Patent US 3629731A

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Patent number US 3629731A
Title Sampling system
Inventors George Frye
Company Tektronix Inc
Filing date 1968-07-12
Grant date 1971-12-21
Cites

Describes the six-diode traveling-wave sampler implemented in the S-4 and S-6 sampling heads. George Frye refers to this circuit as a "velocity gate" due to the fact that it relies only on the sampling pulse having high dv/dt. In contrast, four-diode and two-diode sampling gates rely on the sampling pulse having high d²v/dt² in order to turn the sampling gate on and then off within a tiny duration.

See also George Frye's Explanation of the S-4 sampler in Service Scope, October 1968.