Additional Features: 20 MHz sine and square waveforms Ramp, triangle, noise, and DC waveforms Pulse generation with variable edge 14-bit, 50 MSa/s, 64 Kpoint arbitrary waveforms AM, FM, PM, FSK, and PWM modulation types Linear & logarithmic sweeps and burst operation modes Graph mode for visual verification of signal settings IntuiLink software plus USB, GPIB and LAN interfaces included Option 001 provides multiple-unit link for synchronous channels The Agilent 33220A function generator offers 11 standard waveforms plus pulse and arbitrary waveforms it is the most frequency stable and lowest distortion function generators in its class.