TDA4439 TEMIC Semiconductors, TDA4439 Datasheet

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... Fast AGC by controlled discharge of the AGC capacitor Standard L mode: AGC acting on peak white level, capacitor discharge control by averaged video signal Standard B/G: AGC acting on the sync. pulse peak D The direction of the AFC curve is selectable indepen- dently from the standard switch Figure 1. Block diagram TDA4439 1 (7) ...

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... TDA4439 Pin Description 10840 Circuit Description The following function units are integrated in this circuit combination for video-IF processing: – Three symmetric, highly stable, gain controlled wide- band amplifier, quasi galvanic coupling eliminates feed back – Video carrier controlled demodulator of high linearity – ...

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... Pin 14 B video Pin 14 V video Pin 14 14 Pin Pin Pin Pin 1– Pin Pin 5 AGC TDA4439 Maximum Unit 60 K/W Typ. Max. Unit 65 mA 5.2 5.6 V 1.9 2.05 V 3.0 3.3 V 2.1 2. 250 mV below Sync. (typ.) 3.6 V 0.5 %/V 1.0 %/V 10 MHz 2 ...

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... TDA4439 Parameters Test Conditions / Pins IF-residual voltage at the f = 38.9 MHz video output in the AGC f = 77.8 MHz area Differential gain error Differential phase error Sound-chroma beat (1.07 Video carrier = 0 dB MHz intermodulation) relat- ing to demodulated auxiliary Colour carrier = –6 dB colour carrier Sound carrier = –24 dB Upsetting factor sync. pulse ...

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... TELEFUNKEN Semiconductors Rev. A1: 14.09.1995 Coil data: Toko Figure 3. Test circuit TDA4439 =6 turns, 0.2 CuL 1 =4 turns, 0.2 CuL 2 5 (7) ...

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... TDA4439 Dimensions in mm Package: DIP 16 6 (7) TELEFUNKEN Semiconductors 94 8877 Rev. A1: 14.09.1995 ...

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... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 Rev. A1: 14.09.1995 unauthorized use. TDA4439 7 (7) ...