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Philips Semiconductors Product specification
SA615High performance low power mixer FM IF system
1997 Nov 07
7
20
RSSI
OSCILLATOR
LIMITER
19 18 17 16 15 14
13 12 11
10987654321
IF AMP
MUTE RSSI
OUTPUT
AUDIO UNMUTED
AUDIO
C14
IFT1
C13C12C11C10
C9
C8
C7
C6
R9 R10 R11
X1
L2
V
CC
C5
C2
C1
L1
C18
C15
C17
FLT2
C23
C21
R17
5.1k
FLT1
R5
C25
QUAD
DETECTOR
MUTE
SWITCH
MIXER
700
Application Component List
45MHz
INPUT
22pF NPO Ceramic
1nF Ceramic
10.0pF NPO Ceramic
10pF NPO Ceramic
100nF +
10% Monolithic Ceramic
100nF +
10% Monolithic Ceramic
100nF +
10% Monolithic Ceramic
100nF +
10% Monolithic Ceramic
15nF +
10% Ceramic
100nF +
10% Monolithic Ceramic
150pF +
2% N1500 Ceramic
100nF +
10% Monolithic Ceramic
6.8
µF Tantalum (minimum) *
C21
C23
C25
Flt 1
Flt 2
IFT 1
L1
L2
X1
R9
R17
R10
R11
100nF +
10% Monolithic Ceramic
100nF +
10% Monolithic Ceramic
100k +
1% 1/4W Metal Film (optional)
100k +
1% 1/4W Metal Film (optional)
5.1k +
5% 1/4W Carbon Composition
100k +
1% 1/4W Metal Film
44.545MHz Crystal ICM4712701
0.8µH TOKO 292CNS–T1038Z
Ceramic Filter Murata SFG455A3 or equiv
Ceramic Filter Murata SFG455A3 or equiv
100nF +
10% Monolithic Ceramic
C1
C2
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C17
C18
47pF NPO Ceramic
180pF NPO Ceramic
C26
390pF +
10% Monolithic Ceramic
455kHz 270µH TOKO #303LN-1129
300nH TOKO #5CB-1055Z
C26
NE/SA615N
*NOTE: This value can be reduced when a battery is the power source.
SR00344
Figure 4. SA615 45MHz Application Circuit