GB3211 Datasheet, PDF (5/7 Pages) Gennum Corporation – Power PARAGON-TM DIGITAL Four Channel DSP System with FRONTWAVE-R

VB
12
205n
7
REGULATOR _13n
200k
5
4
11 13
VC
A/D
INTERFACE EEPROM
14
GB3211
(GB3221)
9
3k9
70n
3k9
1k
70n
6
10
60n
8
A/D
FRONTWAVE
A/D
CHANNEL 1
CHANNEL 2
S
CHANNEL 3
CHANNEL 4
OUT
15
D/A
HBRIDGE
LP FILTER
1
3
2
All resistors in ohms, all capacitors in farads unless otherwise stated.
Figure 1: Test Circuit
MS2
MS
22
47µ
VC
200k(log)
12
5
205n
13n
7
REGULATOR
VC
A/D
4
11 13
INTERFACE EEPROM
VB
14
GB3211
(GB3221)
9
A/D
70n
CHANNEL 1
70n
6
10
60n
8
FRONTWAVE
A/D
CHANNEL 2
S
CHANNEL 3
CHANNEL 4
3
All resistors in ohms, all capacitors in farads unless otherwise stated.
Knowles or Microtronic microphones
Figure 2: Sample Application Circuit
GENNUM CORPORATION
5 of 7
D/A
HBRIDGE
15
1
Knowles or Microtronic
zero-bias receiver
2
20475 - 4