Figure 8.
The closed-loop interface circuit of the piezoelectric cantilever resonator for measuring the tip displacement. (a) The schematic of interface circuit; (b) the actual PCB circuit.
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.