3

Mar 31, 2006

SAW Components

K 2966 M

38,90 MHz

IF Filter for Intercarrier Applications

Data Sheet

Characteristics

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

37,40 MHz

15,7

17,2

18,7

dB

following data

Relative attenuation

α

rel

Picture carrier

38,90 MHz

4,6

5,6

6,6

dB

Color carrier

34,47 MHz

2,1

3,1

4,1

dB

Sound carrier

32,40 MHz

18,9

20,4

21,9

dB

33,40 MHz

17,8

19,3

—

dB

Adjacent picture carrier

30,90 MHz

48,0

62,0

—

dB

31,90 MHz

40,0

58,0

—

dB

Adjacent sound carrier

40,40 MHz

45,0

58,0

—

dB

41,40 MHz

44,0

58,0

—

dB

Lower sidelobe

25,00

... 30,90 MHz

42,0

48,0

—

dB

Upper sidelobe

40,40

... 45,00 MHz

36,0

42,0

—

dB

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

54,0

—

dB

(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

—

dB

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Group delay predistortion

∆τ

(reference frequency 38,90 MHz)

36,90 MHz

—

–55

—

ns

34,47 MHz

—

45

—

ns

Impedance at 37,40 MHz

Input:

=

||

—

2,2 ||11,9

—

k

Ω || pF

Output:

—

3,3 || 2,8

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K