3

Dec 08, 2003

SAW Components

X 7255 D

36,00 MHz

Bandpass Filter

Data Sheet

Characteristics of channel 1 (switching pin 2 connected to ground)

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

36,00 MHz

18,9

20,4

21,9

dB

following data

Pass bandwidth

α

—

7,1

—

MHz

α

—

7,4

—

MHz

α

—

8,4

—

MHz

α

—

8,8

—

MHz

Relative attenuation

α

rel

Adjacent picture carrier

30,75 MHz

36,0

41,0

—

dB

Adjacent sound carrier

40,25 MHz

14,0

18,0

—

dB

40,75 MHz

36,0

50,0

—

dB

41,00 MHz

32,0

44,0

—

dB

41,25 MHz

36,0

51,0

—

dB

Lower sidelobe

25,00

... 31,30 MHz

32,0

37,0

—

dB

Upper sidelobe

40,70

... 45,00 MHz

33,0

38,0

—

dB

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

40,0

48,0

—

dB

(test pulse 250 ns,

carrier frequency 36,00 MHz)

Feedthrough signal suppression

1,3

µs ... 1,2 µs before main pulse

—

56,0

—

dB

(test pulse 250 ns,

carrier frequency 36,00 MHz)

Group delay ripple (p-p)

∆τ

32,40

... 39,60 MHz

—

50

—

ns

Impedance at 36,00 MHz

Input:

=

||

—

1,7 ||18,1

—

k

Ω || pF

Output:

—

2,0 || 4,8

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K