GA3204 Просмотр технического описания (PDF) - Gennum -> Semtech
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производитель
GA3204 Datasheet PDF : 8 Pages
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1
2µ2
VIN =
-80dBV
2
3k9
Pink 3
Noise
Generator
4
to
10
programmer
5
VB = 1.3V
7
C8
C5
C14
C6
8n5
8n
7n4
83n
1M
2M
R3 185k
R6 185k
GA3204
GP523
C1
81n
45k5
R2
C2
81n
REG.
FAST
AVERAGE
DETECTOR
SLOW
AVERAGE
DETECTOR
85k6 42k8
3k3
CONTROL
RAGC_IN
10k
-A
1
RECT.
X
RH
High Frequency
24 dB / Oct Expander/Compressor
BAND SPLIT
12k
FILTER
RL
13k1
Low Frequency
Expander/Compressor
VB
48k
-B
-C
C4
11k
48k 92n
6
50k
C3
C7
80n
0µ14
R5
R1
R4 R7
92k
R8
92k
64k
184k 460k
All resistors in ohms, all capacitors in farads, unless otherwise stated.
9
8
Table of Defaults
R1 - Tap 7
R2 - Tap 15
R3 - Tap 0
R4 - Tap 13
R5 - Tap 0
R6 - Tap 0
R7 - Tap 7
R8 - Tap 0
Fig. 3 Characterization Circuit (Used to generate typical curves)
GENNUM CORPORATION
MICROPHONE
-+
BATTERY
5
6
MS
OUT
4
GND1
3
GND2
2
IN
1
VREG
7
VB
8
BOUT
9
BIN
10
SDA
2µ2
+RECEIVER
TO PROGRAMMER
Fig. 4 Typical Assembly Diagram
4
522 - 17 - 03
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