TEA1067 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
TEA1067
Philips Electronics
'TEA1067' PDF : 28 Pages View PDF
Philips Semiconductors
Low voltage versatile telephone
transmission circuit with dialler interface
Product specification
TEA1067
handbook, full pagewidth
0
∆Gv
(dB)
−2
−4
R6 = ∞
MSA507
78.7 kΩ 110 kΩ 140 kΩ
R9 = 20 Ω
−6
0
20
40
60
80
100
120
140
Iline (mA)
Fig.13 Variation of gain with line current, with R6 as a parameter.
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 Ω.
Rexch (Ω)
400 600 800
1000
R6 (kΩ)
Vexch
(V)
36
100 78.7
X
X
48
140 110
93.1 82
60
X
X
120
102
June 1990
17
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