Features: Function Generator: crystal-based stability standard waveforms: sine, square and triangle predefined library waveforms included: sine(x)/x, sweep Oscilloscope: auto set-up function and X10 option pre-trigger function readouts: True RMS, dBV, dBm, p to p, Duty cycle, Frequency persistence options: color graded, variable and infinite Transient Recorder: automatic data storage automatic recording for more than 1 year recording and display of screens recording and display of screens Bode Plotter: automated sync between oscilloscope and generator logarithmic scale option Volt or dB display scale phase plot option Spectrum analyzer: linear or logarithmic time scale operating principle: FFT (Fast Fourier Transform) FFT input channel: CH1 or CH2 zoom function Box Includes: Getting started manual USB PC scope + generator unit USB cable Specifications: General: markers for: amplitude/voltage and frequency/time input coupling: DC, AC and GND supply from USB port (500mA) dimensions: 3.9 x 3.9 x 1.4" Function generator: amplitude range: 200mVpp to 8Vpp @ 1KHz// no load vertical resolution: 8 bits square wave rise/fall time: 0.3s sample rate: 25MHz typical sine wave distortion (THD): < 1% output impedance: 50ohm frequency range: from 0.5Hz to 500KHz (sine 1MHz) Oscilloscope: bandwidth: two channels DC to 12 MHz 3dB input impedance: 1Mohm // 30pF max. input voltage: 30V (AC + DC) time base: 0.1s to 500ms per division input range: 10mV to 3V/division input sensitivity: 0.3mV display resolution record length: 4K samples / channel sampling frequency: 250Hz to 25MHz Transient recorder: timescale: 20ms/div to 2000s/div max record time: 9.4hour/screen max. number of samples: 100/s min. number of samples: 1 sample/20s Bode Plotter: voltage range: 10mV, 30mV, 0.1V, 0.3V, 1V, 3V frequency range: 1KHz , 10KHz, 100KHz, 500KHz Frequency start: 1Hz,10Hz, 100Hz, 1KHz, 10KHz, 100KHz Spectrum analyzer: frequency range: 0 .. 120Hz to 12MHz FFT resolution: 2048 lines Minimum system requirements: IBM compatible PC Windows XP, Vista, 7 * SVGA display card (min.1024 x 768) mouse free USB port 1.1 or 2.0