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                Geyer石英晶体振荡器电路应用笔记

                2022-04-25 18:00:59 

                石英晶体振荡器电路应用笔记

                IC内部有一个反相放大器(相移约为180°)形成部分∩振荡器电路。外部电路由石英晶体、Cx1、Cx2和Rv组成ca的另一个相移180°,满足360(或0)的反馈要求使电路以石英晶体给出的★频率振荡

                Rout,Cout:振荡器IC的输出电阻/输出电容Rin,Cin:石英晶体振荡器IC的输入电阻/-电容(起始值CMOS: 1M / 3pF) 这些值应※在制造商的IC数据手册中说明,但很少具体说明尽管它们对电路设计很重要。Rout可以通过上的电压降来计算已知的负载电△阻器

                石英晶●体的fL标称频率石英@晶体的R1 ESR(通常指定为上限) 石英晶体的C0静态电容(通常规定为上限)石英晶体的C1动态(运动)电容(很少指定)连接的CH1、CH2电容(约。0,8pF),可以忽略不计,因为◤包括在C0石英晶体的CL标称负ξ 载电容石英晶体的L1动态电感(很少指定)这些值在石英晶体制造商的数据表中规定。确切的数值可以通过用网络分析仪分析一批石英晶体◥得到.

                Manufacturer Part Number原厂编码 Manufacturer厂家 Series型号 Type 系列 Frequency Frequency Stability频率稳定卐度 Package / Case包装/封装
                FOXSDLF/120-20 Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSDLF/120-20 Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSDLF/120-20 Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSDLF/0368-20 Fox Electronics HC49SDLF MHz Crystal 3.6864MHz ±50ppm HC49/US
                FOXSDLF/0368-20 Fox Electronics HC49SDLF MHz Crystal 3.6864MHz ±50ppm HC49/US
                FOXSDLF/0368-20 Fox Electronics HC49SDLF MHz Crystal 3.6864MHz ±50ppm HC49/US
                FOXSDLF/115-20 Fox Electronics HC49SDLF MHz Crystal 11.0592MHz ±50ppm HC49/US
                FOXSDLF/115-20 Fox Electronics HC49SDLF MHz Crystal 11.0592MHz ±50ppm HC49/US
                FOXSDLF/115-20 Fox Electronics HC49SDLF MHz Crystal 11.0592MHz ±50ppm HC49/US
                FX135A-327 Fox Electronics FX135A kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FX135A-327 Fox Electronics FX135A kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FX135A-327 Fox Electronics FX135A kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FSRLF327 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FSRLF327 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FSRLF327 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FSXLF327 Fox Electronics FSXLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SMD, Flat Lead, 3 Leads
                FSXLF327 Fox Electronics FSXLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SMD, Flat Lead, 3 Leads
                FSXLF327 Fox Electronics FSXLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SMD, Flat Lead, 3 Leads
                FOXSLF/080-20 Fox Electronics HC49SLF MHz Crystal 8MHz ±50ppm HC49/US
                FQ5032B-12.000 Fox Electronics C5BQ MHz Crystal 12MHz ±30ppm 4-SMD, No Lead
                FQ5032B-12.000 Fox Electronics C5BQ MHz Crystal 12MHz ±30ppm 4-SMD, No Lead
                FQ5032B-12.000 Fox Electronics C5BQ MHz Crystal 12MHz ±30ppm 4-SMD, No Lead
                FQ5032B-25.000 Fox Electronics C5BQ MHz Crystal 25MHz ±30ppm 4-SMD, No Lead
                FQ5032B-25.000 Fox Electronics C5BQ MHz Crystal 25MHz ±30ppm 4-SMD, No Lead
                FQ5032B-25.000 Fox Electronics C5BQ MHz Crystal 25MHz ±30ppm 4-SMD, No Lead
                FSMLF327 Fox Electronics FSMLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 2.29mm pitch
                FSMLF327 Fox Electronics FSMLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 2.29mm pitch
                FSMLF327 Fox Electronics FSMLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 2.29mm pitch
                FQ7050B-8.000 Fox Electronics C7BQ MHz Crystal 8MHz ±30ppm 4-SMD, No Lead
                FQ7050B-8.000 Fox Electronics C7BQ MHz Crystal 8MHz ±30ppm 4-SMD, No Lead
                FQ7050B-8.000 Fox Electronics C7BQ MHz Crystal 8MHz ±30ppm 4-SMD, No Lead
                FQ7050B-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±30ppm 4-SMD, No Lead
                FQ7050B-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±30ppm 4-SMD, No Lead
                FQ7050B-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±30ppm 4-SMD, No Lead
                FQ1045A-6.000 Fox Electronics FQ1045A MHz Crystal 6MHz ±30ppm 2-SMD, No Lead
                FQ1045A-6.000 Fox Electronics FQ1045A MHz Crystal 6MHz ±30ppm 2-SMD, No Lead
                FQ1045A-6.000 Fox Electronics FQ1045A MHz Crystal 6MHz ±30ppm 2-SMD, No Lead
                FQ1045A-4.000 Fox Electronics FQ1045A MHz Crystal 4MHz ±30ppm 2-SMD, No Lead
                FQ1045A-4.000 Fox Electronics FQ1045A MHz Crystal 4MHz ±30ppm 2-SMD, No Lead
                FQ1045A-4.000 Fox Electronics FQ1045A MHz Crystal 4MHz ±30ppm 2-SMD, No Lead
                FOXLF024S Fox Electronics HC49ULF MHz Crystal 2.4576MHz ±50ppm HC49/U
                FOXSDLF/160-20 Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/160-20 Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/160-20 Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/200-20 Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/200-20 Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/200-20 Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/080-20 Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSDLF/080-20 Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSDLF/080-20 Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSDLF/250F-20 Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSDLF/250F-20 Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSDLF/250F-20 Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSDLF/147-20 Fox Electronics HC49SDLF MHz Crystal 14.7456MHz ±50ppm HC49/US
                FOXSDLF/147-20 Fox Electronics HC49SDLF MHz Crystal 14.7456MHz ±50ppm HC49/US
                FOXSDLF/147-20 Fox Electronics HC49SDLF MHz Crystal 14.7456MHz ±50ppm HC49/US
                FOXSDLF/240F-20 Fox Electronics HC49SDLF MHz Crystal 24MHz ±50ppm HC49/US
                FOXSDLF/240F-20 Fox Electronics HC49SDLF MHz Crystal 24MHz ±50ppm HC49/US
                FOXSDLF/240F-20 Fox Electronics HC49SDLF MHz Crystal 24MHz ±50ppm HC49/US
                FOXSDLF/080R-20/TR Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSDLF/080R-20/TR Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSDLF/080R-20/TR Fox Electronics HC49SDLF MHz Crystal 8MHz ±50ppm HC49/US
                FQ3225B-12.000 Fox Electronics FQ3225B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FQ3225B-12.000 Fox Electronics FQ3225B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FQ3225B-12.000 Fox Electronics FQ3225B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FOXSLF/200-20 Fox Electronics HC49SLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSLF/120-20 Fox Electronics HC49SLF MHz Crystal 12MHz ±50ppm HC49/US

