ILA1238NS
TYPICAL APPLICATION CIRCUIT
0.001
C5
L1
R12
220K
C10
0.47
C9
10.0
R3
10K
29
PLL
LPF
28
MPX
REG
27
VCO
26
RV
22K
R9*
100
25
24
C1
CF3
C8
3.3
7p
C7
L2
C2
2p
C6
10.0
L4
C4
L3
C3
4p
R2 2.2K
3p
18p
30
GND
R4
2.2K
C11
4.7
23
AFC
22
FM
OSC
21
REG
20
FM
RF
19
AM
RF
IN
18
FM
RF
IN
17
16
FM MUTE AM
DISCRI
OSC
GND FM/AM
FE
OUT
R1
ILA1238NS
ST
PILOT PILOT IND
PLL DET
DET VCO Rch
LPF LPF1 LPF2 CHECK OUT
1
R11
220K
2
3
R5
2.2K
4
5
Lch
RIPPLE AGC AGC
OUT Ucc FILTER AFC1 AFC2
6
7
8
C16
33.0
9
C17
1.0
10
C18
4.7
R8
2.2K
C13*
0.022
R6*
3.3K
C19
0.01
CF2
TUNE
GND IND
11
12
FM
IF
IN
13
14
C20
0.01
15
150K
AM
IF
BAND
IN SELECT
C12
1.0
S1
BAND
Rch OUT
R10 330
CF1
IFT
Lch OUT
C14*
0.022
R7*
3.3K
Ucc=3V
C15
100.0
CF1 - filter 465 kHz, CF2 - filter 10.7 MHz,
CF3 - piezoelectric discriminator,
IFT - matching transformer for 465 kHz (parameters are given above).
Fig.10
8
INTEGRAL [ INTEGRAL CORP. ]
