Voltech AT3600 - Page 380

SPECIFICATION VOLTECH AT3600 USER MANUAL
PAGE 8.1.22. VPN 98 - 024 SPECIFICATION
RESP TEST
The accuracy is given as:
where
A
T
is the total accuracy (dB)
A
R
is the basic relative accuracy (dB)
A
C
is the correction for calibration
A
VI
is the correction for the input voltage level
A
VO
is the correction for the output voltage level
The value of A
R
is given in the table in section 1.1 of this chapter.
The values of the other factors are given below.
where
F
M
is the measurement frequency (Hz)
V
MI
is the measured input voltage (V)
V
MO
is the measured output voltage (V)
RLOS TEST
The accuracy is given as:
where
A
T
is the total accuracy (dB)
A
Z
is the total accuracy for the Z test (%)
Z is V
M
/ I
M
Z
R
is
22
imagreal
ZZ +
where
V
M
is the measured voltage (V)
I
M
is the measured current (A)
Z
real
is the real part of the reference impedance (Ω)
Z
imag
is the imaginary part of the reference impedance (Ω)
A =
T
0.174 x
() x
Z
Z
R
() x Z Z
R
22
x A
Z
A =
C
0.1 + (0.0000001% ) x
F
M
A = A
T
R
CVIV
O
+1.74 A +A +
A
( )