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TEA1064B View Datasheet(PDF) - Philips Electronics

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TEA1064B Datasheet PDF : 32 Pages
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Vi
C1 100 µF
Ip
10
µF
C15
220
µF
Vi
13
IR
16
VCC
R16
392
R1
620
1
LN
QR4
9
MIC+
8
MIC
12
DTMF
TEA1064B
QR+ 5
R4
100
GAR 6 k
14
MUTE
15
PD
2
GAS1
R7
68
7
DLS/MMUTE
3 k
GAS2
VEE2 VEE1 REG AGC STAB SLPE
19 11 17 18 10 20
C16
470 nF
C3
R5
4.7 R6 3.6 R9
µF
k20
100 µF
RL
600
C4
100 pF
C7 1 nF
C6
100 pF
Iline
Vo
11 to
140 mA
MBA443
For measuring gain from MIC+ and MICthe MUTE input should be LOW or open-circuit.
For measuring the DTMF input, the MUTE input should be HIGH.
Inputs not being tested should be open-circuit.
Fig.20 Test circuit for defining voltage gain of MIC, MIC+ and DTMF inputs; voltage gain (Gv) is defined as 20logVo/Vi.
 

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