4

Mar 31, 2006

SAW Components

M 3565 M

45,75 MHz

IF Filter for Quasi/Split Sound Applications

Data Sheet

Characteristics of sound channel

Reference temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Insertion attenuation

α

Reference level for the

41,31 (41,25) MHz

9,1

10,6

12,1

dB

following data

Relative attenuation

α

rel

Picture carrier

45,81 (45,75) MHz

38,0

44,0

—

dB

Color carrier

42,23 (42,17) MHz

25,0

35,0

—

dB

Adjacent picture carrier

39,81 (39,75) MHz

38,0

44,0

—

dB

Adjacent sound carrier

47,31 (47,25) MHz

42,0

50,0

—

dB

Lower sidelobe

35,06 ... 39,81 (35,00 ... 39,75) MHz

37,0

42,0

—

dB

Upper sidelobe

47,31 ... 55,06 (47,25 ... 55,00) MHz

37,0

43,0

—

dB

Impedance at 41,31 MHz

Input:

=

||

—

0,7 ||19,5

—

k

Ω || pF

Output:

—

1,2 || 2,7

—k

Ω || pF

Temperature coefficient of frequency

—

–72

—

ppm/K