tea1062a-c4-m1 NXP Semiconductors, tea1062a-c4-m1 Datasheet - Page 17
tea1062a-c4-m1
Manufacturer Part Number
tea1062a-c4-m1
Description
Low Voltage Transmission Circuits With Dialler Interface
Manufacturer
NXP Semiconductors
Datasheet
1.TEA1062A-C4-M1.pdf
(28 pages)
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Philips Semiconductors
1997 Sep 03
Low voltage transmission circuits with
dialler interface
handbook, full pagewidth
Voltage gain is defined as G
For measuring gain from MIC+ and MIC the 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.
C1
Fig.14 Test circuit for defining TEA1062 voltage gain of MIC+, MIC and DTMF inputs.
100 F
10 F
V i
V i
v
= 20 log V
o
10
11
12
/V
6
7
i
.
IR
MIC
MIC
DTMF
MUTE
V EE
9
V CC
C3
4.7
F
13
REG
14
TEA1062
620
AGC
R1
15
R6
17
STAB
8
R5
3.6
k
LN
1
SLPE
GAS1
GAS2
16
GAR
R9
20
QR
4
5
2
3
R4
100 k
R7
68 k
TEA1062; TEA1062A
100 pF
100 F
C7 1 nF
C4
100 pF
1 nF
C8
C6
600
R L
I line
MSA508
Product specification
V o
10 to 140 mA
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