Function Generator, Direct Digital Synthesis, Sine Wave Range 1 Hz to 5 MHz, Square Wave Range 1 Hz to 5 MHz, Other Waveform Range Triangle: 1 Hz - 5 MHz, Sine Wave Distortion DC 20 kHz, -50 dBc, -30 dBc, 20 kHz to 5 MHz, Sq. Wave Rise/Fall Time (nS) Less Than 35, Output Amplitude 10 mVpp to 10 Vpp, 20 mVpp to 20 Vpp, Impedance (Ohms) 50 ohm, Output Attenuation -20 dB +/-2 Percent, -40 dB +/-2 Percent, Sine/Square Wave Accuracy 0.02 Percent (20 ppm), Display 4 Digit LED