X1G005591031100日本EPSON愛普生石英晶體振蕩器的結構變化
金屬殼封裝等效電路與金屬板之間的靜電電容;L、C為壓電諧振的等效參量;R為振動磨擦損耗的等效電阻.石英晶體諧振器存在一個串聯(lián)諧振頻率fos(1/2π),愛普生晶振同時也存在一個并聯(lián)諧振頻率fop(1/2π).由于CoC,fop與fos之間之差值很小,并且RωOL,R1/ωOC,所以諧振電路的品質因數(shù)Q非常高(可達數(shù)百萬).
X1G005591031100日本EPSON晶振,愛普生石英晶體振蕩器
石英晶振振蕩器SPXO的總精度(包括起始精度和隨溫度、電壓及負載產(chǎn)生的變化)可以達到±25ppm.SPXO既無溫度補償也無溫度控制措施,其頻率溫度特性幾乎完全由石英晶體振子的頻率溫度特性所決定.在0~70℃范圍內,日產(chǎn)晶振SPXO的頻率穩(wěn)定度通常為20~1000ppm,SPXO可以用作鐘頻振蕩器.溫度補償晶體振蕩器TCXO是通過附加的溫度補償電路使由周圍溫度變化產(chǎn)生的振蕩頻率變化量削減的一種石英晶體振蕩器.X1G005591031100日本EPSON晶振,愛普生石英晶體振蕩器
愛普生有源晶振編碼
型號
頻率
長X寬X高
輸出波
電源電壓
工作溫度
頻差
最大值
X1G005591006000
SG-8018CE
23.040000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591006100
SG-8018CE
28.636360MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591006200
SG-8018CE
14.430000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591006300
SG-8018CE
8.439025MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591006400
SG-8018CE
29.491200MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591006500
SG-8018CE
22.222200MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591031100
SG-8018CE
30.000000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591006600
SG-8018CE
19.660800MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591006700
SG-8018CE
6.000000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591006800
SG-8018CE
7.680000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591006900
SG-8018CE
74.250000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.2mA
X1G005591007000
SG-8018CE
88.888000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.9mA
X1G005591007100
SG-8018CE
88.888000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.9mA
X1G005591007200
SG-8018CE
12.500000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591007300
SG-8018CE
148.500000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤8.1mA
X1G005591007400
SG-8018CE
74.250000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.2mA
X1G005591007500
SG-8018CE
57.272720MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.2mA
X1G005591007600
SG-8018CE
37.125000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591007700
SG-8018CE
19.200000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591007800
SG-8018CE
6.005284MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591007900
SG-8018CE
57.209760MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤5.2mA
X1G005591008000
SG-8018CE
10.000000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤3.5mA
X1G005591008100
SG-8018CE
133.000000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤8.1mA
X1G005591008200
SG-8018CE
32.400000MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
X1G005591008300
SG-8018CE
22.579200MHz
3.20x2.50x1.20mm
CMOS
1.620to3.630V
-40to105°C
+/-50ppm
≤4.4mA
從而使石英晶體諧振器組成的振蕩器頻率穩(wěn)定度十分高,可達10-12/日.石英晶體振蕩器的振蕩頻率既可近似工作于fos處,有源晶體振蕩器也可工作在fop附近,因此石英晶體振蕩器可分串聯(lián)型和并聯(lián)型兩種.用石英晶體諧振器及其等效電路,取代LC振蕩器中構成諧振回路的電感(L)和電容(C)元件,則很容易理解晶體振蕩器的工作原理.X1G005591031100日本EPSON晶振,愛普生石英晶體振蕩器