Philips TDA1596T - Manual (Page 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
m
= 1 kHz, and amplitude modulation of 30% at a frequency of 400 Hz; de-emphasis time = 50
µ
s and
bandwidth = 250 Hz to 15 kHz.
(b) mode switch at FM, mute-off
(a) mode switch at FM, mute-on