K2966M datasheet(3/6 Pages) EPCOS

3 / 6 page

Mar 31, 2006

SAW Components

K 2966 M

38,90 MHz

IF Filter for Intercarrier Applications

Data Sheet

Characteristics

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

15,7

17,2

18,7

following data

Relative attenuation

rel

Picture carrier

38,90 MHz

4,6

5,6

6,6

Color carrier

34,47 MHz

2,1

3,1

4,1

Sound carrier

32,40 MHz

18,9

20,4

21,9

33,40 MHz

17,8

19,3

—

Adjacent picture carrier

30,90 MHz

48,0

62,0

—

31,90 MHz

40,0

58,0

—

Adjacent sound carrier

40,40 MHz

45,0

58,0

—

41,40 MHz

44,0

58,0

—

Lower sidelobe

25,00

... 30,90 MHz

42,0

48,0

—

Upper sidelobe

40,40

... 45,00 MHz

36,0

42,0

—

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

54,0

—

(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)

36,90 MHz

—

–55

—

34,47 MHz

—

Impedance at 37,40 MHz

Input:

ZIN

RIN

CIN

—

2,2 ||11,9

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

3,3 || 2,8

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

–72

—

ppm/K

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