SR760 FFT Spectrum Analyzer 傅立叶频谱分析单通道（平衡输入和不平衡输入）带宽 476μHz-100KHz FFT 频谱分析，速度和动态范围,加上弹性的和多种的分析模式, 使它成为包括声学, 振动, 噪声测量, 和一般电子应用等多种应用的理想选择。
带宽 DC 100 kHz
动态范围 90 dB
A/D转换 16-bit
谐波, 波段和边频分析
带宽476μHz-100 kHz
内部和外部触发
线形和指数平均
可硬拷贝输出到打印机和绘图仪
3.5寸MS-DOS兼容磁盘驱动器
GPIB 和 RS-232 接口
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频率 |
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| 测量范围 | 476 µHz to 100 kHz |
| Spans | 191 mHz to 100 kHz in a binary sequence |
| 中心频率 | Anywhere within the 0 to 100 kHz measurement range |
| 精度 | 25 ppm from 20 °C to 40 °C |
| 分辨力 | Span/400 |
| 窗口功能 | Blackman-Harris, Hanning, Flat-Top and Uniform |
| Real-time bandwidth | 100 kHz |
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信号输入 |
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| 通道数量 | 1 |
| 输入 | Single-ended or differential |
| 输入阻抗 | 1 MΩ, 15 pF |
| 耦合 | AC or DC |
| CMRR (at 1 kHz) | 90 dB (input range <-6 dBV) 80 dB (input range <14 dBV) 50 dB (input range ≥14 dBV) |
| 噪声 | |
| 典型值 | 5 nVrms/√Hz at 1 kHz (-166 dBVrms/√Hz) |
| 最大值 | 10 nVrms/√Hz (-160 dBVrms/√Hz) |
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幅度 |
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| Full-scale input range | -60 dBV (1.0 mVp) to +34 dBV (50 Vp) in 2 dB steps |
| 动态范围 | 90 dB (typ.) |
| Harmonic distortion | No greater than -80 dB from DC to 100 kHz (input range 0 dBV) |
| Spurious | No greater than -85 dB below full scale below 200 Hz. No greater than -90 dB below full scale to 100 kHz (input range -50 dBV). |
| 输入取样 | 16-bit A/D at 256 kHz |
| 精度 | ±0.3 dB ± 0.02 % of full scale (excluding windowing effects) |
| 平均值 | RMS, Vector and Peak Hold. Linear and exponential averaging up to 64k scans. |
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触发输入 |
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| 模式 | Continuous, internal, external, TTL |
| Internal level | Adjustable to ±100 % of input scale. Positive or negative slope. |
| Min. trigger amplitude | 10 % of input range |
| External level | ±5 V in 40 mV steps. Positive or negative slope. 10 kΩ Impedance |
| Min. trigger amplitude | 100 mV |
| External TTL | Requires TTL level, (low <0.7 V, high >2 V) |
| Post-trigger | Measurement record is delayed by 1 to 65,000 samples (1/512 to 127 time records) after the trigger. Delay resolution is 1 sample (1/512 of a record). |
| Pre-trigger | Measurement record starts up to 51.953 ms prior to the trigger. Delay resolution is 3.9062 ms. |
| Phase indeterminacy | <2° |
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显示功能 |
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| 显示 | Real, imaginary, magnitude or phase |
| 测量 | Spectrum, power spectral density, time record and 1/3 octave |
| 分析 | Band, sideband, total harmonic distortion and trace math |
| Graphic expand | Display expand up to ×50 about any point |
| Harmonic marker | Displays up to 400 harmonics |
| 数据表 | Lists Y values of up to 200 points |
| 极限表 | Detects data exceeding up to 100 user-defined upper and lower limit trace segments. |
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