在被測(cè)定物上施加正弦波信號(hào),求出其頻率響應(yīng)特性的裝置,稱作FRA(Frequency Response Analyzer,頻率特性分析儀)。因?yàn)闇y(cè)量的動(dòng)態(tài)量程非常寬闊,所以不但能夠進(jìn)行高精確度的測(cè)量,而且具有可以測(cè)量超低頻率等特長(zhǎng)。 | 5010A | FRA5020A | Oscillator | Frequency resolution | 4 digits | 4 digits | Output waveform | | | Output voltage | 10mV to 5Vrms | 10mV to 5Vrms | Isolation voltage | - | - | Analyzer | No. of input channel | 2 | 2 | Input voltage range selection | Auto ranging | Auto ranging | Isolation voltage | ± 14.2V (floating) | ± 14.2V (floating) | Analysis mode | CH1/OSC, CH1/CH2 | CH1/OSC, CH1/CH2 | DC bias elimination | Automatically eliminated over the entire frequency range | Integration cycles | 1 to 100 | 1 to 100 | Judgement function | UNDER, GO and OVER | - | Display device | Indicator tube | CRT (green) | Display mode | log R • θ, numerical | Nyquist, Bode and Nichols diagram, numerical | Miscellaneous | External display device | - | video printer, plotter (HPGL) | Memory | 10 spots | 10 panel settings and 2 measurement data | Interface | GPIB | GPIB | Power requirements | AC100, 120, 220 or 240V switchable | AC100, 120, 220 or 240V switchable | Dimensions (mm) | 432(W) X 132.5(H) X 400(D) | Weight | Approx. 9.5kg | Approx. 12.5kg | | |