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TDA1574

Integrated FM tuner for radio receivers

Philips Electronics 

Philips Semiconductors

Integrated FM tuner for radio receivers

Product specification

TDA1574

Fig.2

Keyed a.g.c. output voltage V18-4 as a

function of r.m.s. input voltage V3-4.

Measured in test circuit Fig.1 at

V12-4 = 0,7 V; I18 = φ.

Fig.3

Keyed a.g.c. output voltage V18-4

as a function of input voltage V12-4.

Measured in test circuit Fig.1 at

V3-4 = 2 V; I18 = φ.

Fig.4

Keyed a.g.c. output current I18 as a

function of r.m.s. input voltage V3-4.

Measured in test circuit Fig.1 at

V12-4 = 0,7 V; V18-4 = 8,5 V.

Fig.5

Keyed a.g.c. output current I18 as a

function of input voltage V12-4.

Measured in test circuit Fig.1 at

V3-4 = 2 V; V18-4 = 8,5 V.

February 1985

8

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