B39458-M1967-M100 データシートの表示（PDF） - EPCOS AG

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B39458-M1967-M100

IF Filter for Intercarrier Applications

EPCOS AG 

SAW Components

IF Filter for Intercarrier Applications

Data Sheet

Characteristics

Reference temperature:

Terminating source impedance:

Terminating load impedance:

TA = 25 (45) ˚C

ZS = 50 Ω

ZL = 2 kΩ || 3 pF

Insertion attenuation

Reference level for the

following data

α

44,06 (44,00) MHz

min.

11,1

M 1967 M

45,75 MHz

typ.

max.

12,6

14,1 dB

Relative attenuation

Picture carrier

αrel

45,81 (45,75) MHz

Color carrier

42,23 (42,17) MHz

41,98 (41,92) MHz

41,73 (41,67) MHz

Sound carrier

41,31 (41,25) MHz

Adjacent picture carrier

39,81 (39,75) MHz

Adjacent sound carrier

47,31 (47,25) MHz

Lower sidelobe

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

Upper sidelobe

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

5,0

6,0

7,0 dB

0,0

1,0

2,0 dB

—

3,0

— dB

—

7,4

— dB

17,6

19,1

20,6 dB

50,0

62,0

— dB

46,0

56,0

— dB

41,0

46,0

— dB

42,0

47,0

— dB

Reflected wave signal suppression

1,1 µs ... 6,0 µs after main pulse

(test pulse 250 ns,

carrier frequency 44,06 MHz)

42,0

52,0

— dB

Feedthrough signal suppression

1,2 µs ... 1,1 µs before main pulse

(test pulse 250 ns,

carrier frequency 44,06 MHz)

50,0

56,0

— dB

Group delay ripple (p-p)

∆τ

Impedance at 44,06 MHz

Input: ZIN = RIN || CIN

Output: ZOUT = ROUT || COUT

Temperature coefficient of frequency

TCf

—

40

— ns

—

0,9 || 14,9 — kΩ || pF

—

0,9 || 4,1

— kΩ || pF

—

–72

— ppm/K

3 May 08, 2001

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