固纬GDS-3354数字存储示波器 250带宽4通道5采样率

固纬GDS-3354数字存储示波器 250带宽4通道5采样率 GDS-3354 Vertical Input Channels 2Ch EXT 4Ch EXT 2Ch EXT 4Ch EXT 2Ch EXT 4Ch EXT Bandwidth DC~150MHz(-3dB) DC~250MHz(-3dB) DC~350MHz(-3dB) Rise Time 2.3ns 1.4ns 1ns Vertical Resolution 8 bits Vertical Resolution@ 1MΩ 2mV~5V/div Vertical Resolution@ 50/75Ω 2mV~1V/div Input Coupling AC, DC, GND Input Impedance 1MΩ// 16pF DC Gain Accuracy ±(3% X |reading| 0.1div 1mV) Polarity Normal and inverted Maximum Input Impedance @1MΩ 300V (DC AC peak), CAT I Maximum Input Impedance @50/75Ω 5 Vrms ,CAT I OffsetPositionRange 2mV/div ~ 100mV/div: ±0.5V 200mV/div ~ 5V/div: ±25V Bandwidth Limit 20MHz (-3dB) 100MHz (-3dB) 200MHz (-3dB) Waveform Signal Processing Addition, Subtraction, multiplication, division, FFT, FFTrms