                IC输入端的Ca有效电容为IC的Cin、杂散电容*之和PCB(4~6pF),石英晶体CH2的体电容(0,8pF),以及分立冷凝器C12。起始值:1,1...1.2倍氯IC输出端的Cb有效电容为PCB杂散电容*之和(4~6pF),石英晶体CH1的体电容(~ 0,8pF)和离散冷凝█器C11。起始值:2xCaRv串联电阻(应始终在布局中提供,即使后来用0欧姆)。设计中的有效串联电阻是Rv和Rout之和。*例如*可以№通过测量未安装的PCB来发现杂散电容。模拟: GEYER提供了Y-QUARTZ应用程序,这是一个工具,除了其他功能之外,还可ξ以模拟优化皮尔斯石英晶体振荡器的特性。通过输入上面的内容 值您可以可视化和改变反♂馈的振幅和相位特性电路,由石︼英晶体和周围元件组成),用于可靠的振荡『而不超过石英晶体的最大驱动水平。

                FOXSLF/040 Fox Electronics HC49SLF MHz Crystal 4MHz ±50ppm HC49/US
                FOXSLF/184-20 Fox Electronics HC49SLF MHz Crystal 18.432MHz ±50ppm HC49/US
                FOXSLF/036S Fox Electronics HC49SLF MHz Crystal 3.579545MHz ±50ppm HC49/US
                FOXSLF/221-20 Fox Electronics HC49SLF MHz Crystal 22.1184MHz ±50ppm HC49/US
                FOXSLF/100-20 Fox Electronics HC49SLF MHz Crystal 10MHz ±50ppm HC49/US
                FX252BS-16.000 Fox Electronics FX252B MHz Crystal 16MHz ±50ppm 4-SMD, No Lead
                FX252BS-16.000 Fox Electronics FX252B MHz Crystal 16MHz ±50ppm 4-SMD, No Lead
                FX252BS-16.000 Fox Electronics FX252B MHz Crystal 16MHz ±50ppm 4-SMD, No Lead
                FQ5032B-20.000 Fox Electronics C5BQ MHz Crystal 20MHz ±30ppm 4-SMD, No Lead
                FQ5032B-20.000 Fox Electronics C5BQ MHz Crystal 20MHz ±30ppm 4-SMD, No Lead
                FQ5032B-20.000 Fox Electronics C5BQ MHz Crystal 20MHz ±30ppm 4-SMD, No Lead
                FQ7050B-6.000 Fox Electronics C7BQ MHz Crystal 6MHz ±30ppm 4-SMD, No Lead
                FQ7050B-6.000 Fox Electronics C7BQ MHz Crystal 6MHz ±30ppm 4-SMD, No Lead
                FQ7050B-6.000 Fox Electronics C7BQ MHz Crystal 6MHz ±30ppm 4-SMD, No Lead
                FOXLF100-20 Fox Electronics HC49ULF MHz Crystal 10MHz ±50ppm HC49/U
                FOXLF200-20 Fox Electronics HC49ULF MHz Crystal 20MHz ±50ppm HC49/U
                FOXLF080-20 Fox Electronics HC49ULF MHz Crystal 8MHz ±50ppm HC49/U
                FOXLF115-20 Fox Electronics HC49ULF MHz Crystal 11.0592MHz ±50ppm HC49/U
                NC38LF-327 Fox Electronics NC38LF kHz Crystal (Tuning Fork) 32.768kHz - Cylindrical Can, Radial
                FOXLF040 Fox Electronics HC49ULF MHz Crystal 4MHz ±50ppm HC49/U
                NC26LF-327 Fox Electronics NC26LF kHz Crystal (Tuning Fork) 32.768kHz - Cylindrical Can, Radial
                FOXLF036S Fox Electronics HC49ULF MHz Crystal 3.579545MHz ±50ppm HC49/U
                FQ3225B-25.000 Fox Electronics FQ3225B MHz Crystal 25MHz ±50ppm 4-SMD, No Lead
                FQ3225B-25.000 Fox Electronics FQ3225B MHz Crystal 25MHz ±50ppm 4-SMD, No Lead
                FQ3225B-25.000 Fox Electronics FQ3225B MHz Crystal 25MHz ±50ppm 4-SMD, No Lead
                FQ1045A-3.6864 Fox Electronics FQ1045A MHz Crystal 3.6864MHz ±30ppm 2-SMD, No Lead
                FQ1045A-3.6864 Fox Electronics FQ1045A MHz Crystal 3.6864MHz ±30ppm 2-SMD, No Lead
