S1A2298A01 Samsung Semiconductor, Inc., S1A2298A01 Datasheet
S1A2298A01
Related parts for S1A2298A01
S1A2298A01 Summary of contents
Page 1
... AM/FM TUNER + MPX INTRODUCTION The S1A2298A01 is a monolithic integrated circuit which con- sists AMP, FM QUAD DET AMP, AM DET, MPX block and Counter output pin for a DTS (Digital Tuning System) set designed for use in portable radio cassette recorders. FEATURES • ...
Page 2
... AM AMOSC V AM AGC CC OSC OUT LOWOUT IN FM MPX DET AM BYPASS QUAD INPUT OUT S1A2298A01 AMOSC VCC AGC LOWCUT OUTPUT AM/FM TUNER + MPX LPF1 LPF2 VCO L-OUT R-OUT PHA PIT PIL VOC DECODE ...
Page 3
... Low Pass Filter 2 Pin O Low Pass Filter 1 Pin I MPX Input Pin O AM/FM Detector Output Pin O Quadrature Detector Pin Input Pin AM/FM Bypass Pin O AM Mixer Pin Input Pin Symbol Value 1200 OPR T 55 STG S1A2298A01 Function Unit V mW +75 C +150 C 3 ...
Page 4
... S1A2298A01 ELECTRICAL CHARACTERISTICS ( VCC = 3 V, unless otherwise specified) • FM 10.7MHz 1kHz 22.5kHz, SW1 = 10k C • AM 1MHz 1kHz, MOD = 30%, SW1 = 10k C • MPX 1kHz 90%, Pilot = 10%, V Characteristic Quiescent Circuit Current -3 dB Limiting Sensitivity Detector Output Voltage Signal to Noise Ratio ...
Page 5
... Test Conditions CS1 Stereo 100Hz CS2 Stereo 1kHz CS3 Stereo 10kHz THD Stereo THD Mono V Stereo, THD = 3% I(MAX) G Mono V CB Mono S/N Mono V Pilot L(on) HY Pilot CR(H) Pilot CR(L) Pilot S1A2298A01 Min. Typ. Max. Unit 0.2 1.0 % 0.2 1.0 % 250 350 ...
Page 6
... S1A2298A01 TEST CIRCUIT 6 12k 8 CSB456F1 C-F SW7 F 0.082 F 0.082 22k F 0.068 STOP SW6 VCO 330pF 1k 10.7MHz * F 0.022 AM/FM TUNER + MPX F 220 F 0.022 100k 100k 3k KSC945 3k KSC945 100k 100k F 0.01 F 100 F 0.022 F 0.01 51pF 2.2mH 100k F 0.022 ...
Page 7
... KSI-AO5 AM IFT Vcc Pin 3 Vcc KSI-AA1 (uH) (pF) 1-2 288 13 75 VCC 3 2 PIN23 (kHz) 4-6 T1 796 115 32 T2 455 120 Turns 2-3 1-3 1-4 4-6 73 180 T2 4 C.F VCC 6 KWANG SUNG Turns C.L PART NO 1-2 2-3 288 KSI-AO5 4-6 1-3 180 KSI-AA1 pF 14 146 S1A2298A01 Write ( 0.08 15 0.06 7 ...
Page 8
... S1A2298A01 APPLICATION INFORMATION 1) IF COUNT OUTPUT IF Count Output is determined by the Pin 8 voltage. Tuning LED swiching Count output occurs at pin 9. The output impedance is 1.5k . V8; High (TU-LED ON) : Output Low ( TU-LED OFF output 2) IF Switch IF sensitivity is determined by the resistors of SW1 (0 When SW2 the count output frequency is 10.7 MHz. ...
Page 9
... AM/FM TUNER + MPX APPLICATION CIRCUIT C-F 450kHz C-F 10.7MHz FM IF- ANT IF 1/8 IF MONO 0.022 F 0 S1A2298A01 0.01 F 4.7 F 0.022 F OSC OUT 0. 0.01 F 560 560 IF IF GND RFO OUT * CDA 10.7MG 65-A (MURATA) S1A2298A01 R-OUT L-OUT 9 ...
Page 10
... S1A2298A01 APPLICATION CIRCUIT C22 C23 C16 F 0.082 4.7k F 0.047 R5 C15 C5 F 0.068 330pF C4 F 0.022 C13 10 F 0.018 F 0.018 560 R16 560 R15 F 0.01 C34 /50V F 4.7 C32 C33 F 0.022 F 0.01 C31 100k R14 20pF C42 100k F 0.047 R17 C43 F 0.022 C36 F 0.047 4.7k H 100 C7 /50V ...