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參數資料
| 型號： | CX-1CSM3FREQ(A/20PPM/50PPM/I) |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 8 MHz - 160 MHz |
| 封裝： | HERMETIC SEALED, MINIATURE, CERAMIC, SMD, 2 PIN |
| 文件頁數： | 2/2頁 |
| 文件大?。?/td> | 104K |
| 代理商： | CX-1CSM3FREQ(A/20PPM/50PPM/I) |
Typical HCMOS Pierce Oscillator
A conventional HCMOS Pierce oscillator is shown below. The
crystal oscillates at a frequency f above the crystal’s series-
resonant frequency. The crystal is effectively inductive and in
combination with R , C and C in the feedback loop, provides
approximately 180° of the phase shift necessary to ensure
oscillation.
O
F1
2
Order Code
CX-1
“S” if special
or custom design
Blank if standard
Frequency
SM1
SM2
SM3
Calibration
Tolerance*
@ 25°C
A, B, C
32MHz
SM1
Circuit Design
Conventional HCMOS Pierce Oscillator Circuit
CX-1
Buffer
Amplifier
Osc.
Freq. (Fo)
C
C
C5
RB
R)
CX-1-SM - Bulk Pack (Standard)
- 16mm tape, 178mm or 330mm reels (Optional)
per EIA 481
- Tray Pack (Optional)
Packaging
Temperature
Range:
C = Commercial
I = Industrial
M = Military
S = Specify
( A / 25ppm / 50ppm / I )
O.T.=3rd O.T. Mode
Blank = Fundamental
C = Ceramic Lid
Blank = Glass Lid
Frequency
Stability
over
Temperature
Range
Total
Frequency
Tolerance
*For other calibration tolerances
enter figure in ppm
Terminations
Designation
SM1
Gold Plated
SM2
Nickel, Silver Plated
SM3
Nickel, Solder Plated and Solder Dipped
Termination
1.78
4.06
6.86
Suggested Solder Pad Layout
CX-1-SM
8MHz to 160MHz
MINIATURE AT-CUT
SMD CRYSTAL
CX-1-SM
8MHz to 160MHz
MINIATURE AT-CUT
SMD CRYSTAL
+44(0)1460 230000
+44(0)1460 230001
sales@euroquartz.co.uk
www.euroquartz.co.uk
Telephone:
Fax:
Email:
Web:
EUROQUARTZ
CX MINIATURE CRYSTALS
Page
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