TEA1064A/C1 Philips Semiconductors (Acquired by NXP), TEA1064A/C1 Datasheet - Page 26
TEA1064A/C1
Manufacturer Part Number
TEA1064A/C1
Description
TEA1064A; Low Voltage Versatile Telephone Transmission Circuit With Dialler Interface And Transmit Level Dynamic Limiting
Manufacturer
Philips Semiconductors (Acquired by NXP)
Datasheet
1.TEA1064AC1.pdf
(36 pages)
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Fig.24 Basic application of the TEA1064A with stabilized supply for peripherals, shown here with a piezo-electric earpiece and DTMF dialling.
telephone
line
The diode bridge and R10 limit the current into, and the voltage across, the circuit during line transients. A different protection
arrangement is required for pulse dialling or register recall.
BAS11
BZW14
(2 )
(2 )
R10
13
3.92 k
R3
100 k
R2
130 k
Z bal
R4
390
C7
R8
100 nF
C5
R13
1 nF
C4
100 pF
R14
13
4
5
6
9
8
IR
QR
QR
GAR
MIC
MIC
20
R9
SLPE
20
100 pF
C6
LN
GAS1
1
2
GAS2
3
TEA1064A
R7
68
k
620
REG
R1
17
C3
470
nF
AGC
V CC1
18
R6
16
STAB
392
R15
10
DLS/MMUTE
R5
3.6
k
V EE
DTMF
MUTE
V CC2
11
PD
12
14
15
7
100 F
C1
C16
470
nF
MGR078
R16
56
C15
220 F
R17
3.3 k
control circuits
from dial
and
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