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TDA7512F 数据表(PDF) 13 Page - STMicroelectronics |
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TDA7512F 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 45 page ![]() TDA7512F Electrical specifications Doc ID 12668 Rev 2 13/45 V14 Fieldstrength output V46 = 1 VRMS -4.9 - V ΔV14 voltage per decade SMSL = 0 - 1 - V ΔV14 voltage per decade SMSL = 1 - 1.5 - V ΔV14 S-meter offset SL, SMSL=1 -15 15 dB ROUT Output resistance - - 200 - W TK Temp coeff. - - 0 - ppm/K S-meter, weighted fieldstrength V35 Fieldstrength output V46 = 0 VRMS -2.5 - V V35 Fieldstrength output V46 = 1 VRMS -4.9 - V ROUT Output resistance - - 12 - kΩ Adjacent channel gain Gmin Gain minimum ACG=0 - 32 - dB Gmax Gain maximum ACG=1 - 38 - dB Adjacent channel filter fHP -3dB frequency highpass ACF=0 - 100 - kHz fBP Centre frequency ACF=1 - 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 - kΩ Multipath channel gain G min Gain minimum MPG=0 - 12 - dB Gmax Gain maximum MPG=1 - 23 - dB Multipath bandpass filter fLower Centre frequency low MPF=0 - 19 - kHz fUpper Centre frequency up MPF=1 - 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 Table 5. Electrical characteristics (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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