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參數資料
| 型號： | 78P2241-IGT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 收發器 |
| 英文描述： | Transceiver |
| 中文描述： | 收發器 |
| 文件頁數： | 19/23頁 |
| 文件大小： | 132K |
| 代理商： | 78P2241-IGT |
78P2241
E3/DS3/STS-1
Transceiver
19
E3/DS3/STS-1 Example Circuit
Note 9: Pin names in ( ) denote pin names from 78P7200. Pin numbers refer to 28 PLCC package. Default
settings used to simulate 78P7200.
Note 10: Resistors on TCLK, TNEG, TPOS are optional but recommmeded. Clock pulse shapes at the inputs to
the 78P2241 are dependent on board layout and will dictate the need for such added resistors.
Note 11. Adding a series Ferrite Bead on VCC pins may be required for some pc board layout.
EXTERNAL COMPONENTS (Common to E3/DS3/STS-1)
Component
Receiver Termination Resistor
Tolerance
1%
Value
75
Unit
---
RTR
Receiver Transformer Turns Ratio
TR
3%
1:1
Transmitter Termination Resistor
RTT
1%
301
---
Transmitter Transformer Turns Ratio
TT
3%
1:2ct
EXTERNAL COMPONENTS (Dependant on speed, nominal value)
Component
Tolerance
STS-1
DS3
E3
Unit
Loop Filter Capacitor
CLF
10%
0.047
0.047
0.047
μ
F
k
Bias Resistor
RFO
1%
4.53
5.23
6.81
Note 11: Advanced Data sheet pin assignment ,functions and external component values are subject to change.
0.001uF
VCC
RT
CLF
0.047uF
10K
0.001uF
J1
BNC
301
75
0.1uF
TT
1:2ct
F1
Ferrite Bead
10K
RFO
VCC
U1
78P2241
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
18
19
20
21
2
23
24
25
26
27
28
LIN+
GND
LIN-
GND
RFO
G
VCC
G
LOUT+
ICKP(NCT)
LOUT-
LBO
E3(OPT1)
TPOS/TNEG
TCLK
V
TXEN(OPT2)
LF1
ENDEC(LF2)
MON(NCD1)
G
RCLK
RPOSRNEG
VCC
LOS(LOWSIG
LPBK(CPD)
TR
Framer/
VCC
0.1uF
J2
VCC
VCC
0.1uF
Loop Back Select
MON
F2
Ferrite Bead
Endec Select
LBO
VCC
Speed Select
VCC
相關PDF資料 |
PDF描述 |
|---|---|
| 78P2241-IH | Transceiver |
| 78P2253-IGT | XTAL CER SMT 11X5 4PAD |
| 78P7200 | Line Interface Unit |
| 78P7200-IH | Line Interface Unit |
| 78P7200 | E3/DS3/STS-1 Transceiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 78P2241-IH | 制造商:TDK 功能描述:TRANSCEIVER, 28 Pin Plastic PLCC |
| 78P2243 | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Triple E3/DS3/STS-1 Transceiver |
| 78P2244 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad E3/DS3/STS-1 Transceiver |
| 78P2252 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:OC-3 / STM-1 / STS-3 / E4 Transceivers |
| 78P2252-IGT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
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