                FQ1045A-3.6864 Fox Electronics FQ1045A MHz Crystal 3.6864MHz ±30ppm 2-SMD, No Lead
                FOXLF018S Fox Electronics HC49ULF MHz Crystal 1.8432MHz ±50ppm HC49/U
                FOXSDLF/036S Fox Electronics HC49SDLF MHz Crystal 3.579545MHz ±50ppm HC49/US
                FOXSDLF/036S Fox Electronics HC49SDLF MHz Crystal 3.579545MHz ±50ppm HC49/US
                FOXSDLF/036S Fox Electronics HC49SDLF MHz Crystal 3.579545MHz ±50ppm HC49/US
                FOXSDLF/120R-20/TR Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSDLF/120R-20/TR Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSDLF/120R-20/TR Fox Electronics HC49SDLF MHz Crystal 12MHz ±50ppm HC49/US
                FSRLF327-6 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FSRLF327-6 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FSRLF327-6 Fox Electronics FSRLF kHz Crystal (Tuning Fork) 32.768kHz - 4-SOJ, 5.50mm pitch
                FOXLF115 Fox Electronics HC49ULF MHz Crystal 11.0592MHz ±50ppm HC49/U
                FQ3225B-24.000 Fox Electronics FQ3225B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FQ3225B-24.000 Fox Electronics FQ3225B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FQ3225B-24.000 Fox Electronics FQ3225B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FOXLF0368S Fox Electronics HC49ULF MHz Crystal 3.6864MHz ±50ppm HC49/U
                FOXSDLF/184-20 Fox Electronics HC49SDLF MHz Crystal 18.432MHz ±50ppm HC49/US
                FOXSDLF/184-20 Fox Electronics HC49SDLF MHz Crystal 18.432MHz ±50ppm HC49/US
                FOXSDLF/184-20 Fox Electronics HC49SDLF MHz Crystal 18.432MHz ±50ppm HC49/US
                FOXSDLF/060-20 Fox Electronics HC49SDLF MHz Crystal 6MHz ±50ppm HC49/US
                FOXSDLF/060-20 Fox Electronics HC49SDLF MHz Crystal 6MHz ±50ppm HC49/US
                FOXSDLF/060-20 Fox Electronics HC49SDLF MHz Crystal 6MHz ±50ppm HC49/US
                FOXSDLF/040 Fox Electronics HC49SDLF MHz Crystal 4MHz ±50ppm HC49/US
                FOXSDLF/040 Fox Electronics HC49SDLF MHz Crystal 4MHz ±50ppm HC49/US
                FOXSDLF/040 Fox Electronics HC49SDLF MHz Crystal 4MHz ±50ppm HC49/US
                FOXSDLF/221-20 Fox Electronics HC49SDLF MHz Crystal 22.1184MHz ±50ppm HC49/US
                FOXSDLF/221-20 Fox Electronics HC49SDLF MHz Crystal 22.1184MHz ±50ppm HC49/US
                FOXSDLF/221-20 Fox Electronics HC49SDLF MHz Crystal 22.1184MHz ±50ppm HC49/US
                FOXSDLF/073-20 Fox Electronics HC49SDLF MHz Crystal 7.3728MHz ±50ppm HC49/US
                FOXSDLF/073-20 Fox Electronics HC49SDLF MHz Crystal 7.3728MHz ±50ppm HC49/US
                FOXSDLF/073-20 Fox Electronics HC49SDLF MHz Crystal 7.3728MHz ±50ppm HC49/US
                FOXSDLF/049-20 Fox Electronics HC49SDLF MHz Crystal 4.9152MHz ±50ppm HC49/US
                FOXSDLF/049-20 Fox Electronics HC49SDLF MHz Crystal 4.9152MHz ±50ppm HC49/US

