B&K Precision 4040A Function Waveform Generator, Sweep, 1 Channel, 20MHz, 4000A Series

Sweep Function Generator 0.2 Hz to 20 MHz Sine, Square, Triangle, Pulse, & Ramp output Coarse and Fine tuning AM & FM modulation Burst operation External frequency counter to 30 MHz Linear and log sweep Variable duty cycle Variable DC offset 2-Year Warranty