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AM/FM TUNER + MPX
S1A0902X01
GENERAL DESCRIPTION
24-SDIP-300 The S1A0902X01 is an AM/FM 1 chip tuner -- AM: RF_AMP, AM MIX, AM OSC, AM_IF AMP, AM detect, AGC, TUNLED INDICATOR OUTPUT -- FM_FE: RF AMP, MIX, OSC -- FM_IF: IF AMP, Quadrature detect, FM mute, tune indicator output -- MPX: PLL stereo decoder, stereo indicator output 24-TSSOP
FEATURE
* * * * For new FCC AM, FM_FE/IF. MPX 1 chip tuner Non adjustment MPX_VCO Wide operating voltage range: Vcc = 2.0V - 7V
ORDERING INFORMATION
Device S1A0902X01-A0B0 S1A0902X01-R0B0
Package 24-SDIP-300 24-TSSOP
Operating Temperature -20 - +75C
1
S1A0902X01
AM/FM TUNER + MPX
BLOCK DIAGRAM
24
23
22
21
20
19
18
17
16
15
14
13
FM OSC
AM OSC
PRE
PHASE DET
PILOT DET
DECODE
VCO AM RF AM MIX FUS
F/F
F/F
SW
F/F
F/F
HYS
FM RF
FM MIX
AGC
AM DET
FM DET
LEVEL DET
AM IF
FM IF
TUN LED
ST LED
1
2
3
4
5
6
7
8
9
10
11
12
2
AM/FM TUNER + MPX
S1A0902X01
PIN CONFIGURATION
AM RF IN 24
FM RF OUT 23
RF VCC 22
FM OSC 21
AM OSC 20
AFC MUTE 19
DET OUT 18
MPX IN 17
LPF2 16
LPF1 15
L OUT 14
R OUT 13
S1A0902X01
1 FM RF IN
2 RF GND
3 FM MUTE
4 MIX OUT
5 AGC
6 VCC
7 AM IF IN
8 FM IF IN
9 GND
10 TUN LED
11 ST LED
12 QUAD
3
S1A0902X01
AM/FM TUNER + MPX
ABSOLUTE MAXIMUM RATINGS
Parameter Supply Voltage Operating Temperature Storage Temperature Power Dissipation
Symbol Vs Top Tstg Pdmax
Ratings 7 - 20 - +75 - 55 - +150 1200
Unit V C C mW
Remarks
ELECTRICAL CHARACTERISTICS
Ta = 25C, Vcc = 3V, Unless otherwise specified FM F/E: f = 98MHz, fm = 1kHz FM IF: f = 10.7MHz, f = 22.5kHz, fm = kHz AM IF : f = 1MHz, mod = 30%, fm = 1kHz MPX : fm = 1kHz, L + R = 90%, Pilot = 10%, Vin = 150mVrms SPEC Min. Input Limiting Voltage FE Logic Oscilation Voltage Input Limiting Voltage Detection Output Voltage FM Mute Attenuation Ratio FM IF Signal to Noise Ratio Total Hamonic Distortion AM Rejection Ratio Tuning LED On Voltage Detection Output Voltage1 Detection Output Voltage2 AM IF Signal to Noise Ratio Total Hamonic Distortion Tuning LED On Voltage -30dB fosc = 108.7MHz -3dB Vin = 80dBu Vin = 80dBu, SW3 = on Vin = 80dBu Vin = 80dBu Vin = 80dBu IL = 1mA Vin = 26dBu Vin = 60dBu Vin = 60dBu Vin = 60dBu IL = 1mA Vlim1 Vosc Vlim2 Vod1 Amute S/N1 THD1 AMR VL1 Vod2 Vod3 S/N2 THD2 VL2 40 35 55 60 55 40 40 20 55 32 20 Typ. 12 70 40 80 70 65 0.2 50 45 40 70 42 1 25 Max. 18 110 45 110 1 50 60 110 2 30 dBu mVrms dBu mVrms dB dB % dB dBu mVrms mVrms dB % dBu
Characteristics
Test Condition
Symbol
Unit
4
AM/FM TUNER + MPX
S1A0902X01
Characteristics Maximum Input Voltage
Test Condition Stereo, THD = 3% Stereo, f = 100Hz
Symbol Min. Vi(max) CS1 CS2 CS3 THD3 THD4 AV3 CB VL(on) VL(off) HY CR S/N3 300 25 32 25 -5 -1.5 1 65
SPEC Typ. 450 45 45 45 0.2 0.2 -1 0 8 6 2 4 75 Max. 1 1 0.5 1.5 16 -
Unit mVrms dB dB dB % % dB dB mVrms mVrms mVrms % dB
Channel Separation
Stereo, f = 1kHz Stereo, f = 10kHz
Total Hamonic Distortion MPX Voltage Gain Channel Balance Stereo LED On Level Stereo LED Off Level Lamp Hysteresis Capture Range Signal to Noise Ratio
Mono Stereo Mono, L-Channel Mono Pilot only Pilot only LED on off Pilot only Mono
5
S1A0902X01
AM/FM TUNER + MPX
PIN DESCRIPTION
Terminal voltage: Typical terminal voltage at no signal with test circuit. VCC = 3V, Ta = 25C Termianl Voltage AM FM
Pin No.
