TEA1062/C3 Philips Semiconductors (Acquired by NXP), TEA1062/C3 Datasheet - Page 16

• Manufacturer Part Number: TEA1062/C3
• Description: TEA1062; TEA1062A; Low Voltage Transmission Circuits With Dialler Interface;; Package: SOT109 (SO16), SOT38-1 (DIP16)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
Table 1 Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage
1997 Sep 03
handbook, full pagewidth
Low voltage transmission circuits with
dialler interface
R9 = 20
V
exch
(V
36
48
60
exch
(V)
) and exchange feeding bridge resistance (R
(dB)
G v
Fig.13 Variation of gain as a function of line current with R6 as a parameter.
0
2
4
6
0
R
exch
100
140
= 400
20
78.7 k
40
R
110 k
exch
60
78.7
110
16
= 600
exch
140 k
); R9 = 20 .
80
R6 (k )
R6 =
R
100
exch
93.1
120
= 800
TEA1062; TEA1062A
120
I
line
MSA507 - 1
(mA)
140
Product specification
R
exch
102
= 1000
82