DDS Audio Sweep Signal Generator

DDS Audio Sweep Signal Generator Frequency Rsnge: 20Hz-20KHz 0.1Hz-200KHz Resolution:1Hz(SP1212B) 0.1Hz(SP1651) Output amplitude accuracy :<1% THD:≤0.2% (2OHz-20kHz 1Vrms ) Output power: 20W (Frequency ≤20KHz 12.8Vrms) 40W(Frequency ≤20KHz 18Vrms) 60W(Frequency ≤20KHz 22Vrms) 100W(Frequency ≤20KHz 28.5Vrms) Stop/Start frequency: MAX 1000:1 (SP1212B) MAX 2000000:1 (SP1651) Sweep time: 1s-50s (SP1212B) 0.1s-100s(SP1651) Sweep mode :single, continuie, to ang fro Scan frequency:start frequency , stop frequency can be set optionally Frequency stability :≤1x0.000001/day Size : 285x360x90mm Weight:4.5kg @Feature:Digital synthesized signal generator with DDS , controlled by advanced AVR MCU , some advantages such as ,high resolution ,high precision andhigh reliability @Dispalyed big character by LCD, controlled by keys , that is to say , you can input any value you want to input by keys or knob @Output delayed for a while (about 10 second) after the instrument be opened , and designed to prvent from short , excess amplitude @Track and display the output frequency autom atically, to let the user to know the status of output frequency more esay @Produced by SMT, LSI, new type metai box @High Reliability :MTBF > 10000h