GA3201 Programmable
DynamEQ
廬
II
DATA SHEET
FEATURES
DESCRIPTION
The GA3201 programmable hybrid is composed of a
DynamEQ
廬
II Wide Dynamic Range Compression signal
processor and the GP522 controller memory chip. The
hybrid incorporates 24dB/oct filtering.
The gain and frequency response are dependent on the user鈥檚
environment. The Twin Average Detector circuit is optimized
for sound quality during normal listening without sacrificing
comfort during sudden loud sounds.
The GA3201 features six programmable parameters:
independent compression ratio adjustment in the High and
Low frequency channels, VC adjustment, threshold
adjustment, crossover frequency adjustment and MPO
adjustment.
The output stage is designed as a preamplifier for the class D
integrated receiver.
鈥?/div>
DynamEQ
廬
II flexibility
鈥?/div>
six programmable parameters
鈥?/div>
24dB/oct state variable filter
鈥?/div>
twin average detectors
鈥?/div>
handles high input levels
鈥?/div>
drives class D integrated receivers
thinSTAX
鈩?/div>
PACKAGING
Hybrid typical dimensions:
0.200 x 0.115 x 0.066in.
(5.08 x 2.92 x 1.68mm)
GA3201
V
B
5
GA3201
R3 200k
GP522
R6
200k
C8
8n5
V
BAT
C
SAD
2M
V
REG
1
REGULATOR
SLOW
AVERAGE
DETECTOR
C6
83n
C
FAD
1M
C5
7n4
1:1
2:1
4:1
R
HI
R
LO
C1
81n
V
REG
R
TH
3k3
FAST
AVERAGE
DETECTOR
85k6
42k8
CONTROL
RECTIFIER
1
X
V
B
48k
OUT C4
-B
-C
92n
RL
Low Frequency
Expander / Compressor
49k5
R2
R
AGC_IN
R
H
C2
IN
2
73n
IN
-A
10k
12k
GND
GND
3
A
OUT
REC
C3
SDA
8
PGI
73n
R1
24dB/oct
BAND SPLIT
FILTER
High Frequency
Expander / Compressor
4
OUT
48k
11k
MPO
B
IN
C7
0碌14
R4
13k1
R
FC
F
OUT
B
OUT
R5
100k
R7
500k
6
69k5
200k
7
All resistors on ohms, all capacitors in farads, unless otherwise stated.
B
IN
B
OUT
BLOCK DIAGRAM
Revision Date: January 2002
Document No. 521 - 92 - 04
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996
Web Site: www.gennum.com E-mail: hipinfo@gennum.com
GA3201相關(guān)型號(hào)PDF文件下載
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型號(hào)
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