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參數(shù)資料
| 型號： | GS1561-CFE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1560A/GS1561 HD-LINX-R II Dual-Rate Deserializer |
| 中文描述： | GS1560A/GS1561的HD - LINX進程- R的第二雙率解串器 |
| 文件頁數(shù)： | 33/80頁 |
| 文件大?。?/td> | 842K |
| 代理商： | GS1561-CFE3 |
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GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
33 of 80
3.4 Serial Digital Loop-Through Output (GS1560A only)
The GS1560A contains an integrated current mode differential serial digital cable
driver with automatic slew rate control. When enabled, this serial digital output
provides an active loop-through of the input signal.
To enable the loop-through output, SDO_EN/DIS must be set HIGH by the
application layer. Setting the SDO_EN/DIS signal LOW will cause the SDO and
SDO output pins to become high impedance, resulting in reduced device power
consumption.
With suitable external return loss matching circuitry, the GS1560A's loop-through
outputs will provide a minimum output return loss of -15dB at SD rates. Gennum
recommends using the GS1528 SDI Dual Slew-Rate Cable Driver to meet output
return loss specifications at HD rates.
The integrated cable driver uses a separate power supply of +1.8V DC supplied via
the CD_VDD and CD_GND pins.
3.4.1 Output Swing
Nominally, the voltage swing of the serial digital loop-through output is 800mV
p-p
single-ended into a 75
Ω
load. This is set externally by connecting the RSET pin to
CD_VDD through 281
Ω
.
The loop-through output swing may be decreased by increasing the value of the
RSET resistor. The relationship is approximated by the curve shown in
Figure 3-1
.
Alternatively, the serial digital output can drive 800mVp-p into a 50
Ω
load. Since
the output swing is reduced by a factor of approximately one third when the smaller
load is used, the RSET resistor must be 187
Ω
to obtain 800mVp-p.
Figure 3-1: Serial Digital Loop-Through Output Swing
300
400
500
600
700
800
900
1000
250
300
350
400
450
500
550
600
650
700
750
RSET(
Ω
)
Δ
V
S
(
p
)
相關PDF資料 |
PDF描述 |
|---|---|
| GS1574A | GS1574A HD-LINX-R II Adaptive Cable Equalizer |
| GS1574ACNE3 | GS1574A HD-LINX-R II Adaptive Cable Equalizer |
| GS1574 | GS1574 HD-LINX -TM II Adaptive Cable Equalizer |
| GS1574-CNE3 | GS1574 HD-LINX -TM II Adaptive Cable Equalizer |
| GS1575A | GS1575A / GS9075A HD-LINX-R II Multi-Rate SDI Automatic Reclocker |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GS1561-CFT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS1561-CFTE3 | 制造商:Semtech Corporation 功能描述:Receiver for HD/SD/ASI w/out loop thru |
| GS1563 | 制造商:Thomas & Betts 功能描述:Installing Dies |
| GS1567 | 制造商:P&B 功能描述:5945-00-9151610 |
| GS1572-IBE3 | 功能描述:RF, RFID, WIRELESS RoHS:是 類別:集成電路 (IC) >> 接口 - 串行器，解串行器 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 功能:解串器 數(shù)據(jù)速率:2.5Gbps 輸入類型:串行 輸出類型:并聯(lián) 輸入數(shù):- 輸出數(shù):24 電源電壓:1.8 V ~ 3.3 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:64-TQFP 裸露焊盤 供應商設備封裝:64-TQFP-EP（10x10） 包裝:管件 |
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