K2962M データシートの表示（PDF） - EPCOS AG

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K2962M

SAW Components 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 ˚C

ZS = 50 Ω

ZL = 2 kΩ || 3 pF

K 2962 M

33,90 MHz and 38,90MHz

Insertion attenuation

Reference level for the

following data

α

37,40 MHz

min.

13,0

typ.

max.

14,5

16,0 dB

Relative attenuation

Picture carrier

Color carrier

Sound carrier

Adjacent picture carrier

Adjacent sound carrier

Lower sidelobe

Upper sidelobe

25,00

40,40

αrel

38,90 MHz

33,90 MHz

34,47 MHz

33,40 MHz

32,90 MHz

31,90 MHz

40,40 MHz

... 31,90 MHz

... 45,00 MHz

4,6

5,6

5,8

6,8

0,0

1,0

—

14,8

—

14,9

44,0

56,0

42,0

50,0

40,0

47,0

40,0

47,0

6,6 dB

7,8 dB

2,0 dB

— dB

— dB

— dB

— dB

— dB

— dB

Reflected wave signal suppression

1,2 µs ... 6,0 µs after main pulse

(test pulse 250 ns,

carrier frequency 37,40 MHz)

42,0

54,0

— dB

Feedthrough signal suppression

1,2 µs ... 1,1 µs before main pulse

(test pulse 250 ns,

carrier frequency 37,40 MHz)

50,0

56,0

— dB

Group delay ripple (p-p)

∆τ

Impedance at 37,40 MHz

Input: ZIN = RIN || CIN

Output: ZOUT = ROUT || COUT

Temperature coefficient of frequency

TCf

—

40

— ns

—

1,5 ||15,1 — kΩ || pF

—

1,8 || 3,9

— kΩ || pF

—

–72

— ppm/K

3 Mar 31, 2006

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