Feature:1. It adopts advanced DDS technology and 2 independent output channels, convenient to use.2. Its outstanding performance makes it a perfect solution for your testing requirement.3. It can output 32 kinds of standard or internally stored fixed waveform.4. Stable waveform with a minimum output of 1mV (50), practical to use.5. The large screen makes your testing much easier for operation and observation.6. It features over voltage, over current, output short circuit, and reverse voltage protection.Specification:Condition: Item Type: Function Signal GeneratorModel: ATF20B+Number of Channels: 2Maximum Output Frequency: 20MHzOutput A Characteristics:Storage Waveform Type: 32 TypesWaveform Length: 1024 PointsSampling Rate: 100MSa/sVertical Resolution: 8bitsSine Wave Harmonic Rejection: 40dBc (<1MHz), 35dBc (1MHz-10MHz)Sinusoidal Distortion: 1% (20Hz-200kHz)Pulse Wave Lifting Time: 35nsPulse Wave Overshoot: 10%Pulse Wave Duty Cycle: 1%-99%Sine Wave Frequency Range: 1Hz-20MHzSquare Wave Frequency Range: 1Hz-5MHzOther Wave Frequency Range: 1Hz-1MHzFrequency Accuracy: (50ppm+40mHz)Frequency Stability: 5ppm/3 HoursAmplitude Range:2mVpp-20Vpp 1Hz-10MHz(High Resistance)2mVpp-15Vpp 10MHz-15MHz (High Resistance)2mVpp-8Vpp 15MHz-20MHz (High Resistance)Amplitude Resolution: 20mVpp (Amplitude >2Vpp), 2mVpp (Amplitude <2Vpp)Amplitude Accuracy: (1%+2mVrms) (High Impedance, RMS, Frequency 1kHz)Amplitude Stability: 0.5%/3 HoursAmplitude Flatness: 5% (Frequency <10Mhz) 10% (10Mhz < Frequency)Output Impedance: 50Offset Range: 10V (High Resistance)Offset Resolution: 20mVdc (High Resistance)Offset Accuracy: (1%+20mVdc)Scan Type: Frequency Scan, Amplitude ScanScan Mode: Linear, LogarithmicOutput B Characteristics:Storage Waveform Type: 32 TypesWaveform Length: 1024 PointsSampling Rate: 12.5MSa/sVertical Resolution: 8bitSine Wave Frequency Range: 1Hz-1MHzOther Waveform Frequency Range: 1Hz-100kHzFrequency Resolution:1HzFrequency Accuracy: 10ppmAmplitude Range: 50mVpp-20Vpp (High Resistance)Amplitude Resolution: 20mVppOutput Impedance: 50Other Features:Modulation Type: FM, PM, ASK, FSK, PSK, B-channel BurstPackage List:1 x Function Signal Generator1 x Power Cord1 x User Manual1 x BNC Clip Test Line1 x BNC Extension Cord1 x VGA Male to Female Plug1 x Instruction CD