TDA4454 Ver la hoja de datos (PDF) - Temic Semiconductors

Número de pieza

componentes Descripción

Fabricante

TDA4454

Multistandard VIF Amplifier and PLL Demodulator

Temic Semiconductors 

TELEFUNKEN Semiconductors

TDA4454

Test Circuit

1:2

IF

in-

put

10 nF

16

200 kW

+VS

22 mH

10 mF

10 mF

R1 1 kW

4.7 mF

C1

470 nF

15

14

13

12

11

TDA 4454

Standard switch

10 mF

38.9 MHz

10

9

LVCO

CVCO

1

2

3

4

10 kW

Tuner AGC

take over

Tuner AGC

5

6

4.7 mF

IF AGC

Video

7

8

68 nF

93 7648

Application Circuit

VS +12 V

Standard switch

10 mF

22 mH

22 mH

10 mF

1 kW

10 nF

10 nF

470 nF

38.9 MHz

IF

50 W 1

8

SAW filter

16 15 14 13 12 11 10

9

2

7

4.7 nF U 4744

3B

6

10 nF

4

5

SAW driver

1

10 nF

TDA 4454

2

3

4

5

6

7

8

10 kW

4.7 mF 470 W 68 nF

CVCO

LVCO

93 7649

Tuner AGC

take over

Tuner AGC IF AGC Video

Rev. A1: 04.05.1995

Preliminary Information

9 (11)

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