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參數(shù)資料
| 型號(hào)： | TEA1069N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無(wú)繩電話/電話 |
| 英文描述： | Versatile speech/dialler/ringer with music-on-hold |
| 中文描述： | TELEPHONE MULTIFUNCTION CKT, PDIP42 |
| 封裝： | SHRINK, PLASTIC, DIP-42 |
| 文件頁(yè)數(shù)： | 12/44頁(yè) |
| 文件大?。?/td> | 301K |
| 代理商： | TEA1069N |
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1998 Jan 08
12
Philips Semiconductors
Product specification
Versatile speech/dialler/ringer with
music-on-hold
TEA1069; TEA1069A
Table 1
Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage
(V
exch
) and exchange feeding bridge resistance (R
exch
); R9 = 20
V
exch
(V)
R6 (k
)
R
exch
= 400
100
140
R
exch
= 600
78.7
110
R
exch
= 800
93.1
120
R
exch
= 1000
82
102
36
48
60
Fig.9 Variation of gain as function of line current with R6 as parameter.
handbook, full pagewidth
MGD490
6
5.8
4
2
0
Gv
(dB)
140
120
100
80
60
40
20
0
78.7 k
110 k
140 k
R6 =
∞
Iline
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