Difference between revisions of "POT4a measurements"
From DIDEAS Wiki
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==POT4a : X10 (2-5-06) == | ==POT4a : X10 (2-5-06) == | ||
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===Derivative test (3.8Vpp input triangle) === | ===Derivative test (3.8Vpp input triangle) === | ||
| + | dVi/dT = 3.8V * 2 * f | ||
| + | |||
Freq : Output voltage | Freq : Output voltage | ||
8 Hz : 50mVpp | 8 Hz : 50mVpp | ||
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160 Hz : 1.2Vpp | 160 Hz : 1.2Vpp | ||
438 Hz : 2.4Vpp | 438 Hz : 2.4Vpp | ||
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| + | fi = [8 13 40 81 160 438] | ||
| + | vo = [.05 .1 .3 .6 1.2 2.4] | ||
| + | dvidt = 3.8 * 2 * fi | ||
| + | 1000 * vo./dvidt | ||
| + | = 0.8224 1.0121 0.9868 0.9747 0.9868 0.7210 | ||
===System Freq Response=== | ===System Freq Response=== | ||
Revision as of 17:02, 5 February 2006
Contents
POT4a : X10 (2-5-06)
DC test
i = [-3870 -1114 -617 561 1298 2810] o = [-8270 -2380 -1323 1200 2779 5980] polyfit(i,o,1) 2.1345 -4.1022
Derivative test (3.8Vpp input triangle)
dVi/dT = 3.8V * 2 * f
Freq : Output voltage 8 Hz : 50mVpp 13 Hz : 100mVpp 40 Hz : 300mVpp 81 Hz : 600mVpp 160 Hz : 1.2Vpp 438 Hz : 2.4Vpp
fi = [8 13 40 81 160 438] vo = [.05 .1 .3 .6 1.2 2.4] dvidt = 3.8 * 2 * fi 1000 * vo./dvidt = 0.8224 1.0121 0.9868 0.9747 0.9868 0.7210
System Freq Response
- Input 8Vpp sine wave
1/sqrt(2) : 1.23KHz (LP2), 1.8KHz (no LP2) 1/2 @ 1.66K 1/3 @ 1.987 1/4 @ 2.42K 1/8 @ 3.14K
