Analog Devices Linear Technology DC2328A Demo Manual page 5

70
MEAS DIST 10m
60
SPEC DIST 10m
50
40
30
20
10
0
–10
30 130
Figure 11. Radiated Emissions Scan of the LTM4651. Producing –24V
DC2328A Hardware. f = 1.2MHz. Measured in a 10m Chamber. Peak Detect Method
SW
70
MEAS DIST 10m
60
SPEC DIST 10m
50
40
30
20
10
0
–10
30 130
Figure 12. Radiated Emissions Scan of the LTM4651 Producing –24V
DC2328 Hardware. f = 1.2MHz. Measured in a 10m Chamber. Peak Detect Method
SW
70
MEAS DIST 10m
60
SPEC DIST 10m
50
40
30
20
10
0
–10
30 130
Figure 13. Radiated Emissions Scan of the LTM4651. Producing –24V at 2A, from 34V.
DC2328A Hardware. f = 1.2MHz. Measured in a 10m Chamber. Peak Detect Method
SW
DEMO MANUAL DC2328A
+
730
230 330 430 530 630
FREQUENCY (MHz)
+
230 330 430 530 630 730
FREQUENCY (MHz)
+
230 330 630 730
430 530
FREQUENCY (MHz)
[1] HORIZONTAL
[2] VERTICAL
QPK LIMIT
FORMAL
830 930 1000
DC2328 F11
at 1A, from 12V
OUT IN
[1] HORIZONTAL
[2] VERTICAL
QPK LIMIT
FORMAL
830 930 1000
DC2328 F12
at 2A, from 25V
OUT IN
[1] HORIZONTAL
[2] VERTICAL
QPK LIMIT
FORMAL
830 930 1000
DC2389 F13
.
.
dc2328af
5