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SA1021 Scheda tecnica(PDF) 3 Page - Silan Microelectronics Joint-stock |
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SA1021 Scheda tecnica(HTML) 3 Page - Silan Microelectronics Joint-stock |
3 / 6 page SA1021 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:2.0 2004.07.31 Http: www.silan.com.cn Page 3 of 7 (continued) Characteristics Symbol Test conditions Min. Typ. Max. Unit AM Suppression of Output Voltage AMS Ratio of AM signal (fm=1kHz; m=80% ) to FM signal (fm=1kHz; ∆f=±75kHz) -- 50 -- dB Ripple Rejection RR ∆Vp=100mV, f=1kHz -- 30 -- dB Oscillator Voltage (r.m.s. value) V5-4(rms) -- -- 250 -- mV Variation of Oscillator Frequency with Temperature ∆fosc/∆Tamb Vp= 1V -- 5 -- KHz/ °C S+300 -- 46 -- dB Selectivity S-300 see Fig.9 no modualtion -- 30 -- dB AFC Range ±∆frf -- -- 160 -- kHz Mute Range ±∆frf -- -- 120 -- kHz Audio Bandwidth B ∆Vo=3dB,measured with 50 µs pre-emphasis -- 10 -- kHz AF Output Voltge(r.m.s. value) Vo(rms) RL(pin 14)=100 Ω -- 90 -- mV Max.d.c. load Io(dc) -- -100 -- +100 µA AF Output Max.a.c. load (peak value) Io(ac) THD=10% -- 3 -- mA Fig.2 Supply current as a function of the supply voltage Fig.3 Field strength voltage (V9-3) at Rsource=1k Ω; f=96.75MHz;Vp=3V Fig.4 Mono operation: AF output voltage (Vo) and total harmonic distortion (THD) as functions of input e.m.f. (EMF); Rsource=75 Ω; frf=96MHz; 0dB=90mV. For S+N and noise curves (1) is with muting enabled and (2) is with muting disabled; signal ∆f=±22.5kHz and fm=1kHz. For THD curve, ∆f=±75kHz and fm=1kHz. |
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