- [公司资讯]超低功耗MCU模拟器件优化ECS晶体振荡器精准选型准则2026年07月24日 00:59
超低功耗MCU模拟器件优化ECS晶体振荡器精准选型准则
超低功耗MCU的核心优势在于休眠功耗极低,待机续航持久,其搭载的模拟电路主要负责信号采集,电压监测,定时唤醒,低频通信等功能,对时钟源的要求与常规高速MCU截然不同,传统晶振选型极易出现适配漏洞,核心痛点集中在四点:1.功耗不匹配,透支设备续航:普通晶振起振电流,工作电流偏高,无法适配nA级休眠,μA级待机的超低功耗MCU,即使MCU进入深度休眠模式,晶振持续耗电,大幅缩短电池供电设备的使用寿命.
2.参数不兼容,模拟采样失真:MCU模拟器件的AD采样,基准电压校准,低频信号处理对时钟稳定性要求极高,普通晶振温漂大,频率偏差高,会导致模拟数据采样误差,信号失真,降低设备检测精度.
3.负载阻抗不符,起振异常:低功耗MCU内部振荡电路驱动能力偏弱,常规高ESR(等效串联电阻)晶振易出现起振慢,起振不稳定,停振等问题,直接导致MCU死机,定时失效,唤醒异常.
4.温稳性不足,极端工况失效:工业,户外物联网设备温差跨度大,普通晶振高低温环境下频率漂移严重,造成MCU时钟错乱,模拟器件工作阈值偏移,设备故障率大幅提升.
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- [公司资讯]SiTime晶振TCXO与OCXO的定位差异与选型指南2026年07月22日 06:03
SiTime晶振TCXO与OCXO的定位差异与选型指南
作为全球MEMS精密时序标杆品牌,SiTime推出的MEMS超TCXO与高端Emerald系列OCXO,彻底颠覆传统石英晶振的设计逻辑,凭借全硅固态架构,全数字补偿,可编程调谐,抗振抗冲击,低老化漂移等核心优势,大幅降低硬件设计门槛,同时全面提升系统时序上限.不同于传统石英器件严苛的布线要求,繁琐的外围匹配,固定的参数限制,SiTimeTCXO/OCXO具备高集成,高容错,可配置,高抗扰的设计特性,可帮助研发工程师快速完成高性能时序系统搭建,缩短研发周期,减少改版次数,降低量产不良率.深圳市康华尔电子有限公司作为SiTime官方授权一级代理商,专注为硬件研发团队提供SiTime全系TCXO,OCXO,可编程MEMS时钟芯片的精准选型,设计指导,电路适配,方案替换与批量量产配套服务,助力工程师一次性搞定精密时序设计,规避各类设计踩坑问题,技术咨询热线:0755-27838351.ext":{"initialAttributedTexts":{"text":{"0":"作为全球MEMS精密时序标杆品牌,SiTime推出的MEMS超TCXO与高端Emerald系列OCXO,彻底颠覆传统石英晶振的设计逻辑,凭借全硅固态架构、全数字补偿、可编程调谐、抗振抗冲击、低老化漂移等核心优势,大幅降低硬件设计门槛,同时全面提升系统时序上限。不同于传统石英器件严苛的布线要求、繁琐的外围匹配、固定的参数限制,SiTime TCXO/OCXO具备高集成、高容错、可配置、高抗扰的设计特性,可帮助研发工程师快速完成高性能时序系统搭建,缩短研发周期、减少改版次数、降低量产不良率。深圳市康华尔电子有限公司作为SiTime思泰明官方授权一级代理商,专注为硬件研发团队提供SiTime全系TCXO、OCXO、可编程MEMS时钟芯片的精准选型、设计指导、电路适配、方案替换与批量量产配套服务,助力工程师一次性搞定精密时序设计,规避各类设计踩坑问题,技术咨询热线:0755-27838351。"},"attribs":{"0":"*0*1+q*0*1*2+p*0*1+5f*0*1*2+c*0*1+3i*0*1*2+d*0*1+1"}},"apool":{"numToAttrib":{"0":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"1":["author","7592593332774128587"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"bbe2c167-35f5-4539-a1ea-74d310cae396","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":3,"type":"text","selection":{"start":0,"end":398},"recordId":"JQe7fQsegdD72vcoOAqc07h6nkg"}],"payloadMap":{},"isCut":false}'>
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- [公司资讯]RIVER日本大河晶振KCRO系列具备超低的抖动特性2026年07月21日 00:18
RIVER日本大河晶振KCRO系列具备超低的抖动特性
作为拥有七十余年晶体研发制造底蕴的日本老牌精工企业,RIVER日本大河晶振深耕高精度,低噪声时钟元器件领域,针对高端高速设备的时序痛点,重磅推出KCRO系列超低抖动晶振.该系列产品依托RIVER独家KoT切割专利技术与无PLL纯晶振振荡架构,突破传统时钟器件的噪声瓶颈,实现业界顶尖的超低抖动,超低相位噪声性能,为高速通信,智能算力,精密工控,高端车载等高精尖场景提供纯净,稳定,精准的基准时钟信号.深圳市康华尔电子为RIVER日本大河晶振官方授权代理商,原厂直供KCRO全系列超低抖动晶振,现货充足,技术配套完善,欢迎各大研发,量产企业咨询对接:0755-27838351.ext":{"initialAttributedTexts":{"text":{"0":"作为拥有七十余年晶体研发制造底蕴的日本老牌精工企业,RIVER日本大河晶振深耕高精度、低噪声时钟元器件领域,针对高端高速设备的时序痛点,重磅推出KCRO系列超低抖动晶振。