Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA9800T Datenblatt(PDF) 11 Page - NXP Semiconductors |
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TDA9800T Datenblatt(HTML) 11 Page - NXP Semiconductors |
11 / 23 page July 1994 11 Philips Semiconductors Preliminary specification VIF-PLL demodulator and FM-PLL detector TDA9800 FM sound limiter amplifier (pin 11) note 17 Vi FM input signal (RMS value, pin 11) CCIR468-4 for S/N = 40 dB see Fig.11 − 200 300 µV for AM suppression α AM = 40 dB AM: f = 1 kHz; m = 0.3 − 1 − mV maximum input signal handling (RMS value) 200 −− mV α AM AM suppression see Fig.10; AM: f = 1 kHz; m = 0.3 46 50 − dB R11 input resistance 480 600 720 Ω B −3 dB IF frequency response of sound IF lower and upper cut-off frequency 3.5 − 10 MHz V11 DC voltage 2.3 2.6 2.9 V FM-PLL sound demodulator and AF output (pin 9) note 17 fi FM catching range of PLL 4 − 7 MHz holding range of PLL 3.5 − 8 MHz tacqu acquisition time −− 4 µs Vo AF AF output signal (RMS value, pin 9) ∆fAF = ±27 kHz; see Fig.11 280 350 420 mV maximum output signal handling THD < 1.5% 0.8 −− V ∆Vo temperature drift of AF output signal − 3710-3 dB/K ∆f AF frequency deviation THD < 1.5%; note 18 −−±50 kHz V10 DC voltage at decoupling capacitor voltage dependent on VCO frequency; note 19 1.2 − 2.2 V R9 output resistance − 100 −Ω RL load resistance (pin 9) 2.2 −− k Ω V9 DC voltage 1.6 2.0 2.4 V B −3 dB audio frequency bandwidth 95 120 − kHz THD total harmonic distortion without ceramic filter − 0.1 0.5 % S/N (W) signal-to-noise ratio, weighted CCIR468-4; see Fig.11 50 55 − dB VSC residual sound carrier and harmonics (RMS value) −− 75 mV RR ripple rejection on pin 9 see Fig.9 26 30 − dB Measurements from IF input to audio output (pin 9) 560 Ω between pins 13 and 11; note 20 S/N (W) weighted signal-to-noise ratio 27 kHz FM deviation; CCIR468-4; 50 µs (75 µs at standard M) de-emphasis; with offset alignment on pin 4 6 kHz sinusoidal waveform black-to-white 39 46 − dB black picture sync only 40 48 − dB white picture 39 46 − dB colour bar 39 46 − dB SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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