參數(shù)資料
型號(hào)： T8532
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(yè)數(shù)： 43/48頁(yè)
文件大小： 999K
代理商： T8532
Lucent Technologies Inc.
43
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
Applications
(continued)
Figure 12 shows the complete SLIC schematic for interfacing to the Lucent L9215G short-loop, sine wave, ringing
SLIC. All ac parameters are programmed by the codec. Note this codec differentiates itself in that no external com-
ponents are required in the ac interface to provide a dc termination impedance or for stability. For illustration pur-
poses, 0.5 Vrms PPM injection was assumed in this example and no meter pulse rejection is used. Also, this
example illustrates the device using programmable overhead and current limit. The components associated with
V
REF
can be replaced by a common voltage reference circuit (see Figure 14).
12-3534C (F)
Figure 12. Line Card Solution Using the L9215G SLIC
V
BAT1
BGND
V
BAT2
V
CC
AGND ICM TRGDET
ground key
not used
C
BAT1
0.1
μ
F
C
BAT2
0.1
μ
F
C
CC
0.1
μ
F
RTFLT
DCOUT
PR
PT
OVH
V
PROG
V
REF
C
RT
0.1
μ
F
R
RT
383
k
LUCENT
L7591
50
V
BAT2
FUSIBLE OR PTC
50
CF1
CF2
rate of battery
reversal not
ramped
FB1 FB2
NSTAT BR B2 B1 B0
C
F1
0.47
μ
F
C
F2
0.1
μ
F
PPM
0.5 Vrms
C
10 nF
RING
IN
PPM
IN
VITR
R
CVP
R
CVN
ITR
VTX
TXI
R
4750
V
BAT1
D
BAT1
V
BAT2
V
CC
C
TX
0.1
μ
F
C
0.47
μ
F
not
used
FROM
PROGRAMMABLE
D/A VOLTAGE
SOURCE
C
C1
0.1
μ
F
T8532
VTX
VRP
VRN
L9215G
FROM/TO
CONTROL
FUSIBLE OR PTC
C
VREF
10
F
VRTX
V
CC
R
4.32 k
R
4.02 k
301 k
R
10 V
相關(guān)PDF資料
PDF描述
T8533 T8533/34 Quad Programmable Line Card Signal Processor
T8534 T8533/34 Quad Programmable Line Card Signal Processor
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T8536B T8535B/T8536B Quad Programmable Codec
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T8533 制造商:AGERE 制造商全稱:AGERE 功能描述:T8533/34 Quad Programmable Line Card Signal Processor
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T85331J 制造商:BITECH 制造商全稱:Bi technologies 功能描述:Thick Film Super Low Profile SIP Resistor Networks
T8534 制造商:AGERE 制造商全稱:AGERE 功能描述:T8533/34 Quad Programmable Line Card Signal Processor
T8535B 制造商:AGERE 制造商全稱:AGERE 功能描述:T8535B/T8536B Quad Programmable Codec
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