TDA1599 Просмотр технического описания (PDF) - Philips Electronics

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TDA1599

IF amplifier/demodulator for FM radio receivers

Philips Electronics 

Philips Semiconductors

IF amplifier/demodulator for FM radio

receivers

Product specification

TDA1599

(1) audio signal

(2) spurious AM signal

Fig.7 FM-MUTE-ON: Typical AM suppression as a function of the input signal ViIF (pin 20) with ∆f = ±22.5 kHz;

fm = 1 kHz; AM with fm = 400 Hz; m = 0.3 and 250 to 15000 Hz bandwidth.

20

handbook, full pagewidth

V4

(dB)

0

(1)

−20

(2)

−40

MEH073

−60

−80

10−6

(1) audio signal

(2) spurious AM signal

10−5

10−4

10−3

10−2

10−1 Vi20 (rms) (V) 1

Fig.8 FM-MUTE-OFF: Typical AM suppression as a function of the input signal ViIF (pin 20) with ∆f = ±22.5 kHz;

fm = 1 kHz; AM with fm = 400 Hz; m = 0.3 and 250 to 15000 Hz bandwidth.

May 1994

12

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