3

Mar 31, 2006

SAW Components

G 1962 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

13,6

15,1

16,6

dB

following data

Relative attenuation

α

rel

Picture carrier

38,90 MHz

4,9

5,9

6,9

dB

Color carrier

34,47 MHz

1,3

2,3

3,3

dB

Sound carrier

33,40 MHz

18,9

19,9

20,9

dB

Adjacent picture carrier UHF

30,90 MHz

46,0

52,0

—

dB

31,90 MHz

48,0

54,0

—

dB

31,40 MHz

46,0

52,0

—

dB

32,40 MHz

48,0

56,0

—

dB

40,15 MHz

42,0

49,0

—

dB

Adjacent sound carrier VHF

40,40 MHz

46,0

58,0

—

dB

41,40 MHz

42,0

52,0

—

dB

Lower sidelobe

25,00

... 31,40 MHz

42,0

47,0

—

dB

Upper sidelobe

40,40

... 45,00 MHz

38,0

43,0

—

dB

Reflected wave signal suppression

1,3

µs ... 6,0 µs after main pulse

44,0

54,0

—

dB

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Feedthrough signal suppression

1,3

µs ... 1,2 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

—

–70

—

ns

34,47 MHz

—

30

—

ns

Impedance at 37,40 MHz

Input:

=

||

—

2,2 ||13,3

—

k

Ω || pF

Output:

—

1,4 || 4,7

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K