                实施/布局: 布局需要特别注意:低电容〓短走线、对称布局, 没有过孔,附近没有“热”迹线。如果无法避免过孔,则应铺设过孔 对称地。 验证: 必须在原型PCB上验证石英晶体振荡器的正确功能, 因为寄生电容和电阻事先是未知的 必须根据石英的预期功能调整电阻器ㄨ和电容器晶体振荡器。 必须使用有源低电容探头(< =2pF)进行测量,因为电容>10pF的普通探头会完全改变设置并呈现所有测量没用。如果没有低电容探头,可以使用小陶№瓷电容器(1~2pF)可以暂时〖与探头串联使用测量。然而,给定频率下分频器比率⊙的重新校准不可避免.

                FOXSDLF/049-20 Fox Electronics HC49SDLF MHz Crystal 4.9152MHz ±50ppm HC49/US
                FOXSDLF/250FR-20/TR Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSDLF/250FR-20/TR Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSDLF/250FR-20/TR Fox Electronics HC49SDLF MHz Crystal 25MHz ±50ppm HC49/US
                FX425B-12.000 Fox Electronics FX425B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FX425B-12.000 Fox Electronics FX425B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FX425B-12.000 Fox Electronics FX425B MHz Crystal 12MHz ±50ppm 4-SMD, No Lead
                FQ5032B-18.432 Fox Electronics C5BQ MHz Crystal 18.432MHz ±30ppm 4-SMD, No Lead
                FQ5032B-18.432 Fox Electronics C5BQ MHz Crystal 18.432MHz ±30ppm 4-SMD, No Lead
                FQ5032B-18.432 Fox Electronics C5BQ MHz Crystal 18.432MHz ±30ppm 4-SMD, No Lead
                FX252BS-24.000 Fox Electronics FX252B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FX252BS-24.000 Fox Electronics FX252B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FX252BS-24.000 Fox Electronics FX252B MHz Crystal 24MHz ±50ppm 4-SMD, No Lead
                FQ7050BR-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±50ppm 4-SMD, No Lead
                FQ7050BR-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±50ppm 4-SMD, No Lead
                FQ7050BR-7.3728 Fox Electronics C7BQ MHz Crystal 7.3728MHz ±50ppm 4-SMD, No Lead
                FX122-327 Fox Electronics FX122 kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FX122-327 Fox Electronics FX122 kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FX122-327 Fox Electronics FX122 kHz Crystal (Tuning Fork) 32.768kHz - 2-SMD, No Lead
                FOXSLF/115-20 Fox Electronics HC49SLF MHz Crystal 11.0592MHz ±50ppm HC49/US
                FOXSLF/250F-20 Fox Electronics HC49SLF MHz Crystal 25MHz ±50ppm HC49/US
                FOXSLF/147-20 Fox Electronics HC49SLF MHz Crystal 14.7456MHz ±50ppm HC49/US
                FOXSLF/073-20 Fox Electronics HC49SLF MHz Crystal 7.3728MHz ±50ppm HC49/US
                FOXSLF/160-20 Fox Electronics HC49SLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSLF/160 Fox Electronics HC49SLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSLF/080 Fox Electronics HC49SLF MHz Crystal 8MHz ±50ppm HC49/US
                FOXSLF/128-20 Fox Electronics HC49SLF MHz Crystal 12.288MHz ±50ppm HC49/US
                FOXSLF/245F-20 Fox Electronics HC49SLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSLF/040A Fox Electronics HC49SLF MHz Crystal 4MHz ±50ppm HC49/US
                FOXSLF/120 Fox Electronics HC49SLF MHz Crystal 12MHz ±50ppm HC49/US
