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TDA7407 データシート(PDF) 8 Page - STMicroelectronics |
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TDA7407 データシート(HTML) 8 Page - STMicroelectronics |
8 / 30 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit Carrier and harmonic suppression at the output α19 Pilot Signal f = 19KHz 40 50 dB α38 Subcarrier f = 38KHz 75 dB α57 Subcarrier f = 57KHz 62 dB α76 Subcarrier f = 76KHz 90 dB Intermodulation (Note 1) α2fmod = 10KHz, fspur = 1KHz 65 dB α3fmod = 13KHz, fspur = 1KHz 75 dB Traffic Ratio (Note 2) α57 Signal f = 57KHz 70 dB SCA - Subsidiary Communications Authoorization (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: α2 = VO(signal)(at1KHz) VO(spurious)(at1KHz) ; fs = (2 x 10KHz) − 19KHz α3 = VO(signal)(at1KHz) VO(spurious)(at1KHz) ; fs = (3 x 13KHz) − 38KHz 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%) α57 (V.W>F. ) = VO(signal)(at1KHz) VO(spurious)(at1KHz +⁄− 23KHz) 3. SCA ( Subsidiary Communications Authorization ) measured with: 81% mono signal; 9% pilot signal; fm = 1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ). α67 = VO(signal)(at1KHz) VO(spurious)(at9KHz) ; FS = (2 x 38KHz) −67KHz 4. ACI ( Adjacent Channel Interference ): α114 = VO(signal)(at1KHz) VO(spurious)(at4KHz) ; FS = 110KHz − (3 x 38KHz) α190 = VO(signal)(at1KHz) VO(spurious)(at4KHz) ; FS = 186KHz − (5 x 38KHz) measured with: 90% mono signal; 9% pilot signal; fm =1kHz; 1% spurious signal ( fs = 110kHz or 186kHz, unmodulated). TDA7407 8/30 |
同様の部品番号 - TDA7407 |
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同様の説明 - TDA7407 |
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