Characteristic
Internal Circuit
23
1
FMRFIN
100pF 1 1K RF GND 2
0
0.8
2
RFGND
0
0
19 VCC 6
3
FMMUTE
2.2
2.2
GND
9
VCC
6 4
FM MIX
4
MIXOUT
AM MIX
3.0
2.9
RF GND 2
9 GND
6
AM/FM TUNER + MPX
S1A0902X01
Termianl Voltage Pin No. Characteristic Internal Circuit AM FM
VCC
6 1K
5
AGC(AMAGC)
5
0
0
2K GND 9
1K
6
VCC
-
3.0
3.0
VCC 6 3K 7
7
AMIFIN
3.0
3.0
GND 9
VCC 6 330 330
8
FMIFIN
8
3.0
3.0
GND 9
9
GND
-
0
0
10
10
TUNLED (Tuning LED)
GND 9
-
-
7
S1A0902X01
AM/FM TUNER + MPX
Termianl Voltage Pin No. Characteristic Internal Circuit AM FM
19KHZ 11
11
STLED (Stereo LED)
-
-
GND
9
12 VCC 6
12
QUAD (FM QUAD. Detector)
2.5
2.2
GND
9
VCC 6
13 14
R-OUT (R-ch out) L-OUT (L-ch out)
13/ 14
1.1
1.1
5k GND 9
15
LPF1 - LPF terminal for sync. Detector - Bias terminal for MO/ST SW ckt. V16 = Vcc MONO V16 = OPEN STEREO
GND 9
15 MO/ST SW
2.2
2.2
8
AM/FM TUNER + MPX
S1A0902X01
Termianl Voltage Pin No. Characteristic Internal Circuit AM FM
16
LPF2 - LPF terminal for phase detector - Bias terminal for AM/FM SW ckt. V16=VccAM V16=OPENFM
GND
9
16 AM/FM SW
3
2.2
17
MPXIN
17
0.8
0.8
GND 9
VCC
6
AMBIAS
AM
FMBIAS FM 500
18
18
DETOUT
1.0
0.9
GND
9
AMBIAS: AM mode ON, FM mode OFF FMBIAS: AM mode OFF, FM mode ON
19
19
AFC
-
-
9
S1A0902X01
AM/FM TUNER + MPX
Termianl Voltage Pin No. Characteristic Internal Circuit AM FM
20 VCC 6
20
AMOSC
3.0
3.0
GND
9
21 RF VCC 6
21
FMOSC
3.0
3.0
GND 9
22 23
REVCC FMRFOUT cf. pin 1
-
3.0 3.0
3.0 3.0
VCC
6
24
22
24
AMRFIN
3.0
3.0
GND
9
10
AM/FM TUNER + MPX
S1A0902X01
AM
1.6 1.4 1.2 1.0
AM THD - AM Mod. 200 180 160 140 120 Vo2,Vo3 100 (dB) 80 60 40 20 0
0 10
Vo2,Vo3 - AM Mod.
Vo2 Vo3
THD(%)
0.8 0.6 0.4 0.2 0.0
0
Vcc=3V fin=1MHz fm=1KHz
10 20 30 40 50 60 70 80 90
Vcc=3V fin=1MHz fm=1KHz 20 30 40 50 60 70 80 90
AM Modulation(%) AM
8 7 6 5
AM Modulation(%) AM
20 12 4
Iccq - Vcc
Vo - Vcc
Iccq(mA)
4 3 2 1 0 2 3 4 5 6 7 8 9
Vo(dB)
-4 -12 -20 2
Vin=60dBuV fin=1MHz fm=1KHz
3
4
5
6
7
8
9
Vcc(V) FM Vo1,S/N,AMR - RF lev. Vcc=3V fin=98MHz Af=3/422.5KHz fm=1KHz
4.00 2.86 1.43 1.00 0.86 THD (%) 0.71 0.57 0.43
Vcc(V) FM THD - RF lev.
