S1A0427B01 Samsung Semiconductor, Inc., S1A0427B01 Datasheet
S1A0427B01
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S1A0427B01 Summary of contents
Page 1
... AM/FM 1 CHIP RADIO INTRODUCTION The S1A0427B01 is a monolithic integrated circuit designed for portable AM/FM radios or AM/FM clock radios. FUNCTIONS • & MIX • AM AGC • AM/FM DET • Regulator FEATURE • Portable AM/FM 1-chip radio • Wide operating supply voltage range: V (Depending on the internal regulator tolerance) • ...
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... S1A0427B01 BLOCK DIAGRAM AM IF OUTPUT 4 MIX OSC 5 AM OSC ABSOLUTE MAXIMUM RATINGS ( Character istic Supply Voltage Power Dissipation Supply Current Thermal Resistance Junction to Ambient Operating Temperature Storage Temperature 2 RF AM/FM IF AFC AGC GND IF INPUT BYPASS BYPASS AM/ F ...
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... 50mW 1kHz, THD = 10 Min 42mA THD f = 1kHz 1kHz Min. Typ 2 1.4 I 1.5 3 0.28 0.5 Min R = 50mW 41 S1A0427B01 Max. Unit 3 14 ...
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... C3 R1 220pF 50 C2 0.022 INPUT 4. C15 10pF C13 470 S1A0427B01 51pF 0.022 AM/FM 1 CHIP RADIO C11 ...
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... Poor low frequency response 470 F Poor AC Hum 10pF Narrow IF bandwidth 0.047 F Removal will cause fm oscillation 0.047 F Charging not recommended S1A0427B01 Influence Greater Than Typ AGC Distortion increase, High gain Sharp IF AMP curve High gain, but noise increase High IF Gain, S/N ratio degrade ...
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... S1A0427B01 FUNCTION DESCRIPTION (PIN 16 DC VOLTAGE Gain Grouping Table (1) Test Condition (Pin 13). CC Pin 8 resistance (AM) = 47k Pin 16 resistance (FM) = 1.2k (2) Grouping Table V16(AM) V16(FM) 2.4 2.85V 2. IF gain is determined by DC voltage appeared at IC Pin 16. The DC voltage at Pin 16 to the following values ...
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... NOTES : 1. SW1 : AM Position Marking : Value of C and R have to be selected for good conditions 1000pF 220 F SP 100 F 100 F 0.1 F 2.2 0.002 F 100 F 50k V R 22k 0.022 F 0. BAR ANT AM L2 SW1A FM 0.047 F GND S1A0427B01 OSC 8.2pF ...
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... S1A0427B01 COIL SPECIFICATION 1 Coil No 10.7MHz T2 10.7MHz 70 min T3 455kHz 80 min (T6) T4 10.7MHz 45 min T5 10.7MHz 25 min AM Local L1 90 min Oscillator L2 AM ANT L3 FM ANT L4 Trap FM L5 Oscillator 8 Q Turns O 120 1-3 8T 1-3 11T 4-6 2T 1-2 91T 2-3 55T 4-6 6T 1-3 11T 1-3 7T 4-6 7T 1-3 86T 4-6 7T 1-2 138T (L = 560 H ) 200 3-4 9T 0.8mm 5T UEW 0.5T TAP ...
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... ANT Turns C.L. 1-3 8T 150pF 1-3 11T 75pF 4-6 2T 1-2 91T 2-3 55T 180pF 4-6 6T 1-3 11T 82pF 1-3 7T 180pF 4-6 7T 1-3 86T 4-6 7T 1-2 138T L = 560uH 4-6 9T S1A0427B01 Connections (KWANG SUNG PART NO KSI-FD5 KSI-FA2 KSI-AA4 KSI-FD4 KSI-FA4 KSI-AO4 core ...
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... S1A0427B01 Coil No ANT L4 Trap FM L5 Oscillator 10 Turns C.L. 5T 0.8mm¢ UEW 0.5T 0.32mm¢ 10T UEW 0.8mm¢ 4T UEW AM/FM 1 CHIP RADIO Connections (KWANG SUNG PART NO KSS-SP5 KSS-SP4 KSS-SP3 ...
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... AM/FM 1 CHIP RADIO APPLICATION CIRCUIT 2 S1A0427B01 470 40pF 20pF F 0.01 F 0.005 100k 330 30pF 11 ...
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... S1A0427B01 COIL SPECIFICATION 2 Coil No 10.7MHz 90 T2 10.7MHz 60 T3 455kHz 100 T4 10.7MHz 45 (Min) T5 10.7MHz 25 (Min) T6 455kHz 100 L6 796kHz 100 12 Turns C.L. 1-3 11 82pF 4-6 3 1-3 5 390pF 4-6 2 1-2 127 2-3 28 180pF 4 1-3 7 180pF 4-6 7 1-2 50 390pF 2-3 50 1-3 100 360 H 4-6 10 AM/FM 1 CHIP RADIO Connections ...
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... L6 796kHz 100 Turns C.L. Connections (KWANG SUNG PART NO) 1-3 4-6 82pF 11 3 1-3 4-6 390pF 5 2 1-2 127 2-3 28 180pF 4-6 10 1-3 11 82pF 1-3 7 180pF 4-6 7 1-2 50 390pF 2-3 50 1-3 100 360uH 4-6 10 S1A0427B01 KSI-FA3 KSI-FA5 KSI-AA3 KSI-FD4 KSI-FA4 KSI-AA2 ...
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... S1A0427B01 14 NOTES AM/FM 1 CHIP RADIO ...