When you need high performance at baseband frequencies, the 3585B delivers. ? 20 Hz to 40.1 MHz frequency range ? Sharp 3 Hz resolution bandwidth ? 80 to 100 dB of spurious-free dynamic range ? Ideal for signal analysis at the critical frequencies comprising voice, video, or digital information ? Maintains integrity of data signals by delivering more measurement performance for high speed, high-density information processing systems ? High accuracy, resolution, and dynamic range ? Fully synthesized tuning (including sweeps) and typical amplitude accuracy to ±0.25 dB ensure complete measurement confidence