该系列产品依托RIVER独家KoT切割专利技术与无PLL纯晶振振荡架构,突破传统时钟器件的噪声瓶颈,实现业界顶尖的超低抖动、超低相位噪声性能,为高速通信、智能算力、精密工控、高端车载等高精尖场景提供纯净、稳定、精准的基准时钟信号。深圳市康华尔电子为RIVER日本大河晶振官方授权代理商,原厂直供KCRO全系列超低抖动晶振,现货充足、技术配套完善,欢迎各大研发、量产企业咨询对接:0755-27838351。"},"attribs":{"0":"*1*0+20*1*0*2+c*1*0+38*1*0*2+r*1*0+1p"}},"apool":{"numToAttrib":{"0":["author","7592593332774128587"],"1":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"31087e8f-8ba5-4ee2-9d03-1d7de8bbe544","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":3,"type":"text","selection":{"start":0,"end":288},"recordId":"W1yjfKfSJdLJiQcWvdvcaflpnwe"}],"payloadMap":{},"isCut":false}'>- 阅读(62)
- [公司资讯]NDK音响专用超低相位噪声OCXO恒温晶振核心特长解析2026年07月14日 02:08
NDK音响专用超低相位噪声OCXO恒温晶振核心特长解析
在数字音频系统中,所有声音信号的采样,解码,转换,输出都需要依托晶振提供精准,纯净,稳定的时钟时序.普通晶振,常规TCXO温补晶振存在明显的近端相位噪声偏高,时钟抖动量大,短期频率稳定性不足等问题,这些细微的时钟误差,在音频系统中会被无限放大,成为音质劣化的核心根源.常规时钟器件的相位噪声缺陷,会引发一系列典型音质问题:近端杂散噪声会叠加在音频信号中,导致高频延伸不足,细节丢失,齿音刺耳;时钟抖动超标会造成时序错乱,引发低频拖沓浑浊,动态范围压缩,声场塌陷;频率瞬时偏移会破坏乐器结像定位,导致立体声分离度不足,人声与伴奏层次感模糊.尤其针对当下主流的DSD高清音源,高采样率无损音频,普通时钟器件的精度短板会彻底浪费高清音源的原始细节,无法实现高保真还原,这也是高端音响设备必须搭载超低相位噪声OCXO的核心原因.
而NDKDuCULoN®音频专用OCXO,彻底摒弃通用晶振的设计逻辑,以音频音质优化为核心导向,针对性攻克相位噪声,时钟抖动,频率稳定三大核心难题,是高端Hi-Fi音响,专业音频设备的御用级时钟基准.
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- [公司资讯]Q-Tech晶振航天军事与高温场景完整解决方案2026年07月04日 05:20
Q-Tech晶振航天军事与高温场景完整解决方案
针对航天军事,高温极端工况的多维度严苛痛点,Q-Tech摒弃民用低成本设计逻辑,全程按照军工MIL标准,航天宇航级可靠性规范设计制造,从晶片选材,精密切角,应力优化,加固封装,预老化筛选,抗辐照工艺,动态稳频补偿全链路专项优化,形成适配极端高温,强振,辐照,宽温变场景的成熟解决方案,彻底解决普通晶振高温漂移大,老化快,抗扰弱,易失效的行业短板.ext":{"initialAttributedTexts":{"text":{"0":"针对航天军事、高温极端工况的多维度严苛痛点,Q-Tech摒弃民用低成本设计逻辑,全程按照军工MIL标准、航天宇航级可靠性规范设计制造,从晶片选材、精密切角、应力优化、加固封装、预老化筛选、抗辐照工艺、动态稳频补偿全链路专项优化,形成适配极端高温、强振、辐照、宽温变场景的成熟解决方案,彻底解决普通晶振高温漂移大、老化快、抗扰弱、易失效的行业短板。"},"attribs":{"0":"*0*1+18*0*1*2+i*0*1+33"}},"apool":{"numToAttrib":{"0":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"1":["author","7592593332774128587"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"9e2b465f-875d-46f9-ba99-f75fe1c0637f","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":18,"type":"text","selection":{"start":0,"end":173},"recordId":"AEr0fNtzYdMlv8cyGQdcvBjrn0b"}],"payloadMap":{},"isCut":false}'>- 阅读(61)
- [公司资讯]Microchip晶振PIC18F-Q35借助CLB功能突破局限2026年07月03日 05:21
Microchip晶振PIC18F-Q35借助CLB功能突破局限
