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參數(shù)資料
| 型號(hào)： | AD8328 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 5 V Upstream Cable Line Driver |
| 中文描述： | 5伏上行電纜線路驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大小： | 542K |
| 代理商： | AD8328 |
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REV. 0
–10–
AD8328
Table II. Common Matching Resistors
Differential Input Termination
Z
IN
(
)
R2/R3
50
Open
75
Open
100
Open
150
Open
R4 (
)
R1/R17
51.1
78.7
107.0
165.0
Open/Open
Open/Open
Open/Open
Open/Open
Single-Ended Input Termination
Z
IN
(
)
R2/R3
50
0
/0
75
0
/0
R4
(
)
Open
Open
R1/R17
53.6
/25.5
82.5
/39.2
Overshoot on PC Printer Ports
The data lines on some PC parallel printer ports have excessive
overshoot that may cause communications problems when pre-
sented to the CLK pin of the AD8328. The evaluation board was
designed to accommodate a series resistor and shunt capacitor
(R2 and C5 in Figure 11) to filter the CLK signal if required.
Installing Visual Basic Control Software
Install the CabDrive_28 software by running the setup.exe file on
disk one of the AD8328 evaluation software. Follow the on-screen
directions and insert disk two when prompted. Choose installation
directory and then select the icon in the upper left to complete
the installation.
Running AD8328 Software
To load the control software, go to START, PROGRAMS,
CABDRIVE_28 or select the AD8328.exe file from the installed
directory. Once loaded, select the proper parallel port to com-
municate with the AD8328 (Figure 9).
Figure 9. Parallel Port Selection
Controlling Gain/Attenuation of the AD8328
The slide bar controls the gain/attenuation of the AD8328, which
is displayed in dB and in V/V. The gain scales 1 dB per LSB. The
gain code from the position of the slide bar is displayed in decimal,
binary, and hexadecimal (Figure 10).
-
Figure 10. Control Software Interface
Transmit Enable and Sleep Mode
The Transmit Enable and Transmit Disable buttons select the
mode of operation of the AD8328 by asserting logic levels on the
asynchronous TXEN pin. The Transmit Disable button applies
Logic 0 to the TXEN pin, disabling forward transmission. The
Transmit Enable button applies Logic 1 to the TXEN pin, enabling
the AD8328 for forward transmission. Checking the Enable
SLEEP
Mode checkbox applies Logic 0 to the asynchronous
SLEEP
pin, setting the AD8328 for
SLEEP
mode.
Memory Functions
The Memory section of the software provides a way to alternate
between two gain settings. The X->M1 button stores the current
value of the gain slide bar into memory, while the RM1 button
recalls the stored value, returning the gain slide bar to the stored
level. The same applies to the X->M2 and RM2 buttons.
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| AD8328ARQ | 5 V Upstream Cable Line Driver |
| AD8328ACP-REEL | 5 V Upstream Cable Line Driver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8328_05 | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Upstream Cable Line Driver |
| AD8328ACP | 制造商:Analog Devices 功能描述:SP Amp Line Driver Amp Single 5.25V 20-Pin LFCSP EP Tray 制造商:Rochester Electronics LLC 功能描述:LFCSP LOW COST +5V CABLE LINE DRIVER - Bulk |
| AD8328ACP-EVAL | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Upstream Cable Line Driver |
| AD8328ACP-REEL | 制造商:Analog Devices 功能描述:SP Amp Line Driver Amp Single 5.25V 20-Pin LFCSP EP T/R 制造商:Rochester Electronics LLC 功能描述:LFCSP LOW COST +5V CABLE LINE DRIVER - Tape and Reel |
| AD8328ACP-REEL7 | 功能描述:IC LINE DRIVE CBLE 5V 20LFCSP TR RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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