Af=3/422.5KHz Vcc=3V fin=98MHz fm=1KHz
10 0 -10
Vo1
Vo1,S/N,AMR -20 (dB) -30
-40 -50 -60 -70
AMR S/N1
0.29 0.14 0.10
RF Input Level(dBu)
RF Input Level(dBu)
11
S1A0902X01
AM/FM TUNER + MPX
FM
Vo1,S/N - IF lev.
FM
THD - IF lev.
10 0 -10
Af=3/422.5KHz Vcc=3V fin=10.7MHz fm=1KHz Vo1
3.0 2.5 2.0
Af=3/422.5KHz Vcc=3V fin=10.7MHz fm=1KHz
Vo1,S/N -30 (dB)
-40 -50 -60 -70
-20
THD(%)
1.5 1.0
S/N1
0.5 0.0
IF Input Level(dBu) FM Vo1 - IF freq. Vcc=3V fin=10.7MHz Vin=80dBuV fm=1KHz
FM
IF Input Level(dBu)
THD - IF freq. Vcc=3V fin=10.7MHz Vin=80dBuV fm=1KHz
5 0 -5 -10 -15 -20
8 7 6 5
22.5K 75K
Vo1(dB)
THD(%)
4 3 2 1 0
IF Input Frequency Deviation (KHz) FM FM
IF Input Frequency Deviation (KHz)
Vo1,Vlim1 - Vcc fm=1KHz Vin=80dBuV
fin=10.7MHz Af=3/422.5KHz
10 0 -10
Icc - Vcc
14 12
Vo1
10 8 6 4
Vo1,Vlim1 (dB)
Icc(mA)
-20 -30 -40 -50
0 1 2 3 4 5 6 7 8 9 10
Vlim1
2 0
0 1 2 3 4 5 6 7 8 9 10
Vcc (V)
Vcc (V)
12
AM/FM TUNER + MPX
S1A0902X01
MPX THD - Vcc
L+R=135mVrms P=15mVrms 1.6 fm=1KHz
1.2 2
MPX
80 64 48
Sep - Vcc
L+R=135mVrms P=15mVrms fm=1KHz
THD(%)
Sep(dB)
0.8 0.4 0
0 1 2 3 4 5 6 7 8 9 10
32 16 0
0 1 2 3 4 5 6 7 8 9 10
Vcc(V) MPX
1
Vcc(V) MPX
80 64 48
THD - fm
Sep - fm
Vcc=3V L+R=135mVrms P=15mVrms
Vcc=3V L+R=135mVrms 0.8 P=15mVrms 0.6
THD(%)
0.4 0.2 0
0.1 1 3 5 7 9 11 13 15 17 19
Sep(dB)
32 16 0
fm(KHz) MPX THD - fvco
2 1.6 1.2 Vcc=3V L+R=135mVrms P=15mVrms fm=1KHz
80 64 48
fm(KHz) MPX Sep - fvco
Vcc=3V L+R=135mVrms P=15mVrms fm=1KHz
THD(%)
0.8 0.4 0
18.0 18.2 18.4 18.6 18.8 19.0 19.2 19.4 19.6 19.8 20.0
Sep(dB)
32 16 0
18.0 18.2 18.4 18.6 18.8 19.0 19.2 19.4 19.6 19.8 20.0
fvco(KHz)
fvco(KHz)
13
S1A0902X01
AM/FM TUNER + MPX
MPX fvco - Vcc
25 24 23 22 21 20 19 18 17 16 15
0 1 2 3 4 5 6 7 8 9 10
MPX LEDon - Vcc
15 14 13 12 11 10 9 LEDon 8 (mVrms) 7 6 5 4 3 2 1 0
0 1 2 3 4 5 6 7 8 9 10
fvco (KHz)
Vcc(V) MPX LEDoff - Vcc
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 1 2 3 4 5 6 7 8 9 10
Vcc(V)
LEDoff (mVrms)
Vcc(V)
14
TEST CIRCUIT
L- OUT 10F 390 OUT 330pF 4.7K 56K 0.1F 3.3F 0.33F 4.7F 4.7u VCC 0.1F MPX IN LPF DET OUT
AM/FM TUNER + MPX
R-OUT
2.7mH
330p
AM 1K 0.01F 0.01F 13 ROUT QUAD 11 12 10.7MHz 560 560
SW2 SW1
MO
2K FM ST 0.01F