CLB(ConfigurableLogicBlock,可配置逻辑单元)是Microchip为PIC18F-Q35系列专属升级的创新性硬件架构,也是该系列MCU区别于传统通用8位单片机的核心亮点.不同于传统MCU固定的硬件外设架构,CLB是一套独立,可自由配置,可灵活组合的硬件逻辑资源,无需依赖CPU内核运算,无需新增外围分立器件,用户可通过配置软件自由搭建自定义组合逻辑,时序逻辑,触发逻辑,联动逻辑,真正实现"硬件逻辑按需定制",大幅释放MCU性能潜力与设计灵活性.PIC18F-Q35系列集成多组独立CLB逻辑单元,内部搭载可配置门电路,触发器,锁存器,多路选择器,同步/异步触发模块,信号滤波模块,边沿检测模块,支持各类基础逻辑运算与复杂时序逻辑组合.所有CLB逻辑均为纯硬件独立运行,无需CPU参与运算,不占用系统主频与内核资源,响应速度达到硬件纳秒级,时序精准,无软件延时,无抖动,无误差,完美解决软件模拟逻辑的各类缺陷.同时CLB支持在线配置,灵活改版,无需修改硬件电路,仅通过软件参数配置即可完成逻辑功能调整,极大降低产品迭代成本与改板风险.ext":{"initialAttributedTexts":{"text":{"0":"CLB(Configurable Logic Block,可配置逻辑单元)是Microchip为PIC18F-Q35系列专属升级的创新性硬件架构,也是该系列MCU区别于传统通用8位单片机的核心亮点。不同于传统MCU固定的硬件外设架构,CLB是一套独立、可自由配置、可灵活组合的硬件逻辑资源,无需依赖CPU内核运算、无需新增外围分立器件,用户可通过配置软件自由搭建自定义组合逻辑、时序逻辑、触发逻辑、联动逻辑,真正实现“硬件逻辑按需定制”,大幅释放MCU性能潜力与设计灵活性。"},"attribs":{"0":"*0*1*2+11*0*1+40*0*1*2+m*0*1+y"}},"apool":{"numToAttrib":{"0":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"1":["author","7592593332774128587"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"ee8be3c6-f1e5-4525-8a4e-c7840ead28eb","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":8,"type":"text","selection":{"start":0,"end":237},"recordId":"ZFgdfSluFdk1D6cM1EXc5CvFnqh"}],"payloadMap":{},"isCut":false}'>ext":{"initialAttributedTexts":{"text":{"0":"PIC18F-Q35系列集成多组独立CLB逻辑单元,内部搭载可配置门电路、触发器、锁存器、多路选择器、同步/异步触发模块、信号滤波模块、边沿检测模块,支持各类基础逻辑运算与复杂时序逻辑组合。所有CLB逻辑均为纯硬件独立运行,无需CPU参与运算,不占用系统主频与内核资源,响应速度达到硬件纳秒级,时序精准、无软件延时、无抖动、无误差,完美解决软件模拟逻辑的各类缺陷。同时CLB支持在线配置、灵活改版,无需修改硬件电路,仅通过软件参数配置即可完成逻辑功能调整,极大降低产品迭代成本与改板风险。"},"attribs":{"0":"*0*1+2w*0*1*2+7*0*1+3p"}},"apool":{"numToAttrib":{"0":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"1":["author","7592593332774128587"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"6817eaf4-9125-46d1-9afc-52a1276d4499","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":9,"type":"text","selection":{"start":0,"end":244},"recordId":"ILpIfE4kzdiE3acjNXgcNhLznFh"}],"payloadMap":{},"isCut":false}'>- 阅读(62)
- [公司资讯]Statek用于BLE和MICS应用的医疗级石英晶体晶振2026年07月02日 00:14
Statek用于BLE和MICS应用的医疗级石英晶体晶振
随着智慧医疗,远程监护,微创植入医疗技术的高速普及,医疗电子设备正式迈入无线化,微型化,低功耗,高可靠,长续航的全新发展阶段.区别于普通民用电子设备,医疗设备尤其是植入式,穿戴式,便携式诊疗设备,对核心时序元器件的精度,稳定性,安全性,抗干扰性,使用寿命有着严苛的行业合规标准与临床使用要求.在众多无线医疗通信技术中,BLE低功耗蓝牙与MICS医疗植入通信服务频段是当下远程医疗监护,植入式医疗器械,便携诊疗终端的核心通信载体,广泛应用于生命体征监测,植入式心律管理,神经刺激治疗,移动医疗数据传输等关键场景.ext":{"initialAttributedTexts":{"text":{"0":"随着智慧医疗、远程监护、微创植入医疗技术的高速普及,医疗电子设备正式迈入无线化、微型化、低功耗、高可靠、长续航的全新发展阶段。区别于普通民用电子设备,医疗设备尤其是植入式、穿戴式、便携式诊疗设备,对核心时序元器件的精度、稳定性、安全性、抗干扰性、使用寿命有着严苛的行业合规标准与临床使用要求。在众多无线医疗通信技术中,BLE低功耗蓝牙与MICS医疗植入通信服务频段是当下远程医疗监护、植入式医疗器械、便携诊疗终端的核心通信载体,广泛应用于生命体征监测、植入式心律管理、神经刺激治疗、移动医疗数据传输等关键场景。"},"attribs":{"0":"*1*0+10*1*0*2+j*1*0+2w*1*0*2+8*1*0+1*1*0*2+e*1*0+21"}},"apool":{"numToAttrib":{"0":["author","7592593332774128587"],"1":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":true,"pasteRandomId":"7a1f60a6-f46c-462d-b7a0-b0946807a769","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":2,"type":"text","selection":{"start":0,"end":255},"recordId":"LSzFfkOCFdXEV4cZN8xcMmM8n50"}],"payloadMap":{},"isCut":false}'>- 阅读(78)