                FOXSLF/0368-20 Fox Electronics HC49SLF MHz Crystal 3.6864MHz ±50ppm HC49/US
                FOXSLF/240F-20 Fox Electronics HC49SLF MHz Crystal 24MHz ±50ppm HC49/US
                FOXLF250F-20 Fox Electronics HC49ULF MHz Crystal 25MHz ±50ppm HC49/U
                FOXLF120-20 Fox Electronics HC49ULF MHz Crystal 12MHz ±50ppm HC49/U
                FOXLF160 Fox Electronics HC49ULF MHz Crystal 16MHz ±50ppm HC49/U
                FOXLF160-20 Fox Electronics HC49ULF MHz Crystal 16MHz ±50ppm HC49/U
                FOXLF040A Fox Electronics HC49ULF MHz Crystal 4MHz ±50ppm HC49/U
                FOXLF0368-20 Fox Electronics HC49ULF MHz Crystal 3.6864MHz ±50ppm HC49/U
                FOXSLF/143-20 Fox Electronics HC49SLF MHz Crystal 14.31818MHz ±50ppm HC49/US
                FOXSDLF/143-20 Fox Electronics HC49SDLF MHz Crystal 14.31818MHz ±50ppm HC49/US
                FOXSDLF/143-20 Fox Electronics HC49SDLF MHz Crystal 14.31818MHz ±50ppm HC49/US
                FOXSDLF/143-20 Fox Electronics HC49SDLF MHz Crystal 14.31818MHz ±50ppm HC49/US
                FOXSDLF/245F-20 Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSDLF/245F-20 Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSDLF/245F-20 Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSDLF/041 Fox Electronics HC49SDLF MHz Crystal 4.194304MHz ±50ppm HC49/US
                FOXSDLF/041 Fox Electronics HC49SDLF MHz Crystal 4.194304MHz ±50ppm HC49/US
                FOXSDLF/041 Fox Electronics HC49SDLF MHz Crystal 4.194304MHz ±50ppm HC49/US
                FOXSDLF/100-20 Fox Electronics HC49SDLF MHz Crystal 10MHz ±50ppm HC49/US
                FOXSDLF/100-20 Fox Electronics HC49SDLF MHz Crystal 10MHz ±50ppm HC49/US
                FOXSDLF/100-20 Fox Electronics HC49SDLF MHz Crystal 10MHz ±50ppm HC49/US
                FOXSDLF/160R-20/TR Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/160R-20/TR Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/160R-20/TR Fox Electronics HC49SDLF MHz Crystal 16MHz ±50ppm HC49/US
                FOXSDLF/200R-20/TR Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/200R-20/TR Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/200R-20/TR Fox Electronics HC49SDLF MHz Crystal 20MHz ±50ppm HC49/US
                FOXSDLF/245FR-20/TR Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSDLF/245FR-20/TR Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FOXSDLF/245FR-20/TR Fox Electronics HC49SDLF MHz Crystal 24.576MHz ±50ppm HC49/US
                FQ5032B-24.576 Fox Electronics C5BQ MHz Crystal 24.576MHz ±30ppm 4-SMD, No Lead
                FQ5032B-24.576 Fox Electronics C5BQ MHz Crystal 24.576MHz ±30ppm 4-SMD, No Lead
                FQ5032B-24.576 Fox Electronics C5BQ MHz Crystal 24.576MHz ±30ppm 4-SMD, No Lead
                FQ5032B-24.000 Fox Electronics C5BQ MHz Crystal 24MHz ±30ppm 4-SMD, No Lead
                FQ5032B-24.000 Fox Electronics C5BQ MHz Crystal 24MHz ±30ppm 4-SMD, No Lead
                FQ5032B-24.000 Fox Electronics C5BQ MHz Crystal 24MHz ±30ppm 4-SMD, No Lead