G1961M datasheet(3/6 Pages) EPCOS

3 / 6 page

Dec 02, 1999

SAW Components

G 1961 M

38,90 MHz

IF Filter for Intercarrier Applications

Data Sheet

Characteristics

Reference temperature:

TA = 25 ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 2 kΩ || 3 pF

min.

typ.

max.

Insertion attenuation

Reference level for the

37,40 MHz

13,6

15,1

16,6

following data

Relative attenuation

rel

Picture carrier

38,90 MHz

5,6

6,6

7,6

Color carrier

34,47 MHz

2,3

3,3

4,3

Sound carrier

33,40 MHz

19,3

20,3

21,3

Adjacent picture carrier UHF

30,90 MHz

46,0

58,0

—

Adjacent picture carrier VHF

31,90 MHz

48,0

64,0

—

32,40 MHz

50,0

65,0

—

40,15 MHz

40,0

49,0

—

Adjacent sound carrier VHF

40,40 MHz

46,0

59,0

—

Adjacent sound carrier UHF

41,40 MHz

42,0

53,0

—

Lower sidelobe

25,00

... 32,40 MHz

37,0

46,0

—

Upper sidelobe

40,40

... 45,00 MHz

36,0

44,0

—

Reflected wave signal suppression

1,3

µs ... 6,0 µs after main pulse

44,0

54,0

—

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Feedthrough signal suppression

1,2

µs ... 1,1 µs before main pulse

50,0

56,0

—

(test pulse 250 ns,

carrier frequency 37,40 MHz)

Group delay predistortion

∆τ

(reference frequency 38,90 MHz)

36,90 MHz

—

–90

—

34,47 MHz

—

Impedance at 37,40 MHz

Input:

ZIN

RIN

CIN

—

1,7 ||13,0

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

1,4 || 4,6

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

–72

—

ppm/K

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