Philips TDA1597 1997 Feb 27 12

1997 Feb 27 12
Philips Semiconductors Product specification
IF amplifier/demodulator for FM radio receivers TDA1597
0
10−610−510−410−310−210−11
MBE520
−20
−40
−60
−80
−100
Vi20 (rms) (V)
V4
(dB)
(1)
(2)
Fig.7 FM-MUTE-ON: Typical AM suppression as a function of the input signal ViIF (pin20) with ∆f=±22.5 kHz;
fm= 1kHz; AM with fm=400 Hz; m= 0.3 and 250to 15000 Hz bandwidth.
(1) Audio signal.
(2) Spurious AM signal.
Fig.8 FM-MUTE-OFF: Typical AM suppression as a function of the input signal ViIF (pin20) with ∆f=±22.5kHz;
fm= 1kHz; AM with fm=400 Hz; m= 0.3 and 250to 15000 Hz bandwidth.
(1) Audio signal.
(2) Spurious AM signal.
handbook, full pagewidth
20
V4
(dB)
−20
−40
−60
−80
0
MEH073
10−610−510−410−310−210−11
(1)
(2)
Vi20 (rms) (V)