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參數(shù)資料
| 型號： | TEA1068 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Versatile telephone transmission circuit with dialler interface |
| 中文描述： | TELEPHONE SPEECH CKT, PDIP18 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-18 |
| 文件頁數(shù)： | 15/24頁 |
| 文件大小： | 168K |
| 代理商： | TEA1068 |
1996 Apr 23
15
Philips Semiconductors
Product specification
Versatile telephone transmission circuit
with dialler interface
TEA1068
Table 1
Values of resistor R6 for optimum line loss compensation, for various usual values of exchange supply
voltage V
exch
and exchange feeding bridge resistance R
exch
; R9 = 20
V
exch
(V)
R6 (k
)
R
exch
= 400
61.9
100
140
X
R
exch
= 600
48.7
78.7
110
X
R
exch
= 800
X
68
93.1
120
R
exch
= 1000
X
60.4
82
102
24
36
48
60
Fig.14 Test circuit for defining voltage gain of MIC+, MIC
and DTMF inputs.
Voltage gain is defined as; G
= 20 log
V
/V
. For measuring the gain from MIC+ and MIC
, the MUTE input should be LOW or open, for measuring
the DTMF input, MUTE should be HIGH. Inputs not under test should be open.
handbook, full pagewidth
Iline
MBH138
R6
R5
3.6
k
R9
20
SLPE
STAB
AGC
REG
VEE
GAS2
GAS1
R7
68 k
R4
100 k
C4
100 pF
C7 1 nF
C6
100 pF
100
μ
F
RL
600
Vo
VCC
LN
R1
620
10 to 140 mA
10
μ
F
Vi
C1
100
μ
F
Vi
IR
MIC
+
MIC
DTMF
MUTE
PD
TEA1068
QR
+
GAR
QR
C3
4.7
μ
F
相關(guān)PDF資料 |
PDF描述 |
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| TEA1068T | Versatile telephone transmission circuit with dialler interface |
| TEA1069 | Versatile speech/dialler/ringer with music-on-hold |
| TEA1069A | Versatile speech/dialler/ringer with music-on-hold |
| TEA1069AH | Versatile speech/dialler/ringer with music-on-hold |
| TEA1069H | Versatile speech/dialler/ringer with music-on-hold |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA1068T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Versatile telephone transmission circuit with dialler interface |
| TEA1069 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Versatile speech/dialler/ringer with music-on-hold |
| TEA1069A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Versatile speech/dialler/ringer with music-on-hold |
| TEA1069AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Versatile speech/dialler/ringer with music-on-hold |
| TEA1069H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Versatile speech/dialler/ringer with music-on-hold |
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