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參數(shù)資料
| 型號： | T8531 |
| 元件分類： | Codec |
| 英文描述： | T8502 and T8503 Dual PCM Codecs with Filters |
| 中文描述： | T8502和T8503雙的PCM編解碼器與濾波器 |
| 文件頁數(shù)： | 44/48頁 |
| 文件大?。?/td> | 999K |
| 代理商： | T8531 |
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44
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Applications
(continued)
Figure 13 shows the complete SLIC schematic for interfacing to the Lucent L9310G Line Interface and Line Access
circuit. All ac parameters are programmed by the codec. Note this codec differentiates itself in that no external
components are required in the ac interface to provide a dc termination impedance or for stability. For illustration
purposes, 2.2 Vrms PPM injection was assumed in this example and hybrid meter pulse rejection is used. Also, this
example illustrates the device using the battery switch with multiple battery operation and programmable overhead,
current limit and loop closure threshold.
0500 (F)
Figure 13. Line Card Solution Using the L9310G SLIC
R
S1
FUSIBLE
OR PTC
50
CV
BAT1
0.1
F
V
BAT1
RTS
V
PROG
(I
LIMIT
= 25 mA)
LCTH (THRESHOLD = 11 mA)
V
BAT
C
F2
0.1
μ
F
FB2
CF1
VTX
ITR
PPMOUT
C
RTS
0.1
μ
F
PPMIN
AGNDV
DD
1 M
50
R
RING
100 V—130 V
SECONDARY
PROTECTOR
FUSIBLE
OR PTC
R
RTF
400
RINGING
SOURCE
C
CC
0.1
μ
F
V
CC
C
DD
0.1
μ
F
V
DD
A
D
C
TX
0.1
μ
F
R
GX
6.49 k
RSW
PT
V
/
PWR
T
RING
V
CC
BGND
V
BAT1
TRGDET
ICM
DGND
TXI
TXN
180 V—330 V
SECONDARY
PROTECTOR
FB1
V
REF
TESTLEV
TESTSIG
CF2
PER-LINE
TO/FROM
MICROPROCESSOR
V
BAT2
CV
BAT2
0.1
F
C
PPM
0.01
μ
F
R
PPM
17.4 k
RAMPED
PPM
GENERATION
0.7 Vrms for
2.2 Vrms at T/R
OVH (OVERHEAD = 9.2 V for 2.2 Vrms PPM)
FROM
PROGRAMMABLE
VOLTAGE
SOURCE
L9310G
(GAIN OF 2)
LCF
PR
RESET
R
LCTH
VITR
R
CVP
R
CVN
C
C1
0.1
μ
F
T8532
VTX
VRP
VRN
VRTX
301 k
R
V
REF
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PDF描述 |
|---|---|
| T8532 | T8502 and T8503 Dual PCM Codecs with Filters |
| T8533 | T8533/34 Quad Programmable Line Card Signal Processor |
| T8534 | T8533/34 Quad Programmable Line Card Signal Processor |
| T8535B | T8535B/T8536B Quad Programmable Codec |
| T8536B | T8535B/T8536B Quad Programmable Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T8531A | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8531A/8532 Multichannel Programmable Codec Chip Set |
| T8532 | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8531A/8532 Multichannel Programmable Codec Chip Set |
| T8533 | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8533/34 Quad Programmable Line Card Signal Processor |
| T85331G | 制造商:BITECH 制造商全稱:Bi technologies 功能描述:Thick Film Super Low Profile SIP Resistor Networks |
| T85331J | 制造商:BITECH 制造商全稱:Bi technologies 功能描述:Thick Film Super Low Profile SIP Resistor Networks |
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