參數(shù)資料
型號(hào): 935230190112
廠商: NXP SEMICONDUCTORS
元件分類: 無(wú)繩電話/電話
英文描述: TELEPHONE SPEECH CKT, PDIP16
封裝: 0.300 INCH, PLASTIC, SOT-38, DIP-16
文件頁(yè)數(shù): 8/30頁(yè)
文件大?。?/td> 281K
代理商: 935230190112
1997 Sep 03
16
Philips Semiconductors
Product specication
Low voltage transmission circuits with
dialler interface
TEA1062; TEA1062A
Table 1
Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage
(Vexch) and exchange feeding bridge resistance (Rexch); R9 = 20 .
Vexch (V)
R6 (k
)
Rexch = 400
Rexch = 600
Rexch = 800
Rexch = 1000
36
100
78.7
48
140
110
93.1
82
60
120
102
Fig.13 Variation of gain as a function of line current with R6 as a parameter.
handbook, full pagewidth
MSA507 - 1
6
4
2
0
Gv
(dB)
140
120
100
80
60
40
20
0
78.7 k
110 k 140 k
R6 =
I
(mA)
line
R9 = 20
.
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