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Amplifier Gain
Calculate the value of Av
Voltage gain AV= 20 log Vo/ Vi
= 20 log 3
1x10
-3
=69.54242509dB
In another right triangle,
A = 6 feet and C = 15 degrees.
Determine the value of a, b and B.
sin a = A /C
sin a = 6 / 15 = 0.4
sin-1 .4 = 23.58
a = 23.58 degrees
b = 90 - 23.58 = 66.42 degrees
cos a = B / C
cos 23.58 = B /15
B = cos 23.58 x 15
B = .92 x 15 = 13.75 feet
Display
Angular
Mode
DEG
0
6
0.4
23.57817848
M 32.57817848
M 66.42182152
0
0.916502421
13.74753633
0 [X->M]
6 [÷]
15 [=]
[2ndF] [sin ]
[M+]
90 [–] [RM] [=]
0 [X->M]
23.58 [cos]
[X] 15 [=]
Press
–1
30 31
Display
1.–03
3.477121225
69.54242509
3 [÷] [EXP] 3 [+/– ]
[=] [log] [X]
20 [=]
Press