. 5. 6. 25.0 max Function Input frequency control Output ref. voltage Output signal Mechanical GND and (-) supply Input supply (+) Oven alarm
Bottom View 5 4
Bottom View 5 6 4
50.8SQ max 25.0 max
50.8SQ max
5.0
1.00.05
All tolerances 0.2mm
5.0
1.00.05
1.00.05
Outline in mm - Package 51
51.0 m ax 42.0
Outline in mm - Package 51
Pin Function 1. Mechanical GN D and supply 2. Frequency control input 3. Ref.voltage output 4. Supply input 5. Signal output
41.0 max
51.0 max 42.0
3
2
1
4
5
41.0 max
B otto m Vie w
32.0
3
2
1
32.0
5.0
1.00.05
All tolerances 0.2mm
Bottom View 4 6 5
OCXOs
5.0
1.00.05
A ll to ler ance s 0.2m m
Pin Function 1. Mechanical GND and supply 2 . Frequency control input 3 . Ref. voltage output 4 . Supply Input 5 . Signal output 6. Oven alarm
25.0 max
Outline in mm - Package 40
25.4 22.9 3 17.8 Bottom View 30.0 max
19.5 max
4 5 2 6 1 40.0 max
0.95
19.5 max
17.8
3
4.00.5
0.80.05
All tolerances 0.2mm
0.80.05
0.95 4.00.5
30.0max
4 5 2 6 1 40.0 max
Pin Function 1. Input frequency control 2. Output reference voltage 3. Input supply (+) 4. Output signal 5. Mechanical GND and (-) supply
Outline in mm - Package 40
Bottom View 25.4 22.9 Pin Function 1. Input frequency control 2. Output reference voltage 3. Input supply (+) 4. Output signal 5. Mechanical GND and (-) supply
5.0
1.00.05
25.0 max
All tolerances 0.2mm
All tolerances 0.2mm
Europe Tel: +44 (0)1460 270200 Americas Tel: +1 919 941 9333 Asia Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578 Fax: +1 919 941 9371 Fax: +86 755 8826 5990
Website: www.cmac.com

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