Performance Curves
Quarter
Brick
0
-10
-20
Output Impedance
( )
48Vin 3.3Vout 25A
1
0.1
Forward Transmission
(dB)
-30
-40
-50
-60
-70
-80
-90
-100
36 Vin
48 Vin
75 Vin
0.01
36 Vin
48 Vin
75 Vin
0.001
0.0001
10
100
1,000
10,000
100,000
-110
10
100
1,000
10,000
100,000
Hz
Hz
Figure 19:
Magnitude of incremental output impedance (Zout =
vout/iout) for minimum, nominal, and maximum input voltage at full
rated power.
0
-10
Reverse Transmission
(dB)
Figure 20:
Magnitude of incremental forward transmission (FT =
vout/vin) for minimum, nominal, and maximum input voltage at full
rated power.
100
Input Impedance
( )
-20
-30
-40
-50
-60
-70
10
100
1,000
10,000
100,000
36 Vin
48 Vin
75 Vin
10
36 Vin
48 Vin
75 Vin
1
0.1
10
100
1,000
Hz
10,000
100,000
Hz
Figure 21:
Magnitude of incremental reverse transmission (RT =
iin/iout) for minimum, nominal, and maximum input voltage at full rated
power.
Figure 22:
Magnitude of incremental input impedance (Zin = vin/iin)
for minimum, nominal, and maximum input
voltage at full rated
power.
Product # PQ60033QGA25
Phone 1-888-567-9596
Doc.# 005-2QG633D Rev. B
6/26/02
Page 8
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