SB3230 Datasheet, PDF (6/17 Pages) ON Semiconductor – Preconfigured DSP System

RHYTHM SB3230
TYPICAL APPLICATIONS (continued)
V_B
MS2
1
REGULATOR
18
A/D
17
A/D
16
15
2
SB3230
9
10
MIC / TELECOIL
COMPENSATION
To Programming box
12
11
MS1
PROGRAMMING
INTERFACE
FEEDBACK
CANCELLER
TONE
GENERATOR
+ ^{PRE BIQUAD FILTERS POST BIQUAD FILTERS}
1−4
3&4
CROSS
FADER
1, 2 or 4 CHANNEL
WDRC, EQ, ANR
AGC−O
EVOKE
POST BIQUAD FILTERS
1&2
VC GAIN
WIDEBAND GAIN
TRIMMER/VC INTERFACE
13
14
22
21 20
19
NOISE GENERATOR
BIQUAD 1−4
VC
200 k
8
7
PEAK
CLIPPING
D/A
5
HBRIDGE
6
4
3
Note: All resistors in ohms and all capacitors in farads, unless otherwise stated.
Figure 3. Typical Programmable Application Circuit
Reed Switch
For Autotcoil
MS1
1
REGULATOR
18
A/D
17
A/D
16
15
2
SB3230
9
10
MIC / TELECOIL
COMPENSATION
12
11
PROGRAMMING
INTERFACE
FEEDBACK
CANCELLER
TONE
GENERATOR
+
PRE BIQUAD FILTERS POST BIQUAD FILTERS
1−4
3&4
1, 2 or 4 CHANNEL
WDRC, EQ, ANR
AGC−O
POST BIQUAD FILTERS
1&2
VC GAIN
WIDEBAND GAIN
CROSS
FADER
EVOKE
TRIMMER/VC INTERFACE
NOISE GENERATOR
BIQUAD 1−4
13
14
22
21
20
19
VC TR1 TR2 TR3 TR4
V_B
22
47μ
8
7
PEAK
CLIPPING
D/A
5
HBRIDGE
6
4
3
Note: All resistors in ohms and all capacitors in farads, unless otherwise stated.
Figure 4. Typical Trimmer Application Circuit
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