Designed for use with InfiniiMax I/II Series probe amps, N2839A Differential Browser Head brings measurement fidelity of solder-in probe head to hand-held browsing. Spring-loaded probe tips ensure secure connection to DUT and can be adjusted to accommodate targets from 0–3 mm apart using thumbwheel. Low-inductance ground spring ensures that probe’s frequency response remains constant regardless of span range setting. N2839A provides extremely low probe loading with 0.21 pF input capacitance.