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April 1991 17
Philips Semiconductors Product specification
IF amplifier/demodulator for FM radio
receivers
TDA1596T
Fig.13 Audio signal (∆f = 22.5 kHz; f
m
= 1 kHz) and noise as functions of input voltage at pin 20; measured with
50 µs de-emphasis.
(a) mode switch at FM, mute-on
(b) mode switch at FM, mute-off