M4952M datasheet(3/6 Pages) EPCOS

3 / 6 page

Mar 31, 2006

SAW Components

M 4952 M

45,75 MHz

Vestigial Sideband Filter

Data Sheet

Characteristics

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

43,56 (43,50) MHz

13,3

14,8

16,3

following data

Relative attenuation

rel

Picture carrier

45,81 (45,75) MHz

–1,1

–0,1

0,9

46,56 (46,50) MHz

4,2

5,7

7,2

Color carrier

42,23 (42,17) MHz

–0,9

0,1

1,1

Sound carrier

41,31 (41,25) MHz

–1,4

–0,4

0,6

Adjacent picture carrier

39,81 (39,75) MHz

36,0

53,0

—

Adjacent sound carrier

47,31 (47,25) MHz

30,0

35,0

—

51,31 (51,25) MHz

40,0

54,0

—

Lower sidelobe

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

35,0

41,0

—

Upper sidelobe

47,91 ... 55,06 (47,85 ...55,00) MHz

38,0

45,0

—

Reflected wave signal suppression

1,2

µs ... 6,0 µs after main pulse

42,0

54,0

—

(test pulse 250 ns,

carrier frequency 43,56 MHz)

Feedthrough signal suppression

1,2

µs ... 1,1 µs before main pulse

50,0

56,0

—

(test pulse 250 ns,

carrier frequency 43,56 MHz)

Group delay ripple (p-p)

∆τ

40,56 ... 46,56 (40.50 ... 46.50) MHz

—

Impedance at 43,56 MHz

Input:

ZIN

RIN

CIN

—

1,4 ||12,7

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

1,2 || 4,4

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

-72

—

ppm/K

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