- [公司资讯]Abracon助力实现下一代性能的电力解决方案2026年06月30日 00:34
Abracon助力实现下一代性能的电力解决方案
随着新型电力系统建设全面提速,新能源并网,智能电网,储能系统,电力自动化运维,智慧配电与电力物联网迎来跨越式发展.风电,光伏等间歇性新能源大规模并入电网,叠加分布式储能,微电网,柔性负载的广泛普及,传统电力系统正从"粗放式稳定供电"向"精细化,数字化,智能化,高可靠"的下一代高性能电力体系全面转型.在全新的电力运行架构下,高精度时间同步,稳定频率控制,低抖动信号传输,全天候可靠运行成为保障电网安全稳定,精准计量,高效调度,故障精准溯源的核心基础.电力系统的每一次并网切换,每一组数据采集,每一次保护动作,每一条调度指令落地,都离不开精密时序器件的硬核支撑.作为全球知名的频率控制与定时器件领军品牌,Abracon(艾博康)深耕时频技术数十年,针对电力行业高温,强电磁干扰,长期不间断运行,宽温域工况等严苛场景,量身打造下一代高性能电力专用频率控制与定时解决方案,全方位赋能智能电网,新能源储能,电力自动化,电力测控保护等核心场景迭代升级.ext":{"initialAttributedTexts":{"text":{"0":"随着新型电力系统建设全面提速,新能源并网、智能电网、储能系统、电力自动化运维、智慧配电与电力物联网迎来跨越式发展。风电、光伏等间歇性新能源大规模并入电网,叠加分布式储能、微电网、柔性负载的广泛普及,传统电力系统正从“粗放式稳定供电”向“精细化、数字化、智能化、高可靠”的下一代高性能电力体系全面转型。在全新的电力运行架构下,高精度时间同步、稳定频率控制、低抖动信号传输、全天候可靠运行成为保障电网安全稳定、精准计量、高效调度、故障精准溯源的核心基础。电力系统的每一次并网切换、每一组数据采集、每一次保护动作、每一条调度指令落地,都离不开精密时序器件的硬核支撑。作为全球知名的频率控制与定时器件领军品牌,Abracon(艾博康)深耕时频技术数十年,针对电力行业高温、强电磁干扰、长期不间断运行、宽温域工况等严苛场景,量身打造下一代高性能电力专用频率控制与定时解决方案,全方位赋能智能电网、新能源储能、电力自动化、电力测控保护等核心场景迭代升级。"},"attribs":{"0":"*0*1+4i*0*1*2+u*0*1+6d"}},"apool":{"numToAttrib":{"0":["ai-extra","{\"is_ai_gen\":true,\"rewrite_command\":1}"],"1":["author","7592593332774128587"],"2":["bold","true"]},"nextNum":3}},"type":"text","referenceRecordMap":{},"extra":{"channel":"saas","isEqualBlockSelection":false,"pasteRandomId":"15ef9fbc-a28e-47ed-b8a2-8561b60bf266","mention_page_title":{},"external_mention_url":{}},"isKeepQuoteContainer":false,"isFromCode":false,"selection":[{"id":2,"type":"text","selection":{"start":0,"end":421},"recordId":"HtxGfEulUdMpEkc2exJcbhrUn7c"}],"payloadMap":{},"isCut":false}'>- 阅读(82)
- [TXC资讯]记GEYER格耶晶振行业坚守匠心六十载在晶振领路人2025年09月22日 13:41
- 匠心六十载,晶振领路人——记GEYERElectronic的行业坚守
自1964年在德国扎根,GEYER Electronic以六十余载的深耕细作,在频率产品领域铸就了不朽的行业丰碑.作为石英晶体、振荡器与陶瓷谐振器的领先制造商,它用技术创新与全球服务,诠释着“专注”二字的重量,而KX-327L型号欧美晶振的卓越性能,更成为其领跑行业的生动注脚. - 阅读(163)
- [TXC资讯]驱动电子时代巨轮格耶Geyer型号KX-4晶振的首选2025年08月26日 11:46
- 微小晶振,驱动时代巨轮——论丹麦格耶GeyerKX-4晶振的科技价值
在物联网浪潮奔涌、智能设备普及的当下,有许多看似微小却不可或缺的元件支撑着科技大厦,丹麦格耶Geyer品牌的KX-4晶振便是其中的关键一员.这款尺寸仅1.6×1.2×0.35毫米的元件,以其卓越性能,在众多领域绽放光彩,彰显着“小元件大能量”的科技真理.
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- [TXC资讯]是5G基站雷达监测科技时代的隐形基石Greenray晶振YH1322系列OCXO2025年07月09日 11:36
- 是5G基站雷达监测科技时代的隐形基石Greenray晶振YH1322系列OCXO在5G基站的机房里,在航空管制中心的显示屏后,在雷达监测的精密仪器中,一种看似不起眼的电子元件正在默默支撑着现代科技的运转——这就是美国格林雷Greenray晶振的YH1322系列OCXO.它以毫米之躯承载着通信与测量的精度,堪称科技时代的隐形基石.
