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參數(shù)資料
| 型號(hào)： | AFE1115 |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:12; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-97 RoHS Compliant: No |
| 中文描述： | HDSL / MDSL模擬前端與石英振蕩器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 219K |
| 代理商： | AFE1115 |
7
AFE1115
txPLL
OUT
REF
P
V
CM
REF
N
DV
DD
AV
DD
AV
DD
AFE1115
AV
DD
AV
DD
txPLL
IN
VCXO Input, 2
VCXO Output, 1
vcDAC, 47
txDAT
txCLK
rxSYNC
rxGAIN
rxLOOP
rxG1
rxD13
PGND
DGND
AGND
AGND
AGND
AGND
txLINE
P
txLINE
N
rxHYB+
rxHYB–
rxLINE–
rxLINE+
VCXO Output Clock, 3
vcDATA
vcSCLK
vcLE
0.01μF
–
–
+
+
Compromise
Hybrid
Input Antialias Filter
fc
2xSymbol Rate
0.01μF
5V Analog
0.1μF
0.1μF
0.1μF
0.1μF 0.1μF
1 - 10μF
5V to 3.3V Digital
5 - 10
resistor may be
needed for isolation
1:2.3 Transformer
Tip
Ring
0.1μF
0.1μF
0.1μF
0.1μF
150pF
150pF
1k
68.1k
1k
200
0.1μF
DV
DD
Parasitic Capacitance
Must be Minimized at
These Points.
68.1k
68.1k
BB809
750
100pF
100pF
750
750
750
FIGURE 2. Basic Connection Diagram.
RECEIVE CHANNEL PROGRAMMABLE
GAIN AMPLIFIER
The gain of the amplifier at the input of the Receive Channel
is set by two gain control pins, rxGAIN1 and rxGAIN0. The
resulting gain between –3dB and +9dB is shown below.
rxGAIN1
rxGAIN0
GAIN
0
0
–3dB
0
1
+3dB
1
0
+9dB
SCALEABLE DATA RATE
The AFE1115 scales operation with the clock frequency. All
internal filters and the pulse former change frequency with
the clock speed so that the unit can be used at different
frequencies just by changing the clock speed.
rxHYB
AND rxLINE INPUT ANTI-ALIASING FILTERS
An external input anti-aliasing filter is needed on the hybrid
and line inputs as shown in the Basic Connection Diagram
above. The –3dB frequency of the input anti-aliasing filter
for the rxLINE and rxHYB differential inputs should be
approximately 1MHz for E1 and T1 symbol rates. Suggested
values for the filter are 750
for each of the two input
resistors and 100pF for the capacitor. Together the two
750
resistors and the 100pF capacitor result in a 3dB
frequency of just over 1MHz. The 750
input resistors will
result in a minimal voltage divider loss with the input
impedance of the AFE1115.
For speed less than E1, the anti-aliasing filters will give best
performance with 3dB frequency approximately equal to
two times the symbol rate. For instance, a 3dB frequency of
400kHz may be used for a single line symbol rate of 196k
symbols per second.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AFE1115E | Circular Connector; No. of Contacts:12; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-97 RoHS Compliant: No |
| AFE1124 | LJT 12C 8#20 4#16 SKT WALL REC |
| AFE1124E | Circular Connector; No. of Contacts:15; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:15-15 RoHS Compliant: No |
| AFE1144 | Circular Connector; No. of Contacts:15; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:15-15 RoHS Compliant: No |
| AFE1144E | Circular Connector; No. of Contacts:15; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-15 RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AFE1115E | 功能描述:IC ANALOG FRONT END 56-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
| AFE1115E/1K | 功能描述:IC ANALOG FRONT END 56-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
| AFE1115E-1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AFE1115E-1/1K | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AFE1124 | 制造商:BB 制造商全稱:BB 功能描述:HDSL/MDSL ANALOG FRONT END |
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