Owon AG1022 Series AG DDS Arbitrary Waveform Generator, 2 Channels, 25MHz, 125MSa/S Sample Rate AG series direct digital synthesis (DDS) arbitrary waveform generator with 48 built-in arbitrary waveforms and a user-defined arbitrary waveform for testing circuits Up to 400MS/s sample rate with 1microhertz frequency resolution Up to 150MHz frequency output USB, RS232, and LAN communication interfaces 4" TFT-LCD display (480 x 320 pixels)