TBA120 datasheet(6/9 Pages) PHILIPS

Part #	TBA120

Description	Sound I.F. amplifier/demodulator for TV

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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6 / 9 page

March 1986

6

Philips Semiconductors

Product speciﬁcation

Sound I.F. ampliﬁer/demodulator for TV

TBA120U

Fig.3

The a.f. output voltage at pin 8 as a function

of the resistance values as shown in Fig.4.

Fig.4 Resistor conditions for curves in Fig.3.

(1) Voaf with de-emphasis at ∆f= ± 50 kHz; fm = 1 kHz;

dtot = 1,5%; 0 dB ≅ 770 mV.

(2) Vi: 0 dB ≅ 200 mV at 60 Ω.

Fig.5

The a.f. output voltage at pin 8 as a function

of the input voltage with SFC 5,5 MA at the

input (see Fig.2).

(1) Voaf with de-emphasis at fm = 1 kHz; 0 dB ≅ 770 mV;

curve a:

∆f= ± 50 kHz; dtot = 3%;

curve b:

∆f= ± 25 kHz; dtot = 1%.

(2) Vi: 0 dB ≅ 200 mV at pin 14.

Fig.6

The a.f. output voltage at pin 8 as a function

of the input voltage with broadband input

(60

Ω).

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