GA3203 Просмотр технического описания (PDF) - Gennum -> Semtech
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GA3203 Datasheet PDF : 9 Pages
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VB
7
C21
8n
R4
184k
R3
185k
C20
C19
10n
100n
R6
185k
R5
92k
C18
100n
GA3203
GP523
1
3k9
2
3
10
5
C1
R2 80n
45k5
R9
18k
C2
8n
C3
80n
REGULATOR
FAST
SLOW
DETECTOR DETECTOR
1
1
X
X
CONTROL
RECTIFIER
I REF
-A
NOTCH
Hp
24 dB / Oct
BAND SPLIT
FILTER
Lp
COMPRESSOR
COMPRESSOR
SQUELCH
DETECTOR
AGC-O
RECTIFIER
C17
20n
-B
Ragc
-C
Rsquelch C16
30n
C4
15n
C6
20n
R7
R1
460k
64k
SW
C13
150n
R8
92k
C14
C15
100n
4n
6
50k
4
All resistors in ohms, all capacitors in farads, unless otherwise stated.
VB
7
Fig. 1 Test Circuit
8
9
R4
184k
R3
185k
C21
C20
C19
8n
10n
100n
R6
185k
R5
92k
C18
100n
GA3203
GP523
1
2
*
3
10
5
C1
R2 80n
45k5
R9
18k
C2
8n
C3
80n
REGULATOR
FAST
SLOW
DETECTOR DETECTOR
1
1
X
X
CONTROL
RECTIFIER
I REF
-A
NOTCH
Hp
24 dB / Oct
BAND SPLIT
FILTER
Lp
COMPRESSOR
COMPRESSOR
SQUELCH
DETECTOR
AGC-O
RECTIFIER
C17
20n
-B
Ragc
-C
Rsquelch C16
30n
C4
15n
C6
20n
R7
R1
460k
64k
SW
C13
150n
R8
92k
C14
C15
100n
4n
8
9
*Any Knowles or Microtronic microphone
**Any Knowles Class D integrated receiver
All resistors in ohms, all capacitors in farads, unless otherwise stated.
Fig. 2
Typical Application circuit
522 - 13 - 04
4
VB
2µ2
6
**
4
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