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- [TXC优势]CTS西迪斯CA系列新的LVPECL和LVDS选项2023年10月17日 17:45
- CTS西迪斯CA系列新的LVPECL和LVDS选项
CTS汽车级时钟振荡器扩展
CTS Corporation (NYSE: CTS)宣布扩展其CA系列汽车级时钟晶体振荡器系列,增加支持LVPECL和LVDS输出差分晶振的器件。专为要求宽工作温度范围的汽车、工业和商业军事/航空航天应用而设计,所有CA系列器件均在TS16949认证生产线上制造,通过AEC-Q200认证,符合PPAP标准,工作温度范围为标准汽车温度范围-40°C至+125°C。
CA系列新增产品提供一系列紧凑型密封陶瓷SMD晶振封装尺寸,提供标准差分负载驱动能力,典型上升和下降时间小于0.7ns,以及标准引脚1输出使能/禁用功能。频率稳定性在-40°C/+85°C范围内低至25ppm,在-40°C/+125°C范围内高达100ppm。
新的LVPECL和LVDS选项加入了现有的CA系列HCMOS输出时钟晶体振荡器系列。CA系列系列平台也适合支持广泛的细分市场;涵盖电信基础设施、网络、服务器应用、测试和测量、医疗诊断设备等等;为无风扇应用提供出色的相位抖动性能和扩展的温度范围。 - 阅读(697)
- [台湾晶体技术]领先同行HELE汽车级SMD晶体术语与选型2023年09月28日 11:35
领先同行HELE汽车级SMD晶体术语与选型,Crystal oscillators and crystal resonators are essential components used in electronic devices to generate precise and stable frequencies. As an engineer working with these components, it's important to understand some key terms that will help you select the right crystal for your application. Here are six everyday terms you need to know:
1. Fundamental Mode
The fundamental mode refers to the primary frequency at which a crystal is designed to vibrate. Most crystals operate in the fundamental mode, meaning they vibrate at their intended frequency. However, crystals can also be designed to vibrate at higher frequencies, known as overtones. These overtones occur near multiples of the fundamental resonant frequency, such as the 3rd or 5th overtone. When selecting a crystal, it's crucial to determine whether it operates in the fundamental mode or an overtone mode.
2. Operating Temperature Range
The operating temperature range specifies the temperatures within which a crystal can function reliably. Different applications may require crystals that can withstand specific temperature ranges. For example, automotive-grade crystals may have an operating temperature range of -40°C to 125°C. It's important to pay attention to the operating temperature range of a crystal to ensure it meets the requirements of your application.
3. Frequency Stability
Frequency stability refers to the ability of a crystal oscillator or resonator to maintain a consistent frequency output over time. It is expressed in parts per million (ppm) and typically measured at room temperature (25°C). The lower the ppm value, the more stable the frequency output. Crystals with higher stability are often used in applications where precision is crucial, such as GPS devices.
4. Frequency Tolerance
Frequency tolerance represents the acceptable deviation from the stated frequency across the entire operating temperature range of the crystal. It is added to the frequency stability value measured at room temperature. For example, a crystal with a frequency stability of 50 ppm and a frequency tolerance of 50 ppm means that the actual frequency may vary by up to 100 ppm across the entire temperature range.
5. Load Capacitance
Load capacitance refers to the capacitance value within the crystal oscillator or resonator. It is expressed in picofarads (pF) and determines the external capacitance required for the crystal to function optimally. The load capacitance can be a standard value specified on the datasheet or customized based on the specific requirements of the circuit design. Optimizing the load capacitance helps ensure the crystal's stable operation across temperature extremes.
6. Case Size
The case size indicates the physical dimensions of the crystal package. It is typically expressed as length x width x height (e.g., 5.0mm x 3.2mm x 0.8mm). Additionally, the case size may specify the number of pads (2 or 4) and the package type, such as ceramic, plastic, glass weld, or epoxy weld. Engineers often refer to case sizes using industry-standard codes like 2016 or 3225.
By familiarizing yourself with these everyday terms, you'll gain a better understanding of crystal oscillators and crystal resonators. Remember to consider fundamental mode, operating temperature range, frequency stability, frequency tolerance, load capacitance, and case size when selecting the right crystal for your electronic designs.
Note: The information provided is based on industry knowledge and best practices. For detailed specifications and further guidance, consult the manufacturer's datasheets and application notes.
For additional information, contact Harmony Electronics to discuss our crystal devices and how we can assist with your quartz frequency component needs. We encourage you to explore our website to learn more about our company, applications, and product offerings.
晶体振荡器和石英晶体谐振器是电子设备中用来产生精确和稳定频率的基本元件。作为一名使用这些元件的工程师,了解一些关键术语非常重要,这将有助于您根据应用选择合适的晶体。以下是你需要知道的六个日常用语:
1.基本形式
基模是指晶体设计振动的主要频率。大多数晶体以基本模式运行,这意味着它们以预定的频率振动。然而,晶体也可以被设计成以更高的频率振动,即泛音。这些泛音出现在基本谐振频率的倍数附近,例如第三或第五泛音。选择晶振时,确定它是工作在基音模式还是泛音模式至关重要。
2.工作温度范围
工作温度范围规定了晶体能够可靠工作的温度。不同的应用可能需要能够承受特定温度范围的晶体。例如,汽车级SMD晶体的工作温度范围可能为-40°C至125°C,务必注意晶体的工作温度范围,以确保其满足应用要求。领先同行HELE汽车级SMD晶体术语与选型.