75 24 17 MPX IN LPF2 LPF1 LOUT AM RF IN AFC FM RF OUT RF VCC RF OSC AM OSC DET OUT 23 22 21 20 19 18 16 15 14
0.022F
75
AM-RF IN
S1A0902X01
FM RF IN AGC 5 8 6 7 9 10 VCC GND 1 2 3 4 RF GND FM MUTE MIX OUT AM IF IN FM IF IN TUN LED ST LED
BPF
4.7F SW3 330 455kHz 10.7MHz
75
FM-RF IN
270 FM-IF IN
4.7F
220F
S1A0902X01
15
S1A0902X01
220u
5p 2SK161 470k M FM OSC
0.033F
0.01u
24 17 MPX IN LPF2 LPF1 LOUT FM RF OUT AFC RF VCC RF OSC AM OSC DET OUT
23
22
21
20
19
18
16
15
14
13 ROUT
AM RF IN
S1A0902X01
RF GND AGC 5 8 6 7 9 VCC GND 2 3 4 FM MUTE MIX OUT AM IF IN 10 FM IF IN TUN LED ST LED 11 QUAD 12
FM RF IN
1
0.033F
220F
0.1F
16
VCC 470k POWER 8V
AM/FM TUNER + MPX
AM/FM TUNER + MPX
S1A0902X01
APPLICATION CIRCUIT
VCC
R-OUT
13
12
10.7MHz 10.7MHz SW3 *330
Note 2
CR
L- OUT
14
11
MO
SW1
15
16
AM
FM
9
10
SW2
17
4.7F
8
S1A0902X01
18
1F
19
6
7
20
7pF
21
22
23
24
AM ANT
1
2
3
4
5
B.P.F CF1 (455kHz) CF2 (10.7MHz) CR (10.7MHz) * Note 1
: GFMB7 (KOREA SANGSHIN ELECTRIC CO.Ltd) : SFU455B (MURATA CO Ltd) : SFE10MA5 (MURATA CO.Ltd) : CDA10.7MG(103-A) (MURATA CO. Ltd) SAMPLE NO : Add Register 1kohm pin 23)
FM ANT
BPF
4.7F
455kHz
330pF
CF1
CF2
560
Note1 * 1k
0.01F
ST
560
0.01F
0.01F
3.3k
100k
100k
4.7F
220F
0.1F 0.1F 1F 0.1F 4.7F
17
S1A0902X01
AM/FM TUNER + MPX
COIL SPECIFICATION
L1 FM RF
3 2 1
4 5 6
f (MHz) 100
Qo 1-4 100 2 1/2
TURNS
0.5mm
L2 FM SOC
3 2 1
4 5 6
f (MHz) 100
Qo 1-3 100 2 3/4
TURNS
0.5mm
T1 AM OSC
3 2 1
4 5 6
f (MHz) 796
Qo 1-3 115 13
TURNS 2-3 73
L (uH)
KOREA TOKO 0.08mm
T2 AM IFT (MIX OUT)
3 2 1
4 5 6
Co (pF) 1-3 180
f (MHz) 455
Qo 1-3 120 180
TURNS 4-6 15 KOREA TOKO 0.08mm
18
AM/FM TUNER + MPX
S1A0902X01
L1 FM RF
3 2 1
4 5 6
f (MHz) 100
Qo 1-4 80
TURNS WIRE 15
KWANG SUNG PART NO KST-FR1
2*(1/2)
KST-FR1 L2 FM OSC
3 2 1
4 5 6
f (MHz) 100
Qo 1-4 80
TURNS WIRE 0.5m/m
KWANG SUNG PART NO KST-FO1
2*(3/4)
KST-FO1 T1 AM OSC
3 2 1
4 5 6
f (MHz) 796
TURNS Qo 60 1-3 18 2-3 94
L (uH) 270
KWANG SUNG PART NO KS50-SA0
KS50-SA0
T2 AM IFT (MEX OUT)
3 2 1
4 5 6
Co (pF) 1-3 180
f (MHz) 455
TURNS Qo 40 1-3 182 4-6 15
KWANG SUNG PART NO KS50-SAA
KS50-SAA
19
S1A0902X01
AM/FM TUNER + MPX
NOTES
20

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