Sainsmart Dds140 !link! «99% EASY»
Minus 1 point for the software, minus 0.5 for the encoder feel.
Buy a pair of BNC-to-alligator clips and a 50Ω feed-through terminator. That combo turns the DDS140 from a toy into a real tool. Would you like a quick comparison against the FeelTech FY6900 or JDS6600? sainsmart dds140