a3845slw Allegro MicroSystems, Inc., a3845slw Datasheet - Page 2

• Manufacturer Part Number: a3845slw
• Description: Am Noise Blanker
• Manufacturer: Allegro MicroSystems, Inc.

Note that the noise-pulse input is attenuated 20 dB by the test circuit.
3845
AM NOISE BLANKER
RF
RF BYPASS
SUPPLY
NOISE
RF
GROUND
RF BIAS
RF AGC
RF IN
16
20
1
2
3
4
19
NO CONNECTION
0.005
0.01
14
REG
AUDIO OUT
AUDIO IN 1
7
0.1
1
0.01
0.1
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Copyright © 1988, 2000 Allegro MicroSystems, Inc.
5
10 F
C 8
R 5
R 6
0.1
+
0.1
PEAK
DET
10
1
2
3
4
5
6
7
8
9
NC
6
8
DET
13
dV/dt DET
V
NC
NC
CC
20
19
18
17
16
15
14
13
12
11
15
0.1
R 15
0.1
0.001
SUPPLY
+4 V
1 k
1 k
Dwg. ES-007-1A
RF BYPASS
MIXER OUT
AUDIO OUT 2
AUDIO IN 2
MIXER
RF GATE
RF GATE
OUT
10
12
11
9
18
17
LOW
HIGH
AUDIO OUT 1
AUDIO IN 1
AUDIO IN 2
AUDIO OUT 2
Dwg. FS-004-1A
V
CC
IN
IF