GP520A Datasheet, PDF (10/10 Pages) List of Unclassifed Manufacturers – Programmable Analog Signal Processor

13
C1 ₊
3µ3
28
C2 ²⁹
MIC
14
22n
V _CC
C3
C4
2n2
2n2
9
15 18 19
VOLTAGE
REGULATOR
C6
1n5
22
R
50k
R_IN14
+
PREAMP
-
40k
10k
R
+ _HP
- ^{2R FILTER}
R
C5
680p
24
+
LP
-^FILTER
C7
68n
26 27
C8
68n
1
C9
C12
68n
50k
VC
10n
31 3 5
FULL WAVE
RECTIFIER
AVERAGING
CIRCUIT
THRESHOLD
AGC
VC AMP
C11
10n
7 30
V cc
R_{OUT 8}
8
CLIPPER
10
RF
-
11
+^OUTPUT
C10
6n8
LIN/LOG
CONVERTER
LIN/LOG
CONVERTER
I _REF
LIN/LOG
CONVERTER
V_BIAS
12
6
20
21
16
25
2
23
4
17
Vcc
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig. 15 Typical Application Circuit
C1
3u3
MIC
10k
1k
1u
2n2
T
M
2n2
2n2
V _CC
C3
2n2
C4
C6
2n2
1n5
C5
680p
C7
C8
68n 68n
C12
C9
50k
C11
VC
10n
68n
10n
13
9
15 18 19
22
24
26 27
1
31 3 5
7 30
V cc
VOLTAGE
REGULATOR
28
50k
29
R
+
LP
-^FILTER
R
FULL WAVE
RECTIFIER
AVERAGING
CIRCUIT
THRESHOLD
AGC
VC AMP
8
CLIPPER
+
+ _HP
14
PREAMP
-
- ^{2R FILTER}
10
R_F
R_IN14
40k
R
10k
-
11
OUTPUT
+
LIN/LOG
CONVERTER
LIN/LOG
CONVERTER
12
6
20
21
All resistors in ohms, all capacitors in farads unless otherwise stated.
I _REF
16
LIN/LOG
CONVERTER
25
2
23
V_BIAS
4
17
C10
6n8
Vcc
Fig. 16 Typical Telecoil Application Circuit
DOCUMENT IDENTIFICATION: DATA SHEET
The product is in production. Gennum reserves the right to make
changes at any time to improve reliability, function or design, in
order to provide the best product possible.
REVISION NOTES:
Updated to Data sheet
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
© Copyright September 1989 Gennum Corporation. All rights reserved.
Printed in Canada.
510 - 78 - 06
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