晶体振荡器 |
|
型号 Model |
CXO / VCXO |
频率范围 Frequency Range |
1.000~125.000MHz |
电源电压 Supply Voltage |
3.3V dc±5% / 5.0V dc±5% |
外形尺寸 Dimensions |
DIP-14 / DIP-8 |
起始时间 Ts |
≤10ms |
上升/下降时间 Tr/Tf |
10ns(below 25MHz) |
6ns(25~70MHz) | |
4ns(over 70MHz) | |
工作温度 Operating Temperature |
-10~+60℃ / -20~+70℃ |
贮存温度 Storage Temperature |
-40~+85℃ |
频率稳定度 Frequency Stability |
±25ppm/ ±50ppm/ ±100ppm |
占空比 Symmetey |
40%~60% 或 45%~55% |
Output Level |
TTL / HCMOS |
输出负载 Output Load |
15pF ~ 50pF |
输出电平 “0” level |
0.5V |
???????? “1” level |
≥4.5V(5.0V) / ≥2.4V(3.3V) |
圆柱型石英晶振 项 目 符 号 参 数 指 标 条 件 ITEM SYMBOL SPECIFICATION CONTENTS CONDITIONS 频率范围 FREQUENCY RANGE F 3.579~30.000MHZ 基频FUNDAMENTAL 27.000~60.000MHZ 3次泛音 3rd OVERTONE 频率误差 FREQUENCY TOLERANCE △F/F ±10~50ppm Ta=25℃ 温度频差 FREQUENCY TEMP CHARACTER △Ft/F ±20~100ppm -10~60℃ -20~70℃ 谐振电阻 EQUIVALENT SERIES RESISTANCE R1 ATTACHED LIST 静电容 PARALLEL Co 5.0pF MAX CAPACITANCE 负载电容 LOAD CAPACITANCE CL 10.0Pf~SERIES RESONANCE 激励电平 DRIVE LEVEL DL 10.0.uw 老化率AGING 5ppm Ta=25℃ PERYEAR
HC-49S HC-49S-SMD 谐振器 项目 参数 频率范围 3.2M ~ 60M Frequency range 振动模式 基频 Fundamental / 3次泛音 3rd overtone Mode of vibration 切型 AT / BT Cutting type 谐振电阻 30~150 Ω Resonance resistance 频率误差(25℃) Frequency tolerance at 25℃ ±10PPM~±50PPM 静电容 7PF Max Shunt capacitance 负载电容 12~40PF or Seies Load capacitance 工作温度 -10℃~+60℃ / -20℃~+70℃ Operating Temperature 储藏温度 -40℃~+85℃ 激励电平 Drive level 0.1mW