Check the listing for details. 4 IN 1 ISDS210B 2CH PC USB Portable Digital Oscilloscope + Spectrum Analyzer. Condition: New. Listed at 122.19 USD. Introduction ISDS210B dual-channel digital oscilloscope, with "low-cost, high-performance" as the design goals. well-designed bandwidth of 40M, 100M sampling rate, 2 channels, alternating support X, Y and XY alternating pattern of two-channel virtual oscilloscope, spectrum analyzer. Meanwhile, ISDS210B has DDS and Sweep function. DDS support 5 kinds of waveform output, Sine wave can output up to 20M. The device communicate with the PC via high speed USB2.0. Digital oscilloscop Spectrum analyzers DDS Sweep ISDS210B √ √ √ √ Feature Description Digital oscilloscope Channels 2 Impedance 1MΩ 25pF Coupling AC/DC Vertical resolution 8Bit Gain range -16V ~ 16V（probe X1） -160V ~ 160V（probe X10） Vertical accuracy ±3% Timebase range 1ns-20s Input Protection Diode，50Vpk Autoset Yes(10Hz to 40MHz) Trigger Mode Auto、Normal and Signal Trigger Type No、Rising edge、Falling edge、 Rising edge or Falling edge Trigger level Yes Trigger Source CH1, CH2 Buffer Size 256KB/CH Bandwidth 40MHz Max sample 100MS/s Vertical mode CH1, CH2, ADD, SUB, MUL Display Mode X、Y-T和X-Y measurements Yes Wave save Osc(Private)、Excel and Bmp Spectrum analyzers Channels 2 Bandwidth 40MHz Algorithm FFT(18 windows)、correlation、power spectrum FFT points 8-1048576/CHN FFT measure Harmonic(1-7)、SNR、SINAD、ENOB、THD、SFDR Filter processing FIR filter supports arbitrary range of frequency sampling method , and Rectangle, bartlett, triangular, cosine, hanning, bartlett_hanning, hamming, blackman, blackman_Harris, tukey, Nuttall, FlatTop, Bohman, Parzen, Lanczos, kaiser, gaussand dolph_chebyshev, window method design. IIR filter support "Butterworth", "Chebyshev I", "Chebyshev II", "Elliptic" type of filter design DDS(Only ISDS210B) Wave Sine, Square(Duty circle variable),Triangle,Up Sawtooth,Down Sawtooth Amplitude ≥9Vp-p(no load) Impedance 200Ω±10% Offset ±2.5V Frequency range 1Hz ~ 20MHz(Sine), 1Hz ~ 2MHz(Others) Frequency resolution 1Hz Frequency steadiness ±1×10-3 Frequency precision ±5×10-3 Triangular wave linearity ≥98% (1Hz~10kHz) Sine wave distortion ≤0.8% (1kHz) Square wave rising/falling time ≤100ns Square wave duty circle 1%~99% SWEEP Sweep range Fs到 Fe Sweep time range 0.1 ~10 s Amplitude 0.5Vp-p ~ 10Vp-p Sweep(Only ISDS210B) Sweep Style Linear Sweep、Log Sweep Linear Sweep Range 1Hz-20MHz, Min 1Hz step Log Sweep Range 1Hz-10MHz, 1,10,100....Logarithmic step PC SYSTEM REQUIREMENTS: Windows XP，Win7，Win8，Win10 Pentium or higer processor USB2.0 High speed port 512MB RAM 1GB hard disk space Package: 1 x Oscilloscope 1 pcs 1 x robes(X1/X10) 1 set 1 x USB cable 1 PCS 1 x Signal line 1 x CD(user manual and software) 1 x HT201 attenuator