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TDA7040

Low voltage PLL stereo decoder

Philips Electronics 

Philips Semiconductors

Low voltage PLL stereo decoder

Product specification

TDA7040T

PARAMETER

ACI (Adjacent channel interference)

Vi(rms) L and R 120 mV;

Vp(rms) = 12 mV; f = 1 kHz;

VACI(RMS) = 1,3 mV; f = 114 kHz

VACI(RMS) = 1,3 mV; f = 190 kHz

Traffic radio (V.W.F.) suppression

α57 (VWF) = -V----o---(--s---p---uV---r-oi--o--(-u-s--si--g)---n-(-a-a--l-)-t---1(---a--k-t--H-1---z---k---H±----z-2--)-3-----H-----z-----)-

measured with: 91% stereo signal; fm = 1 kHz;

9% pilot signal; 5% traffic subcarrier

(f = 57 kHz, fm = 23 Hz AM, m = 60%)

SYMBOL

MIN.

TYP.

MAX.

UNIT

α114

−

90

−

dB

α119

−

85

−

dB

α57(VWF)

−

75

−

dB

September 1986

Fig.2 Test circuit.

5

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