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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDA9873HS датащи(PDF) 10 Page - NXP Semiconductors |
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TDA9873HS датащи(HTML) 10 Page - NXP Semiconductors |
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10 / 40 page  2000 Apr 04 10 Philips Semiconductors Product specification Multistandard dual carrier stereo sound decoder TDA9873H CHARACTERISTICS VCC =5V; Tamb =25 °C; B/G standard (fSC1 = 5.5 MHz, fSC2 = 5.742 MHz, SC1/SC2=7dB, ∆fAF = 27 kHz, fmod = 1 kHz, L = R, stereo mode); input level for first sound carrier Vi(FM)(rms) =50mV; fref = 4.000 MHz; measured in application circuits of Figs 7 and 8; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin 28) VCC supply voltage 4.5 5 6.6 V ICC supply current 40 60 75 mA FM-PLL demodulator (pin 25); note 1 Vi(FM)(rms) FM-PLL input voltage (RMS value) sensitivity for pull-in first sound carrier −− 6mV second sound carrier −− 1mV level for gain controlled operation; note 2 first sound carrier 6 − 150 mV second sound carrier 1 − 100 mV Vi(vid)(p-p) allowable interference video level (peak-to-peak value) see Fig.3 Vi(FM1)(rms) =6mV −− 160 mV Vi(FM1)(rms) = 150 mV −− 2V Ri input resistance 4 5 6 k Ω fi(FM) FM-PLL operating frequencies (switchable) first sound carrier M standard − 4.5 − MHz B/G standard − 5.5 − MHz I standard − 6.0 − MHz D/K standard − 6.5 − MHz second sound carrier M standard − 4.72 − MHz B/G standard − 5.74 − MHz D/K (1) standard − 6.26 − MHz D/K (2) standard − 6.74 − MHz D/K (3) standard − 5.74 − MHz ∆f FM frequency windows of digital acquisition help narrow; note 3 −±225 − kHz wide; note 3 −±450 − kHz ∆fAF frequency deviation THD < 1.5%; normal gain −− ±62 kHz THD < 1.5%; reduced gain −− ±124 kHz ∆f AF(ident) frequency deviation for safe identification VCC = 5 V; stereo: 1 kHz L, 400 Hz R −− ±125 kHz α AM AM suppression AM: fmod = 1 kHz; m = 0.3 referenced to 27 kHz FM deviation 40 46 − dB KO(FM) VCO steepness ∆fFM/∆VLF1,2 note 4 − 3.3 − MHz/V KD(FM) phase detector steepness ∆ILF1,2/∆ϕ(VFM) note 4 − 4 −µA/rad |
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