tea1069n NXP Semiconductors, tea1069n Datasheet - Page 12

• Manufacturer Part Number: tea1069n
• Description: Versatile Speech/dialler/ringer With Music-on-hold
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 1 Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage
1998 Jan 08
handbook, full pagewidth
Versatile speech/dialler/ringer with
music-on-hold
V
exch
(V
36
48
60
exch
(V)
) and exchange feeding bridge resistance (R
(dB)
G v
5.8
Fig.9 Variation of gain as function of line current with R6 as parameter.
0
2
4
6
0
R
exch
20
100
140
= 400
40
78.7 k
R
exch
110 k
R6 =
60
12
78.7
110
= 600
exch
); R9 = 20
140 k
80
R6 (k )
100
R
exch
93.1
120
= 800
TEA1069; TEA1069A
120
I
line
MGD490
(mA)
140
Product specification
R
exch
102
= 1000
82