3.频率稳定度
频率稳定性是指晶体振荡器或谐振器在一段时间内保持一致频率输出的能力。它以百万分率(ppm)表示,通常在室温(25°C)下测量。ppm值越低,频率输出越稳定。稳定性更高的晶体通常用于精度至关重要的应用中,如GPS设备。
4.频率公差
频率容差表示在晶体的整个工作温度范围内,与规定频率的可接受偏差。它与室温下测得的频率稳定度值相加。例如,频率稳定性为50ppm、频率容差为50ppm的石英晶体意味着实际频率在整个温度范围内的变化幅度最高可达100ppm。
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- [公司资讯]艾博康超低抖动石英晶体振荡器介绍2023年09月06日 13:59
艾博康超低抖动石英晶体振荡器介绍,Small form factors allow system designers to keep their products condensed and compact, but the reduced size comes at a performance cost compared to larger versions of the same components. For high-speed computations and operations, many applications require extremely low jitter from the reference clock. System designers evaluate the trade-offs and alternatives to search for the best combination of size and rms phase jitter performance. Some applications that use such low jitter technology include optical modules, cloud computing, networking, data storage, PCIe-5/6, 100G/200G/400G/800G Ethernet and other RF applications.
小的外形因素使系统设计师能够保持其有源晶振产品的简洁和紧凑,但与相同组件的较大版本相比,尺寸的减小会带来性能成本。对于高速计算和操作,许多应用程序需要极低的抖动参考时钟。系统设计者评估权衡和备选方案,以搜索尺寸和均方根相位抖动性能的最佳组合。一些使用如此低抖动技术包括光学模块、云计算、网络、数据存储、PCIe-5/6、100G/200G/400G/800G以太网和其他射频应用。
In 2019, Abracon released its first generation AK2 and AX3 series as part of the ClearClock™ family of ultra-low jitter quartz crystal oscillators. These third-overtone solutions were created to keep up with the demand for 100 to 200 MHz clocking solutions in small package sizes; particularly PCI Express, optical transceivers, data storage, and networking designs. Abracon ClearClock™ solutions are offered in LVPECL, LVDS, and HCSL outputs across this frequency range.2019年,Abracon发布了第一代AK2和AX3系列,作为ClearClock的一部分™ 的家族超低抖动石英晶体振荡器。这些第三泛音解决方案是为了跟上对小封装尺寸的100至200MHz时钟解决方案的需求;特别是PCI Express,光学收发器、数据存储和网络设计。Abracon ClearClock™ 提供了解决方案在该频率范围内的LVPECL、LVDS和HCSL输出中。
With the development of new oscillator IC technology, Abracon released the next generation of ClearClock™ oscillators: the AK2A and AK3A series. Matching the smaller footprints of the AK2 (2.5 x 2.0 mm) and AX3 (3.2 x 2.5 mm) respectively, the AK2A and AK3A series offer improved rms phase jitter performance without sacrificing their compact form factor. For example, at 156.25 MHz carrier frequency, the AK3A offers a typical RMS jitter of 72 fs for its HCSL output, improved from the AX3’s typical 113 fs RMS jitter performance over the 12kHz to 20MHz BW from the carrier.
随着新型晶体振荡器IC技术的发展,Abracon发布了下一代ClearClock™ 振荡器:AK2A和AK3A系列。匹配AK2的较小占地面积(2.5x2.0毫米)和AX3(3.2x2.5毫米),AK2A和AK3A系列提供了改进的均方根相位抖动性能,而不牺牲其紧凑的外形因素。例如,在156.25MHz载波频率,AK3A的HCSL输出提供了典型的72 fs的RMS抖动,比AX3的有所改进载波在12kHz到20MHz带宽上的典型113 fs RMS抖动性能.
Taking a closer look at this example, the AK3A has a 3.2 x 2.5 mm footprint and delivers 72 fs typical RMS jitter over an offset bandwidth of 12 kHz – 20 MHz (referenced from the carrier frequency), with a maximum specification limit of 100 fs. RMS phase jitter is a time domain parameter that is derived from the phase noise (frequency domain) measurement. Figures 1 and 2 show the phase noise plots of the corresponding AK3A and AX3 part numbers (AK3AHAQ1-156.25MHZ and AX3HAQ1-156.25MHZ). Both parts are operated at 3.3V with a 156.25 MHz differential HCSL output. Note that at frequency offsets starting at 100kHz, the AK3A has a lower phase noise floor than the AX3, reaching -161 dBc/Hz at a 20MHz offset.
