User:Peng Cao/Notebook/PHYC307L/oscilloscope: Difference between revisions
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V/Vmax=0.1=e^(-t/r) | V/Vmax=0.1=e^(-t/r) | ||
ln(0.1)=-t/r | ln(0.1)=-t/r | ||
r=-t/ln(0.1)=tln(10)=r | |||
v/v0=0.37 | v/v0=0.37 | ||
Revision as of 14:57, 1 September 2010
BK PRECISION 4017A Tektronix TDS 1002
111(.8)HZ period 8.9(x)0ms
guess 42-(-43) 85V
40.8-(-41.6) V
84.8V
1.1hz unreadable
<100 unreadable
1.06(x)kHZ 940.(0)us 84.8V 4.16 -43.2
>10000HZ 11.(x)0kHZ 91.(xx)us 84.8 85.6 42.4 43.2 -42.4 -43.2
10.0(x)MHz 100ns 89.6V 44.0 -44.8 -45.6
ac coup
8.60
4.60 -4
5hz
ft 86.58ms
40 or 80 mV 4.68V
3*25+12.5
V(t)=Vmax*e^(-t/r)
V(t)=Vmax/e
V/Vmax=1/e @ t=r
1/e=0.37
V/Vmax=0.1=e^(-t/r) ln(0.1)=-t/r r=-t/ln(0.1)=tln(10)=r v/v0=0.37
