GA3203E3 Gennum Corp., GA3203E3 Datasheet - Page 4

• Manufacturer Part Number: GA3203E3
• Description: Programmable DynamEQIII
• Manufacturer: Gennum Corp.

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