參數(shù)資料
型號： 933821300112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP18
封裝： 0.300 INCH, PLASTIC, SOT-102, DIP-18
文件頁數(shù)： 9/29頁
文件大小： 231K
代理商： 933821300112
June 1990
17
Philips Semiconductors
Product specication
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1067
Fig.13 Variation of gain with line current, with R6 as a parameter.
handbook, full pagewidth
MSA507
6
4
2
0
Gv
(dB)
140
120
100
80
60
40
20
0
78.7 k
110 k 140 k
R9 = 20
R6 =
∞
Iline (mA)
Table 1
Values of resistor R6 for optimum line loss
compensation, for various usual values of
exchange supply voltage (Vexch) and exchange
feeding bridge resistance (Rexch); R9 = 20 .
Rexch ()
400
600
800
1000
R6 (k
)
Vexch
36
100
78.7
X
(V)
48
140
110
93.1
82
60
X
120
102
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