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參數資料
| 型號： | AD8148ACPZ-R7 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Triple Differential Driver for Wideband Video |
| 中文描述： | 三差分驅動器的寬帶視頻 |
| 文件頁數： | 21/24頁 |
| 文件大小： | 438K |
| 代理商： | AD8148ACPZ-R7 |
AD8146/AD8147/AD8148
Figure 39 illustrates the frequency response of the pre-emphasis
network.
Figure 40 illustrates the frequency response of the pre-emphasis
circuit cascaded with the cable compared with that of the cable
alone. It can be seen that the overall response is flat to within
±0.4 dB. The ±0.4 dB ripple in the response is due to the fact
that the pre-emphasis network is linear, comprised of two real-
axis pole/zero pairs, and the cable response is nonlinear.
Rev. 0 | Page 21 of 24
EXPOSED PADDLE (EP)
The 24-lead LFCSP has an exposed paddle on the underside of
its body. To achieve the specified thermal resistance, it must
have a good thermal connection to one of the PCB planes. The
exposed paddle must therefore be soldered to a pad on the top
of the board that is connected to an inner plane with several
thermal vias. The AD8147/AD8148 use the paddle as a ground
reference; therefore, for these parts, the PCB plane used must be
the ground plane.
2k
2k
500
500
49.9
49.9
442
82.5
487
39.2
442
487
75
100 FEET
100
UTP
AD8148
+
–
VIDEO
SOURCE
18pF
30pF
18pF
30pF
0
Figure 38. Pre-Emphasis Network Using the AD8148 for 30 Meters of UTP Cable
12
6
FREQUENCY (MHz)
G
11
10
9
8
7
100
10
1
0.1
V
S
= ±5V
0
Figure 39. AD8148 Pre-Emphasis Network Frequency Response
9
–9
0.1
FREQUENCY (MHz)
G
6
3
0
–3
–6
1
10
100
PRE-EMPHASIS
NETWORK
WITH CABLE
CABLE ALONE
V
S
= ±5V
0
Figure 40. AD8148 Pre-Emphasis Network Cascaded With
30 Meters of UTP Cable vs. UTP Cable Alone
相關PDF資料 |
PDF描述 |
|---|---|
| AD8148ACPZ-RL | Triple Differential Driver for Wideband Video |
| AD8150-EVAL | 33 x 17, 1.5 Gbps Digital Crosspoint Switch |
| AD8150 | 33 x 17, 1.5 Gbps Digital Crosspoint Switch |
| AD8150AST | 33 x 17, 1.5 Gbps Digital Crosspoint Switch |
| AD8151-EVAL | GPA/SK 300X280X1,5... |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8148ACPZ-RL | 功能描述:IC DRIVER TRIPLE DIFF 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| AD815 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SILICON DUAL DIFFERNTIAL AMPLIFIER TRANSISTORS |
| AD815_05 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Output Current Differential Driver |
| AD8150 | 制造商:AD 制造商全稱:Analog Devices 功能描述:33 x 17, 1.5 Gbps Digital Crosspoint Switch |
| AD8150AST | 制造商:Rochester Electronics LLC 功能描述:LQFP 1.5GBPS 33X17 DIGITAL CROSSPOINT SW - Tape and Reel 制造商:Analog Devices 功能描述:IC SWITCH CROSSPOINT |
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