Datenblatt-Suchmaschine für elektronische Bauteile |
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FM1236 Datenblatt(PDF) 9 Page - NXP Semiconductors |
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FM1236 Datenblatt(HTML) 9 Page - NXP Semiconductors |
9 / 20 page 1997 Feb 03 9 Philips Components Preliminary specification Desktop video & FM radio module system M, N FM1236 Definitions of test signals (see Fig.2) Aerial input characteristics TEST SIGNAL FREQ. (MHz) AMPLITUDE MODULATION VIDEO AUDIO A0: unmodulated vision carrier 477.25 60 dB µV A1: RF M, N standard signal with video modulation 477.25 60 dB µV (top sync) 100% (rest carrier 12.5%) 2T pulse and bar B1: unmodulated sound carrier M, N system 481.25 −7 dB w.r.t. A0 to A1 B2: FM modulated sound carrier M, N system 481.25 −7 dB w.r.t. A0 to A1 1 kHz; modulation frequency deviation ±25 kHz; 75 µs pre-emphasis B3: unmodulated sound carrier M, N system 483.25 −12 dB w.r.t. A0 to A1 C1: FM modulated sound carrier 98.00 60 dB µV 1 kHz; modulation frequency deviation ±22.5 kHz C2: FM modulated sound carrier 97.70 or 98.30 60 dB µV 1 kHz; modulation frequency deviation ±22.5 kHz C3: FM modulated sound carrier 98.00 60 dB µV 1 kHz; modulation frequency deviation ±75 kHz; 10% pilot carrier (L = R); 75 µs pre-emphasis SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VSWR reflection coefficient referred to 75 Ω impedance (worst case on or between picture and sound carrier at maximum gain): all channels in TV mode − 5 FM (centre of channel) − 4 VPSM surge protection voltage 5 − kV Vant antenna connection disturbance voltage 1 to <54 MHz − 10 dB µV 54 to <300 MHz − 34 dB µV 300 to <1000 MHz − 50 dB µV |
Ähnliche Teilenummer - FM1236 |
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Ähnliche Beschreibung - FM1236 |
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