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CX-1-03 Datasheet(PDF) 2 Page - STATEK CORPORATION

Part No. CX-1-03
Description  Miniature AT-Cut Quartz Crystal
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Maker  STATEK [STATEK CORPORATION]
Homepage  http://www.statek.com
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 2 page
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STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
10127 - Rev D
SPECIFICATIONS
Specifications are typical at 25oC unless otherwise noted.
Specifications are subject to change without notice.
10 MHz
32MHz
155.52 MHz
Motional Resistance R1 ( )50
20
50
Motional Capacitance C1 (fF) 5.5
7.8
0.5
Quality Factor Q (k)
80
36
41
Shunt Capacitance Co (pF) 2.2
2.6
3.2
Calibration Tolerance*
A
0.01% ( 100ppm)
B
0.1%
C
1.0%
Load Capacitance
20 pF (Unless specified by customer)
Drive Level
500
W MAX.
Frequency-Temperature
-10
OC to +70OC from
10ppm
Stability**
-40
OC to +85OC from
20ppm
-55
OC to +125OC from
30ppm
Aging, first year
5ppm MAX.
Shock, survival***
3,000g, .3 msec., 1/2 sine
Vibration, survival
20g rms, 10-2,000 Hz random
Operating Temperature
-10
OC to +70OC Commercial
Range
-40
OC to +85OC Industrial
-55
OC to +125OC Military
Storage Temperature
-55
OC to +125OC
Note: The characteristics of the frequency temperature stability follow that of AT
cut thickness-shear mode*
* Tighter tolerances available as low as
5 ppm
** Does not include calibration tolerance
*** Higher shock version available, refer to data sheet model CX-1HG (10108)
+
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+
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+
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+
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+
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+
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PACKAGING
CX-1-03 - Tray Pack (Standard)
HOW TO ORDER CX-1-03 CRYSTALS
CX-1
-03
32 MHz
(
25ppm
/
25ppm
/
50ppm
/
I
)
“S” if special or
O.T.=3
RD O.T. Mode
C=Ceramic Lid
Frequency
Calibration
Frequency
Total Frequency Temp. Range:
custom design.
Blank=Fundamental Blank=Glass Lid
Tolerance*
Stability over
Tolerance
C = Commercial
Blank if Std.
Mode
@25
OC
Temp. Range
I = Industrial
(A)
M = Military
(B)
S = Specify
(C)
*Other calibration fill in ppm.
CIRCUIT DESIGN
A conventional CMOS Pierce Oscillator is shown below.
The crystal oscillates at a frequency fO above the crystal’s
series-resonant frequency fs. The crystal is effectively
inductive and, in combination with RA, Cd and Cg in the
feedback loop, provides approximately 180
O phase shift
necessary to obtain oscillation. Typical component values
for a Pierce Oscillator using a 16 MHz crystal with a
74HC04 hex inverter are shown below:
Typical Application as Pierce Oscillator
Using 74HC04 CMOS Hex Inverter at 5 VDC
AMPLIFIER
BUFFER
C
G
C
D
R
A
CX-1
Contact factory for
design guidelines
OSC
Freq (f )
O
R
f
C
S
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
STANDARD FREQUENCIES
10.0
MHz
19.6608 MHz
32.0
MHz
11.0592 MHz
20.0
MHz
35.2512 MHz
12.0
MHz
24.0
MHz
36.0
MHz
14.318
MHz
24.576 MHz
40.0
MHz
16.0
MHz
30.0
MHz




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