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參數(shù)資料
| 型號： | MAX3805ETE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | 10.7Gbps Adaptive Receive Equalizer |
| 中文描述： | TELECOM-LINE EQUALIZER, QCC16 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-220WEED-2, TQFN-16 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 301K |
| 代理商： | MAX3805ETE |
M
Input Stage with Equalization
The low-noise input stage of the MAX3805 includes two
amplifiers, one with flat frequency response and the
other with a highpass frequency response compensat-
ing for the loss characteristic of 6-mil FR-4 PC board
transmission line. A current-steering network, imple-
mented with a pair of variable attenuators feeding into a
common summing node, provides the means to contin-
uously vary the amount of equalization. The amount of
equalization is controlled by feedback from two power-
detector blocks that set the variable attenuators to
match the loss of a particular transmission path.
Dual Power-Detector Feedback Loop
The MAX3805 adapts the equalizer to a specific path
loss by sampling the output of the summing node with a
pair of frequency-dependent power detectors. The first
power detector has a lowpass bandwidth of 500MHz; the
second power detector has full bandwidth.
NRZ PRBS data has a sin
2
(f)/f
2
spectral characteristic.
When this data is passed through a lossy FR-4 path,
high-frequency components are attenuated, while low-
10.7Gbps Adaptive Receive Equalizer
6
_______________________________________________________________________________________
∑
MAX3805
CML IN
FLAT
AMP
BOOST
AMP
VARIABLE
ATTENUATOR
VARIABLE
ATTENUATOR
LIMITING
AMP
CML OUT
L
D
P
D
LOOP
FILTER
SIGNAL
DETECT
LFPD
HFPD
SD
EN
SDO-
SDO+
SDI+
SDI-
V
CC1
V
CC
V
CC2
Functional Diagram
50
50
ESD
STRUCTURES
V
CC
V
CC2
OUT+
OUT-
Figure 1. CML Output Structure
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| MAX3805ETE#G16 | 功能描述:以太網(wǎng) IC 10.7Gbps Settable Receive EQ RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX3805ETE#TG16 | 功能描述:以太網(wǎng) IC 10.7Gbps Settable Receive EQ RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX3805ETE-T | 功能描述:以太網(wǎng) IC 10.7Gbps Settable Receive EQ RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| MAX3806GTC+ | 功能描述:跨阻抗放大器 Receiver For Optic Distance Measurement RoHS:否 制造商:Texas Instruments 封裝 / 箱體:SOIC-14 帶寬:3 MHz 工作電源電壓:36 V 電源電流:5.5 mA 工作溫度范圍:- 40 C to + 85 C 封裝:Tube |
| MAX3806GTC+T | 功能描述:跨阻抗放大器 Receiver For Optic Distance Measurement RoHS:否 制造商:Texas Instruments 封裝 / 箱體:SOIC-14 帶寬:3 MHz 工作電源電壓:36 V 電源電流:5.5 mA 工作溫度范圍:- 40 C to + 85 C 封裝:Tube |
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