J3353K datasheet(3/8 Pages) EPCOS

3 / 8 page

Mar 31, 2006

SAW Components

J 3353 K

38,90 MHz

IF Filter for Quasi/Split Sound Applications

Data Sheet

Characteristics of picture channel

Reference temperature:

TA = 25 ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 2 kΩ || 3 pF

min.

typ.

max.

Insertion attenuation

Reference level for the

37,40 MHz

12,9

14,4

15,9

following data

Relative attenuation

rel

Picture carrier

38,90 MHz

5,0

6,0

7,0

Color carrier

34,47 MHz

–0,6

0,4

1,4

Sound carrier

32,90 MHz

40,0

52,0

—

32,35 MHz

44,0

56,0

—

Adjacent picture carrier

30,90 MHz

50,0

62,0

—

30,40 MHz

48,0

60,0

—

31,40 MHz

48,0

60,0

—

Adjacent sound carrier

40,90 MHz

45,0

55,0

—

40,35 MHz

43,0

53,0

—

Lower sidelobe

25,00

... 30,90 MHz

46,0

54,0

—

Upper sidelobe

40,90

... 45,00 MHz

39,0

45,0

—

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

55,0

—

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Feedthrough signal suppression

1,2

µs ... 1,1 µs before main pulse

50,0

56,0

—

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Group delay predistortion

∆τ

(reference frequency 38,90 MHz)

38,90 MHz

—

34,47 MHz

—

–50

—

Impedance at 37,40 MHz

Input:

ZIN

RIN

CIN

—

1,2 || 24,0

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

2,5 || 3,6

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

–72

—

ppm/K

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