... Good price and lead time, easy front-panel TJB-2D Digital Programmable Frequency Conversion Power SupplyThe TJB-2D series has models ... frequency settings, easy front-panel. Its widely used and provided with a reasonable priceFeatures: 1) Output power from 0 to ( ... low distortion 7) V, A, W, Hz display accurately, digital, simultaneously8) With full protections (over voltage, over load, over temp, over ...