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7403 Folha de dados(PDF) 11 Page - STMicroelectronics |
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7403 Folha de dados(HTML) 11 Page - STMicroelectronics |
11 / 26 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit STEREOBLEND and HIGHCUT CONTROL VHCHmin Min.Voltage for NO Highcut 42 %REF5V VHCHmax Max. Voltage for NO Highcut 66 %REF5V VHCHstep Step Resolution 8.4 %REF5V VHCLmin Min. Voltage for FULL High cut 17 %VHCH VHCLmax Max. Voltage for FULL High cut 33 %VHCH Carrier and harmonic suppression at the output α19 Pilot Signal f = 19KHz 50 dB α38 Subcarrier f = 38KHz 75 dB α57 Subcarrier f = 57KHz 62 dB α76 Subcarrier f = 76KHz 90 dB Intermodulation (Note1) α2 Pilot Signal fmod = 10KHz; fspur = 1KHz; 65 dB α3fmod = 13KHz; fspur = 1KHz; 75 dB Traffic Radio (Note 2) α57 Signal f = 57KHz 70 dB SCA - Subsidiary Communications Authorization (Note 3) α67 Signal f = 67KHz 75 dB ACI - Adjacent Channel Interference (Note 4) α114 Signal f = 114KHz 95 dB α190 Signal f = 190KHz 84 dB Notes to the characteristics: 1. Intermodulation Suppression: measured with: 91% pilot signal; fm = 10kHz or 13kHz. 2. Traffic Radio (V.F.) Suppression: measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% subcarrier (f = 57kHz, fm = 23Hz AM, m = 60%) 3. SCA ( Subsidiary Communications Authorization ) measured with: 81% mono signal; 9% pilot signal; fm = 1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ). 4. ACI ( Adjacent Channel Interference ) measured with: 90% mono signal; 9% pilot signal; fm =1kHz; 1% spurious signal ( fs = 110kHz or 186kHz, unmodulated). TDA7403 11/26 |
Nº de peça semelhante - 7403 |
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Descrição semelhante - 7403 |
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