Philips TDA1596T Manual do Utilizador descarregar pdf (Página 19)

April 1991 19

Philips Semiconductors Product speciﬁcation

IF ampliﬁer/demodulator for FM radio

receivers

TDA1596T

Fig.16 Typical curves showing AM suppression for an input signal having frequency modulation at ∆f = 22.5 kHz

and f

= 1 kHz, and amplitude modulation of 30% at a frequency of 400 Hz; de-emphasis time = 50 µs and

bandwidth = 250 Hz to 15 kHz.

(b) mode switch at FM, mute-off

(a) mode switch at FM, mute-on

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Philips TDA1596T Manual do Utilizador Página 19