仔细看一下这个例子,AK3A的占地面积为3.2x2.5毫米,通常可提供72 fs偏移带宽为12kHz–20MHz(参考载波频率)的RMS抖动最大规格限制为100 fs。RMS相位抖动是一个时域参数,从相位噪声(频域)测量。图1和图2显示了相应的AK3A和AX3零件号(AK3AHAQ1-156.25MHZ和AX3HAQ1-156.25MHZ)部件在3.3V下操作,具有156.25MHz差分HCSL输出。请注意,在频率偏移处从100kHz开始,AK3A的本底相位噪声低于AX3,在20MHz偏移。
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- [公司资讯]日本瑞萨电子株式会社公司简介2023年08月29日 18:34
日本瑞萨电子株式会社公司简介,瑞萨电子株式会社,提供专业可信的创新嵌入式设计和完整的半导体解决方案,旨在通过使用其有源晶振产品的数十亿联网智能设备改善人们的工作和生活方式。作为全球领先的微控制器供应商、模拟功率器件和SoC产品的领导者,瑞萨电子为汽车、工业、基础设施及物联网等各种应用提供综合解决方案,期待与您携手共创无限未来。
瑞萨支持可持续发展目标,并正在针对联合国设定的17个目标中的13个目标采取行动。我们认为帮助实现这些目标是我们的责任,并正在以任何可能的方式做出贡献。
瑞萨是一家全球半导体公司,提供值得信赖的嵌入式设计创新和完整的半导体解决方案,让数十亿台互联智能设备改善人们的工作和生活方式。
- 微控制器、模拟、电源和贴片有源晶振产品全球领先专注于汽车、工业、家用电子、办公自动化和信息通信技术的广泛应用
- 2018年净销售额7574亿日元
- 在全球拥有20,000多名员工*1
- 总部位于日本东京
全球销售网络在20多个国家运营
通过全球网络提供全面的R&D功能和支持
解决方案产品:面向真正互联世界的终端智能
为了建设一个更安全、更健康、更环保、更智能的世界,我们的目标是通过在汽车、工业、物联网和基础设施市场提供产品解决方案,让每一个终端都变得智能。
让我们的生活更轻松
在瑞萨,我们不断努力通过微控制器、模拟和功率器件的全面组合来推动创新。我们的使命是通过为我们的四个重点增长领域提供智能,建设一个更安全、更健康、更环保、更智能的世界:汽车、工业、基础设施和物联网,这些领域对我们的日常生活都至关重要,这意味着我们的产品和解决方案无处不在。
瑞萨文化
我们在2020年发展了瑞萨文化,这是一种思维模式或行为准则,应该在瑞萨集团和我们所有的员工中共享。该准则作为我们所有活动、行为和决策的参考点,由五个要素组成:“透明、敏捷、全球化、创新、创业。”这些要素为成为一家灵活应对变化、解决问题并持续创造价值的公司奠定了基础。每位瑞萨集团员工都可以通过体现这种文化并将其融入所有活动的各种决策过程中来掌握主动权。
基于我们的瑞萨文化准则,我们将继续改善我们倾听多元化利益相关者的声音并回应他们的信任和期望的方式。这将使我们能够作为一家负责任的全球公司创造长期可持续的价值。透明的
领导团队的战略和政策,公司的现状,以及每个业务组织的问题和想法都应该在员工中很好地了解。这也与下面描述的“敏捷”和“企业家”元素紧密相连,我们相信这是每个个人和组织成功的基础。
敏捷
为了及时应对变化,有必要尽快确定可能的结果和影响,快速做出决策,并迅速采取或纠正措施。我们必须认清形势,快速做出决策和行动。当公司内外都在跟进一项任务时,员工应该明白他们并不“敏捷”。
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- [TXC资讯]ECS-2520MVQ-250-BS-TR石英振荡器专应用于低功耗汽车产品2023年03月30日 15:54
ECS’ ECS-2520MVQ is an AEC-Q200 SMD MultiVoltTM crystal oscillator series that is available in a 2.5 mm x 2.0 mm x 0.8 mm 4-pad ceramic package. This component offers a frequency range of 1 MHz ~ 160 MHz and a standard stability of ±50ppm with additional stability options of ±20ppm, ±25ppm and ±100ppm. The ‘CN’ option offers a ±25ppm stability over the standard industrial temperature range of -40ºC ~ +85ºC. This oscillator family is AEC-Q200 qualified, IATF 16949 certified and offers an extended temperature range. MultiVoltTM crystal oscillators are compatible with a static 1.8 V, 2.0 V, 3.0 V and 3.3 V power supply and across a 1.6 V ~ 3.3 V supply.
ECS-2520MVQ-250-BS-TR石英振荡器专应用于低功耗汽车产品,ECS的ECS- 2520mvq是AEC-Q200 SMD MultiVoltTM石英晶体振荡器系列,采用2.5 mm x 2.0 mm x 0.8 mm 4垫陶瓷封装。该组件提供1 MHz ~ 160 MHz的频率范围和±50ppm的标准稳定性,以及±20ppm,±25ppm和±100ppm的附加稳定性选项。“CN”选项在-40ºC ~ +85ºC的标准工业温度范围内提供±25ppm的稳定性。该振荡器系列是AEC-Q200合格,IATF 16949认证,并提供了扩展的温度范围。MultiVoltTM晶体振荡器兼容静态1.8 V, 2.0 V, 3.0 V和3.3 V电源,并跨1.6 V ~ 3.3 V电源。
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- [TXC资讯]ECS-TXO-5032-200-TR具有优越稳定性的ECS温补晶振是无线应用理想选择2022年10月20日 14:42
ECS-TXO-5032-200-TR具有优越稳定性的ECS温补晶振是无线应用理想选择,An oscillator is an electronic circuit which generates a repetitive signal. This signal can be in many forms depending on the application. Some applications require a basic clock to maintain operational intervals for processes. Other applications require a clock with very clean waveform and tight stability to produce high quality communications and data transfers.
