3

Mar 31, 2006

SAW Components

K 3352 K

38,00 MHz

IF Filter for Quasi/Split Sound Applications

Data Sheet

Characteristics of picture channel

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

36,50 MHz

12,1

13,6

15,1

dB

following data

Relative attenuation

α

rel

Picture carrier

38,00 MHz

5,4

6,4

7,4

dB

Color carrier

33,57 MHz

1,8

2,8

3,8

dB

Sound carrier

31,50 MHz

44,0

52,0

—

dB

32,50 MHz

39,0

54,0

—

dB

Adjacent picture carrier

30,00 MHz

43,0

52,0

—

dB

31,00 MHz

48,0

56,0

—

dB

Adjacent sound carrier

39,50 MHz

43,0

53,0

—

dB

40,00 MHz

44,0

52,0

—

dB

39,26 MHz

39,0

46,0

—

dB

Lower sidelobe

25,00

... 30,00 MHz

40,0

50,0

—

dB

Upper sidelobe

40,00

... 45,00 MHz

38,0

45,0

—

dB

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

52,0

—

dB

(test pulse 250 ns,

carrier frequency 36,50 MHz)

Feedthrough signal suppression

1,2

µs ... 1,1 µs before

main pulse

—

56,0

—

dB

(test pulse 250 ns,

carrier frequency 36,50 MHz)

Group delay predistortion

∆τ

(reference frequency 38,00 MHz)

37,00 MHz

—

30

—

ns

33,57 MHz

—

-22

—

ns

Impedance at 36,50 MHz

Input:

=

||

—

1,0 ||22,0

—

k

Ω || pF

Output:

—

1,7 || 4,3

—k

Ω || pF

Temperature coefficient of frequency

—

-72

—

ppm/K