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TDA7511 Datasheet(PDF) 8 Page - STMicroelectronics |
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TDA7511 Datasheet(HTML) 8 Page - STMicroelectronics |
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8 / 41 page ![]() TDA7511 8/41 ∆V14 S-meter shift voltage SL -1.8 1.8 V TK Temp coeff. 0 ppm/K S-meter, Weighted Fieldstrength V35 Fieldstrength output V46 = 0VRMS 2.5 V V35 Fieldstrength output V46 = 1VRMS 4.9 V ROUT Output resistance 12 k Ω Adjacent Channel Gain Amin Gain minimum ACG 32 dB Amax Gain maximum ACG 38 dB Adjacent Channel Filter fHP -3dB frequency highpass ACF 100 kHz fBP Centre frequency ACF 100 kHz f-20dB Attenuation 20dB 70 kHz Adjacent Channel Output V13 Output voltage low 0.1 V V13 Output voltage high 4.9 V ROUT Output resistance 4 k Ω Multipath Channel Gain Amin Gain minimum MPG 12 dB Amax Gain maximum MPG 23 dB Multipath Bandpass Filter fLower Centre frequency low MPF 19 kHz fUpper Centre frequency up MPF 31 kHz Q Quality factor 5 10 Multipath Output V34 Output voltage low 0.1 V V34 Output voltage high 4.9 V ROUT Output resistance 2.5 k Ω ISS (intelligent Selectivity System) Filter 450kHz fcentre Centre frequency fREF_intern = 450kHz 450 kHz BW 3dB Bandwidth, -3dB ISS80 = 1 80 kHz BW 20dB Bandwidth, -20dB ISS80 = 1 150 kHz ELECTRICAL CHARACTERISTCS (continued) Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = 8.5V, fRF = 98MHz, dev. = 40kHz, fMOD =1kHz, fIF1 = 10.7MHz, fIF2 = 450KHz, fXtal = 10.25MHz, in test or application circuit, unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit |
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