In analog applications such as RF radio transceivers that use a superheterodyne to receive and transmit signal chains, will typically find sinusoidal output waveforms. A sine wave is a continuous wave that represents a smooth periodic oscillation. In RF communication, the oscillators sine wave output provides an accurate, low noise frequency reference to the transceiver.
In digital electronics we see square wave outputs. Square waves are a waveform that alternate from minimum to maximum amplitude at a steady frequency. An ideal square wave would have the minimum and maximum periods at equal duration, and this would have a 50/50% duty cycle. In practice, there will be some variation in duty cycle, so 45/55% or 60/40% may be more typical. A square wave output signal has many uses but is extensively used to time the execution of instructions in a circuit or microprocessor.
晶体振荡器是一种产生重复信号的电子电路。该信号可以有多种形式,具体取决于应用。一些应用程序需要一个基本时钟来维持进程的操作间隔。其他应用需要具有非常干净的波形和高度稳定性的时钟来产生高质量的通信和数据传输。
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- [TXC资讯]华为汽车问界M5后特斯拉汽车续航改装超1000公里CMOS爱普生有源晶振X1G004591A067002022年09月26日 15:18
华为汽车问界M5后特斯拉汽车续航改装超1000公里CMOS爱普生有源晶振X1G004591A06700
华为问界M5是华为和赛力斯的最新力作,AITO问界M5搭载华为DriveONE纯电驱增程平台,增程器采用的是1.5T发动机,最大功率92kW(125Ps),增程器发电机的额定功率为60kW;四驱性能版车型综合峰值功率位315kW,四驱旗舰版综合峰值功率位365kW.新车搭载的电池容量为40kWh,在WLTC工况循环下的油耗为0.8L/100km,综合续航里程将超过1000km.不过这种改装电池在安全和成本方面,未必能够达到量产要求,但在技术可行性方面,已经验证了电动车单块电池的续航极限能力如何.
这一种全新的电池OurNext Energy将其称之为Gemini,创始人兼首席执行官MujeebIjaz表示:我们希望通过消除目前阻碍大多数消费者的里程焦虑来加速电动汽车的普及.据介绍改装的特斯拉ModelS搭载的电池组容量为203.7千瓦时,能量密度为416瓦时/升.测试在12月的密歇根州进行,在道路上行驶了近14个小时,平均时速为55英里/小时(约合88公里/小时),里程表显示752.2英里(约合1210公里).
CMOS爱普生有源晶振X1G004591A06700,华为汽车问界M5特斯拉汽车晶振
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- [TXC资讯]X1E000021106216爱普生晶振和石英晶振水晶材料是一样2022年08月27日 11:23
X1E000021106216爱普生晶振和石英晶振水晶材料是一样
石英晶振的水晶材料基本特性
石英晶体在压力作用下产生形变,同时产生电极化.其极化强度与压力成正比,这种现象就称"正压电效应".反之,在电场作用下,晶体产生形变,其形变大小与电场强度成正比,这种现象称"逆压电效应".
在二十多类具有压电效应的晶体中,石英晶体是无线通讯设备中最为满意的材料之一.它的机械强度高,物理化学性能稳定,内损耗低等,用它制成的器件被广泛用在频率控制和频率选择电路中.石英片的取向不同,其压电特性、弹性特性和强度特性就不同,用它来制造的谐振器的性能也不一样,现已发现了几十种有用的切割方式.X1E000021106216爱普生晶振,石英晶振
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- [TXC资讯]X1E000021013416爱普生无源晶振与EPSON有源晶振简单介绍2022年08月25日 11:00
X1E000021013416爱普生无源晶振与EPSON有源晶振简单介绍
1晶振的应用晶振不仅可用为MCU的时钟,也在其他领域用途广泛,例如:晶体振荡器:它用于产生频率非常高的正弦输出信号.该振荡器可以用作不同类型的传感器,例如温度传感器.在Colpitts电路中使用一些器件,可以实现更高的温度稳定性和高频率.
晶体振荡器:该电路在过去的几十年里一直被使用.它们广泛应用于再生无线电接收机中.在该输入中,来自天线的射频信号通过附加绕组磁耦合到振荡电路,并减少反馈以控制反馈回路中的增益.最后,它产生了一个窄带射频滤波器和放大器.在晶体振荡器中,LC谐振电路被反馈回路取代.
晶体振荡器:在电路中,晶振串联于电路中,晶振的作用决定振荡的频率.在输出和输入之间由ƒs提供低阻抗路径.在共振期间有180度的相移,以使反馈为正.输出正弦波的振幅限制在漏极端子的最大电压范围内.
X1E000021013416爱普生无源晶振,EPSON有源晶振
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