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