FAQ: At what frequency is the TTL port sampled? Neuralynx Support January 16, 2020 20:34 Updated Follow In the Digital Lynx SX, the TTL Port sample rate is the same frequency as AD channel sample rate. Related articles FAQ: What is the purpose of multiple ground connections on EIB’s? TechTip: FreeLynx Recording Modes TTL Input TechTip: Ground Screw Preparation – Critical! FAQ: How can I utilize all A/D channels of a HS-36 on a Cheetah32 ERP-27? Comments 0 comments Please sign in to leave a comment.