X6933D datasheet(3/6 Pages) EPCOS

3 / 6 page

Oct 06, 2004

SAW Components

X 6933 D

57,00 MHz

Bandpass Filter

Data Sheet

Characteristics

Reference temperature:

TA = 25 (45) ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 2 kΩ || 3 pF and matching network

min.

typ.

max.

Insertion attenuation

Reference level for the

57,02 (57,00) MHz

14,5

16,0

17,5

following data

Amplitude ripple (p-p)

∆α

54,52 ... 59,52 (54,50 ... 59,50) MHz

—

0,5

—

Relative attenuation

rel

52,77 (52,75) MHz

40,0

46,0

—

53,52 (53,50) MHz

—

27,0

—

54,21 (54,19) MHz

–0,1

0,9

1,9

59,83 (59,81) MHz

0,3

1,3

2,3

60,27 (60,25) MHz

—

13,0

—

62,40 (62,38) MHz

42,0

48,0

—

64,77 (64,75) MHz

43,0

49,0

—

Lower sidelobe

45,02 ... 50,02 (45,00 ... 50,00) MHz

39,0

45,0

—

50,02 ... 52,77 (50,00 ... 52,75) MHz

36,0

40,0

—

Upper sidelobe

62,40 ... 70,02 (62,38 ... 70,00) MHz

38,0

45,0

—

Reflected wave signal suppression

1,5

µs ... 6,0 µs after main pulse

42,0

52,0

—

(test pulse 250 ns,

carrier frequency 57,02 MHz)

Group delay ripple (p-p)

∆τ

54,21 ... 59,83 (54,19 ... 59,81) MHz

—

Impedance at 57,02 MHz

Input:

ZIN

RIN

CIN

—

1,3 ||21,9

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

4,0 || 6,5

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

–18

—

ppm/K

Matching network:

Lp1 = 820 nH

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