3

Dec 08, 2003

SAW Components

X 7253 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

19,5

21,0

22,5

dB

following data

Amplitude ripple

∆α

32,45

... 39,55 MHz

—

1,9

—

dB

Pass bandwidth

α

—

7,7

—

MHz

α

—

8,3

—

MHz

Relative attenuation

α

rel

Adjacent picture carrier

30,75 MHz

40,0

48,0

—

dB

Adjacent sound carrier

40,25 MHz

18,0

28,0

—

dB

40,75 MHz

31,0

39,0

—

dB

41,25 MHz

34,0

41,0

—

dB

31,80 MHz

11,0

17,0

—

dB

Lower sidelobe

25,00

... 30,75 MHz

34,0

39,0

—

dB

Upper sidelobe

41,50

... 45,00 MHz

34,0

40,0

—

dB

Reflected wave signal suppression

1,3

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

32,20

... 39,80 MHz

—

60

—

ns

Impedance at 36,00 MHz

Input:

=

||

—

1,5 ||18,3

—

k

Ω || pF

Output:

—

2,3 || 4,6

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K