4

Dec 08, 2003

SAW Components

X 7255 D

36,00 MHz

Bandpass Filter

Data Sheet

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

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

36,00 MHz

19,4

20,9

22,4

dB

following data

Pass bandwidth

α

—

6,2

—

MHz

α

—

6,4

—

MHz

α

—

7,4

—

MHz

α

—

7,8

—

MHz

Relative attenuation

α

rel

Adjacent picture carrier

31,42 MHz

35,0

42,0

—

dB

Adjacent sound carrier

39,67 MHz

11,0

15,0

—

dB

39,92 MHz

24,0

30,0

—

dB

Lower sidelobe

25,00

... 31,80 MHz

34,0

40,0

—

dB

Upper sidelobe

40,20

... 45,00 MHz

32,0

37,0

—

dB

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

40,0

50,0

—

dB

(test pulse 250 ns,

carrier frequency 36,00 MHz)

Feedthrough signal suppression

1,3

µs ... 1,2 µs before main pulse

—

50,0

—

dB

(test pulse 250 ns,

carrier frequency 36,00 MHz)

Group delay ripple (p-p)

∆τ

32,90

... 39,10 MHz

—

50

—

ns

Impedance at 36,00 MHz

Input:

=

||

—

1,9 ||20,3

—

k

Ω || pF

Output:

—

2,0 || 4,8

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K