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Electrical Specification
Operating
Temperature
Range
Stability
within
Temperature
Range
pk to pk
Long Term Stability
(after 1 week operation)
Frequency
Stability Vs Supply
Voltage Change
(±5%) and Load
Change
(50
Ω±10%)
Standard Package Type
(max height)
Model
Number
Per Day
Per Month
Per Year
Over 10 Years
-20 to 70°C
<1x10-10
<±5x10-11
<±1.5x10-9
<±1.2x10-8
<±6x10-8
<±5x10-11
(50) 25mm
CFPO-DO-1
<2x10-10
<±7x10-11
<±2x10-9
<±1.5x10-8
<±7.5x10-8
<±1x10-10
(51) 25mm
CFPO-DO-2
<5x10-10
<±1x10-10
<3x10-9
<±2x10-8
<±1x10-7
<±1x10-10
(51B) 19.05mm
CFPO-DO-3
<1x10-9
<±2x10-10
<5x10-9
<±5x10-8
<±3x10-7
<±5x10-10
(40) 20mm (*)
CFPO-DO-4
Ordering Example
CFPO-DO-1
50
S
12
A
8.0
10.0MHz
Model Number
Package Outline 50, 51, 51B, 40 (see above table)
Output Signal (S) (Sine is standard) (C)(HCMOS optional)
Supply Voltage (12) (12V is standard)
Oven Alarm Option (A)
Reference Voltage (8.0V standard, optional = 5V or 6.2V with packages 50 & 51
No Reference for all models = N)
Frequency (MHz)
For non standard options such as different temperature ranges, negative slope EFC, cold start-up please contact our sales
office. (*) Package height 16mm max will be available from mid 2005
Outline in mm - Package 51 (with Oven Alarm)
Outlin in mm - Package 51B (without Oven Alarm)
∅1.0±0.05
21
3
5
4
51.0 max
42.0
Pin Function
1.
Mechanical
GND and supply
2 . Frequency control input
3 . Ref. voltage output
4 . Supply Input
5 . Signal output
6.
Oven Alarm
Bottom View
All tolerances ±0.2mm
6
10.15
∅1.0±0.05
21
3
5
4
51.0 max
42.0
Pin Function
1.
Mechanical
GND and supply
2 . Frequency control input
3 . Ref. voltage output
4 . Supply input
5 . Signal output
Bottom View
All tolerances ±0.2mm
Europe
Tel: +44 (0)1460 270200
Fax: +44 (0)1460 72578
Website: www.cmac.com
Americas Tel: +1 919 941 9333
Fax: +1 919 941 9371
Asia
Tel: +86 755 8826 5991
Fax: +86 755 8826 5990