M3565M datasheet(3/8 Pages) EPCOS

3 / 8 page

Mar 31, 2006

SAW Components

M 3565 M

45,75 MHz

IF Filter for Quasi/Split Sound Applications

Data Sheet

Characteristics of picture channel

Reference temperature:

TA = 25 (45) ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 2 kΩ || 3 pF

min.

typ.

max.

Insertion attenuation

Reference level for the

44,06 (44,00) MHz

13,8

15,3

16,8

following data

Relative attenuation

rel

Picture carrier

45,81 (45,75) MHz

5,1

6,1

7,1

Color carrier

42,23 (42,17) MHz

–1,3

–0,3

0,7

42,06 (42,00) MHz

—

–0,2

—

Sound carrier

41,31 (41,25) MHz

24,0

38,0

—

Adjacent picture carrier

39,81 (39,75) MHz

45,0

58,0

—

Adjacent sound carrier

47,31 (47,25) MHz

42,0

53,0

—

Lower sidelobe

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

40,0

45,0

—

Upper sidelobe

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

35,0

39,0

—

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

52,0

—

(test pulse 250 ns,

carrier frequency 44,06 MHz)

Feedthrough signal suppression

1,3

µs ... 1,2 µs before main pulse

50,0

56,0

—

(test pulse 250 ns,

carrier frequency 44,06 MHz)

Group delay ripple (p–p)

∆τ

—50

—

Impedance at 44,06 MHz

Input:

ZIN

RIN

CIN

—

1,1 ||18,7

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

1,9 || 2,8

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

–72

—

ppm/K

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