參數(shù)資料
型號(hào)： TEA1068T
廠商： NXP SEMICONDUCTORS
元件分類： 無(wú)繩電話/電話
英文描述： Versatile telephone transmission circuit with dialler interface
中文描述： TELEPHONE SPEECH CKT, PDSO20
封裝： PLASTIC, SO-20
文件頁(yè)數(shù)： 15/24頁(yè)
文件大?。?/td> 168K
代理商： TEA1068T
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
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
TEA1069N 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
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
TEA1069N 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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