TEA1066T 데이터 시트보기 (PDF) - Philips Electronics
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TEA1066T Datasheet PDF : 24 Pages
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Philips Semiconductors
Versatile telephone transmission circuit
with dialler interface
APPLICATION INFORMATION
Product specification
TEA1066T
handbook, full pagewidth
R10
13 Ω
BAS11
(2x)
telephone
line BZW14
(2x)
R2
130 kΩ
C5
13
100 nF
4
R11
5
R4
R3
3.92
kΩ
C4
100 pF
6
C7 1 nF
9, 10
1
LN
IR
QR−
QR+
GAR
MICL+/MICH+
R1
620 Ω
TEA1066T
17
VCC
C1
100 µF
15
DTMF
16
MUTE
14
PD
7, 8
MICL−/MICH−
SLPE GAS1 GAS2 REG
AGC
STAB
VEE
20
2
3
18
19
11
12
R8
390 Ω
C6
Zbal
R9 100 pF
20 Ω
R7
C3
4.7 µF R6
R5
3.6 kΩ
MBH129
from dial
and
control
circuits
Typical application of the TEA1066, shown with a piezoelectric earpiece and DTMF dialling. The bridge to the left and R10 limit the current into the
circuit and the voltage across the circuit during line transients. Pulse dialling or register recall require a different protection arrangement.
Fig.14 Application diagram.
1996 Apr 04
17
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