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CX-1-03 CRYSTAL
8 MHz to 160 MHz
Miniature AT -Cut Quartz Crystal
TM
Fundamental Mode: 8 MHz - 70 MHz Third Overtone Mode: 48 MHz - 160 MHz
DESCRIPTION
The CX-1 quartz crystal is a high quality miniature AT cut quality resonator. The CX-1 is hermetically sealed in a rugged, miniature ceramic package, one-fourth the size of an eight-pin mini-DIP. The CX-1 crystal is manufactured using the STATEK-developed photolithographic process, and was designed utilizing the experience acquired by producing millions of crystals for industrial, commercial, military and medical applications.
actual size
side view
FEATURES
PACKAGE DIMENSIONS
Low-profile hermetically-sealed package Excellent aging characteristics Fundamental or 3rd overtone mode High shock resistance Full military testing available Designed and manufactured in the USA
B A E
F
D
PACKAGE HANDLING
C TYP. MAX. mm 8.00 3.56 1.78 7.62 0.51 3.81 INCHES .330 .155 .080 .310 .040 .160 mm 8.38 3.94 2.03 7.87 1.02 4.06
The CX crystal is hermetically sealed in a ceramic package. Normal handling and soldering precautions for small, low thermal mass parts are adequate when installing or testing CX crystals. CX crystals may be wave soldered, with proper precaution taken to avoid desoldering the leads. A slow machine rate or too high a pre-heat temperature or solder bath temperature can damage the crystals. Lead to package solder interface temperature should not exceed 175oC, glass lid to package seal rim temperature should not exceed 210oC. If the seal rim reaches temperatures above the maximum specified, the package may lose its hermeticity resulting in degradation of crystal performance. Mishandling of CX crystals can cause cracking of the glass lid and loss of hermeticity.
DIM A B C D E F
INCHES .315 .140 .070 .300 .020 .150
Leads 0.013" x 0.018" (0.33 x 0.46 mm) typical.
EQUIVALENT CIRCUIT
C0 1 L1 C1 R1 2
R1 Motional Resistance L1 Motional Inductance C1 Motional Capacitance C0 Shunt Capacitance
10127 - Rev D
RSG Electronic Components GmbH, Sprendlinger Landstr. 115, 63069 Offenbach, Germany, Tel. +49 69 - 984047-0, Fax: +49 69 - 9840-77, www.rsg-electronic.de
SPECIFICATIONS
CIRCUIT DESIGN
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 Motional Capacitance C1 (fF) 5.5 Quality Factor Q (k) Calibration Tolerance* 80 A B Load Capacitance Drive Level Frequency-Temperature Stability**
+ _ + _
20 7.8 36 2.6 0.01% ( 100ppm) 0.1%
+ _
50 0.5 41 3.2
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 180O 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
Shunt Capacitance Co (pF) 2.2
_ C + 1.0% 20 pF (Unless specified by customer)
500 W MAX. -10OC to +70OC from -40OC to +85OC from -55OC to +125OC from 5ppm MAX. 3,000g, .3 msec., 1/2 sine 20g rms, 10-2,000 Hz random -10OC to +70OC Commercial -40OC to +85OC Industrial -55OC to +125OC Military -55OC to +125OC
+ _ + _ + _
CONVENTIONAL CMOS PIERCE OSCILLATOR CIRCUIT
10ppm 20ppm 30ppm
Rf BUFFER OSC Freq (fO)
Contact factory for design guidelines
Aging, first year Shock, survival*** Vibration, survival Operating Temperature Range Storage Temperature
AMPLIFIER CS
RA
CG
CX-1
CD
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)
STANDARD FREQUENCIES
PACKAGING
CX-1-03 - Tray Pack (Standard)
10.0 11.0592 12.0 14.318 16.0
MHz MHz MHz MHz MHz
19.6608 20.0 24.0 24.576 30.0
MHz MHz MHz MHz MHz
32.0 MHz 35.2512 MHz 36.0 MHz 40.0 MHz
HOW TO ORDER CX-1-03 CRYSTALS CX-1 "S" if special or custom design. Blank if Std. O.T.=3RD O.T. Mode C=Ceramic Lid Blank=Fundamental Blank=Glass Lid Mode -03 32 MHz Frequency ( 25ppm Calibration Tolerance* @25OC (A) (B) (C) / 25ppm / 50ppm / I )
Frequency Total Frequency Temp. Range: Stability over Tolerance C = Commercial Temp. Range I = Industrial M = Military S = Specify
*Other calibration fill in ppm.
10127 - Rev D
RSG Electronic Components GmbH, Sprendlinger Landstr. 115, 63069 Offenbach, Germany, Tel. +49 69 - 984047-0, Fax: +49 69 - 9840-77, www.rsg-electronic.de

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