1999 May 07

21

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF and

AM demodulator

TDA9810

Fig.11 Typical total harmonic distortion as a function of audio frequency at AM standard (m = 54%).

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0

1.25

MED689

10

1

0.25

0.5

0.75

1.0

THD

(%)

f (kHz)

Fig.12 Ripple rejection condition.

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TDA9810

VP = 5 V

t

VP = 5 V

100 mV

ripple

(f

= 70 Hz)

MHA717