The 8640B Signal Generator delivers high performance capabilities and required specifications to meet the most demanding generator requirements. While covering the important frequency range of 0.5 to 512MHz, the solid-state 8640B offers a level output range of +19 to -145 dBm (2 V to 0.013 ?V). This output is calibrated, metered, and leveled to within ?0.5 dB across the full frequency range of the instrument.