NO. | 项 目 Item | 规格Specification |
4 – 1 | 中心频率f0 (6dB带宽中心) Center Frequency f0 (Center of 6dB Bandwidth) |
455±1.0KHz |
4 – 2 | 带宽(3dB) Bandwidth(3dB) | ±3.0 KHZmin |
带宽(6dB) Bandwidth(6dB) | ±4.5 KHz min | |
带宽(40dB) Bandwidth(40dB) | ±10.0 KHz min | |
4 – 3 | 阻带衰减(fo±100KHz) Stop Band Attenuation | 27 dB min |
4 – 4 | 波动(f0± 2 khz) Ripple (f0±2 khz) | 2.0 dB max |
4 – 5 | 插入衰耗(最小损耗点) Insertion Loss (At minimum loss point) |
3.0 dB max |
4 – 6 | 温度稳定性 (-20℃~ +80℃ ) Temperature Stability (-20℃~ +80℃ ) |
±0.5% max (-25℃ ~ +80℃) |
4-7 | 虚假响应(0.1~1MHz)Spurious Response | 20dB min |
4-8 | 群延时偏差(fo± kHz)GDT Ripple deviation | 50μsec max |
4-9 | 工作温度 Operating Temperature | -20℃ ~ +80℃ |
4-10 | 储存温度 Storage Temperature | -40℃ ~ +85℃ |
4-11 | 绝缘阻抗 Insulation Resistance(DC 25V 1 minute) | 100MΩ min |
4 – 12 | 输入/输出阻抗 Input/Output Impedance | 1.5 KΩ |