Figure 16.
(a) Echo signal and (b) echo signal comparisons when using only the amplifier and amplifier with post-voltage-boost circuits.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.