參數(shù)資料
型號: ISL54100AHDMI-EVALZ
廠商: Intersil
文件頁數(shù): 7/21頁
文件大小: 0K
描述: EVAL BOARD FOR ISL54100AHDMI
標準包裝: 1
系列: *
15
FN6725.0
June 17, 2008
does, however, limit the number of ISL5410xAs that can be
put in series (although statistically, it is unlikely that all the
skews would line up in a worst-case configuration).
Typical Performance
Setup A (Figure 4) was used to capture the TMDS eye
diagrams shown in Figure 5 and Figure 6:
The 162.5Mpixel/s (UXGA 60Hz) DVI output of the Chroma
2326 was terminated into a TPA2 Plug adapter and
measured with a LeCroy differential probe and 6MHz SDA
using the LeCroy’s software clock recovery. As Figure 5
shows, the amplitude of the TMDS signal is slightly low, but
the eye is otherwise acceptable.
Next, a 15m DualLink DVI cable was attached and terminated
into a female TPA2 adapter and the eye captured in Figure 6.
The eye is not meeting the minimum requirements of either
the HDMI or DVI standards and the Dell Monitor is unable to
recover the data and display an image.
Setup B inserts an ISL54100A and an additional 15m cable
between the pattern generator and the monitor:
Given the input signal shown in Figure 6, the ISL54100A’s
TMDS output signal (Figure 8) is extremely clean. The
output is an improvement over the original signal coming
from the pattern generator in both amplitude and jitter.
The cleaner signal generated at the output of the ISL54100A
results in an improved eye at the end of another 15m cable
(Figure 9). The eye is open enough that the Dell 2000FP can
now display a UXGA image with no visible sparkle or other
artifacts.
CHROMA 2326
VIDEO PATTERN
GENERATOR @
UXGA 60Hz
DELL 2000FP
UXGA MONITOR
15m DUAL-LINK
DVI CABLE
FIGURE 4. TEST SETUP A
FIGURE 5
FIGURE 6
FIGURE 5. EYE DIAGRAM AT OUTPUT OF CHROMA
GENERATOR
FIGURE 6. CHROMA EYE DIAGRAM AFTER 15m CABLE
CHROMA 2326
VIDEO PATTERN
GENERATOR
15m DUAL-LINK
DVI CABLE
DELL 2000FP
UXGA MONITOR
ISL54100A
15m DUAL-LINK
DVI CABLE
FIGURE 7. TEST SETUP B
FIGURE 8
FIGURE 5
FIGURE 6
FIGURE 9
FIGURE 8. EYE DIAGRAM AT OUTPUT OF ISL54100
ISL54100A, ISL54101A, ISL54102A
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