NJM2552V Просмотр технического описания (PDF) - Japan Radio Corporation
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производитель
NJM2552V Datasheet PDF : 21 Pages
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# Circuit 3 (Gv)
NJM2552
MIX IN
20
AM AGC RF AGC RSSI
IN
OUT OUT
V+
19
18
17
16
AM AF
OUT
V+
AM
SW
15
14
AM
DET
Gv
AM P
OUT
AM P
IN
C9
1u
R4
270k
C10
1u
FM AF
OUT
R5
1k
13
12
11
-A AMP
M IXER
RSSI
31k Hz
OSC
AM P
AGC
+-
AM AMP
+ FM AMP
FM
-
DET
1
2
3
4
5
6
7
8
9
10
C1
1000p
LOCAL IN
# Circuit 4 (Vod1/2, THD1/2/3, S/N1/2, AMR, Vrssi1/2/3, FMIFGV, VAGC, DVod )
MIX IN
20
BPF
VAGC Vrssi
AM AGC RF AGC RSSI
IN
OUT OUT
0.1k to 30k
AM AF
V+
R3
V+
OUT
20k
R8
8.2k
C16
C8
C7
C11
10u
1000p 1000p
0.01u
19
18
17
16
15
14
AM
DET
Vod2 DVod
THD2 S/N2
THD3
AM P
OUT
AMP FM AF
IN
OUT
Vod1
THD1
S/N1
AMR
R9 C12
10k 0.01u
13
12
11
-A AMP
M IXER
RSSI
OSC
AM P
AGC
+-
AM AMP
+ FM AMP
FM
-
DET
1
2
C1
1000p
LOCAL IN
3
4
450k Hz
5
C3
68n
51
6
C4
68n
7
8
9
C5
C6
C13
0.1u
0.1u
18p
R10
1.5k
FMIFGV
10
CD
V+
C17
10u
Ver.2007-10-24
-5-
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