A.1mmB.2mmC.3mmD.5mm
A.0.1≤f≤1MHz B.1≤f≤16MHz C.1≤f<≤100MHz D.14≤f≤250MHz
A.5V(r.m.s) B.3V(r.m.s) C.2V(r.m.s) D.1V(r.m.s)