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參數(shù)資料
| 型號： | CX-2-02FREQ(C/I) |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.76 MHz - 1.35 MHz |
| 封裝： | HERMETIC SEALED, MINIATURE, CERAMIC PACKAGE-2 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 111K |
| 代理商： | CX-2-02FREQ(C/I) |
Order Code
CX-2
“S” if special
or custom design
Blank if standard
Frequency
Leads
-02
-03
-04
Temperature
Range:
C = Commercial
I = Industrial
M = Military
S = Specify
Calibration
Tolerance*
@ 25°C
(A)
(B)
(C)
1.0MHz
-03
(A/I)
*For other
calibrations
insert value
in ppm
CX-2-Leaded - Tray Pack (Standard)
Packaging
CX-2
760kHz to 1.35MHz
MINIATURE
QUARTZ CRYSTAL
CX-2
760kHz to 1.35MHz
MINIATURE
QUARTZ CRYSTAL
C =
Cx C
C+ C
2
1
LS
C
+
Typical application for Pierce oscillator
The low-profile CX miniature leaded crystal is ideal for small,
high density, battery operated portable products. A CX crystal
incorporated into a Pierce oscillator (single inverter) circuit
provides a high stability with low current consumption. A
conventional HCMOS Pierce oscillator circuit is shown below. The
crystal is effectively inductive and in a Pi-network circuit with C
and C providing the additional phase shift necessary to sustain
oscillation. The oscillation frequency (f ) is 15 to 150ppm above
the crystals series resonant frequency (f ).
R is used to limit the crystals drive level by forming a voltage
divider between R and C . R also stabilizes the oscillator against
changes in the amplifiers output resistance (R ). R should be
increased for higher voltage operation.
The CX crystal calibration tolerance is influenced by the effective
circuit capacitances, specified as the load capacitance (C ).
C is approximately equal to:
1
2
0
S
A
A1
A
0A
L
Drive Level
Load Capacitance
Typical Application
NOTE: C and C include stray layout capacitance to ground. C is
the stray shunt capacitance between the crystal terminals. In
practice, the effective valus of C will be less than that calculated
from C , C , and CS values due to the effect of the amplifier output
resistance. C should be minimized.
The oscillation frequency (f ) is approximately equal to:
12
S
L
12
S
0
Where F = Series resonant frequency of the crystal
C = Motional Capacitance
C = Shunt Capacitance
S
1
0
f =
C1
0 fS
2(C+ C)
0L
1+
Conventional HCMOS Pierce Oscillator Circuit
CX-2
Buffer
Amplifier
Osc.
Freq. (Fo)
C
C
C5
RB
R)
+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
2of2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CX-2-031.0A | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:CX MINIATURE CRYSTALS |
| CX-2-031.0B | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:CX MINIATURE CRYSTALS |
| CX-2-031.0C | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:CX MINIATURE CRYSTALS |
| CX2032 | 功能描述:插座和適配器 PLCC32/D32 ADAPTER RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
| CX2032NL | 功能描述:TRANSFORMR BALUN RF 5-165MHZ SMD RoHS:是 類別:RF/IF 和 RFID >> 平衡-不平衡變壓器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:2450 頻率范圍:2.4 ~ 2.5GHz 阻抗 - 不平衡/平衡:50 / 100 歐姆 相差:180° ±10 插入損耗（最大值）:3.0dB 回程損耗（最小值）:9.5dB 封裝/外殼:1008（2520 公制） 安裝類型:表面貼裝 包裝:Digi-Reel® 其它名稱:712-1069-6 |
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