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GL6962 Scheda tecnica(PDF) 9 Page - Hynix Semiconductor

Il numero della parte GL6962
Spiegazioni elettronici  Low Voltage Universal Speech Network
PDF  12 Pages
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Produttore elettronici  HYNIX [Hynix Semiconductor]
Homepage  http://www.skhynix.com/kor/main.do
Logo HYNIX - Hynix Semiconductor

GL6962 Scheda tecnica(HTML) 9 Page - Hynix Semiconductor

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GL6962/GL6962A
9
For measuring gain from MIC+ and MIC-, the MUTE input should be HIGH.
For measuring the DTMF input, the MUTE input should be LOW or open-circuit.
Inputs not being tested should be open-circuit.
Fig. 2 Test circuit for defining GL6962A voltage gain of MIC+, MIC- and DTMF inputs.
(Voltage gain is defined as GV = 20log |Vo/Vi|
4
5
7
6
C1
+ 100•F
+
10•F
C3
4.7•F
+
R5
3. 6k
¥ Ø
C8
1 nF
R1
620¥ Ø
C7
1 nF
C4
100pF
R4
100k¥ Ø
100•F
+
Iline
VO
RL
600¥ Ø
10 to
140mA
Vi
R9
20¥ Ø
C6
100pF
R7
68k¥ Ø
R6
1
10
16
2
3
14
15
8
9
13
11
12
IR
QR
RGA
MIC+
MIC-
SLPE
TGA1
TGA2
REG
AGC
Iref
VEE
DTMF
VCC
LN
GL6962A
MUTE



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