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技术参数SPECIFICATIONS
表一
频率范围FREQUENCY RANGE | 3-30MHz | 24-60MHz |
振动模式MODE OF OSCILLATION | 基频fund | 3次泛音3rd |
激励电平DRIVE LEVEL | 0.01mW ~1 mW | |
负载电容LOAD CAPACITANGE | 12PF ~∞ | |
调整频差FREQUENCY TOLERANGE AT 25±2℃ | ±10ppm~±50ppm | |
工作温度范围OPERATION TEMPERATURE TANGE | -20~+70℃ | |
温度频差FREQUENCY STABILITY | ±30ppm(±50ppm max) | |
谐振电阻EQUIVALENT SERIES RESISTANGE | 见表二 | |
并电容SHUNT CAPACITANGE | ≤7 PF | |
老化率AGING | ＜5ppm/年(year) | |
壳型HOLDER TYPE | HC-49S/SMD、HC-49U | |
表二
频率范围FREQUENCY | 振动模式MODE | 谐振电阻Rr（Ω） |
3 ~ 4 MHz | 基频fund | ≤120 |
＞4 ~ 5MHz | 基频fund | ≤100 |
＞5 ~ 6MHz | 基频fund | ≤80 |
＞6 ~ 7MHz | 基频fund | ≤60 |
＞7 ~ 10MHz | 基频fund | ≤50 |
＞10 ~ 14MHz | 基频fund | ≤40 |
＞14 ~ 30MHz | 基频fund | ≤30 |
24 ~ 60MHz | 三次泛音3rd | ≤100 |
