GW-Instek-SFG-1013-DDS-Function-Generator-GW-Instek-SFG-1013-p-P-The-SFG-GW-Instek-SFG-1013-is-an-economic-function-generator-with-high-accuracy-&-high-stability-output-that-has-been-designed-based-on-the-DDS-Direct-Digital-Synthesized-technology-embedded-in-a-large-scale-FPGA-P-P-The-3 M Hz-frequency-range-&-the-output-waveform-selection-of-Sine-Square-Triangle-&-TTL-available-in-the-GW-Instek-SFG-1013-adequately-provide-the-fundamental-functions-required-to-ensure-high-c