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1997 Feb 27 16
Philips Semiconductors Product specification
IF amplifier/demodulator for FM radio receivers TDA1597
Fig.16 Level output voltage V
3
dependent on input signal V
iIF
(pin 20); typical adjusting range.
(1) V
2
=0V.
(2) I
2
= 0 mA.
(3) V
2
=V
ref
.
10
0
10
−6
10
−5
10
−4
10
−3
10
−2
10
−1
1
MBE517
2
4
6
8
V
i20 (rms)
(V)
(V)
V
3
(1)
(2)
(3)
Fig.17 Total harmonic distortion dependent on detuning at FM-MUTE-ON; ∆f=±75 kHz; f
m
= 1 kHz;
V
iIF
= 10 mV.
handbook, full pagewidth
0.5
0
−80 −60 −40 −20 020406080
MBE518
0.1
0.2
0.3
0.4
detune (kHz)
THD
(%)