4

Sep 01, 2003

SAW Components

K 3565 M

38,90 MHz

IF Filter for Quasi/Split Sound Applications

Data Sheet

Characteristics of sound channel

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

33,40 MHz

15,4

16,9

18,4

dB

following data

Relative attenuation

α

rel

Sound carrier

32,40 MHz

–1,5

–0,5

0,5

dB

Picture carrier

38,90 MHz

30,0

34,0

—

dB

Color carrier

34,47 MHz

22,0

27,0

—

dB

Adjacent picture carrier

30,90 MHz

27,0

32,0

—

dB

31,90 MHz

—

8,0

—

dB

Adjacent sound carrier

40,40 MHz

35,0

41,0

—

dB

41,40 MHz

38,0

46,0

—

dB

Lower sidelobe

25,00

... 30,90 MHz

25,0

31,0

—

dB

Upper sidelobe

38,90

... 45,00 MHz

25,0

30,0

—

dB

Impedance at 33,40 MHz

Output:

—

5,1 || 2,2

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K