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TEA1068 View Datasheet(PDF) - Philips Electronics

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TEA1068 Datasheet PDF : 24 Pages
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Philips Semiconductors
Versatile telephone transmission circuit
with dialler interface
Product specification
TEA1068
handbook, full pagewidth
10 µF
Vi
C1
100 µF
IR
VCC
R1
620
LN QR
MIC+
MIC
DTMF
MUTE
TEA1068
QR+
GAR
GAS1
PD
VEE
GAS2
REG AGC STAB SLPE
I line
10 µF
100 µF
ZL
Vo
600
R4
C4
100
100 pF
k
C7 1 nF
R7
C6
100 pF
10 to 140 mA
C3
4.7
µF
R6
R5
3.6
k
R9
20
MBH139
Voltage gain is defined as; Gv = 20 log Vo/Vi.
Fig.15 Test circuit for defining voltage gain of the receiving amplifier.
1996 Apr 23
16
 

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