B800 datasheet(3/6 Pages) EPCOS

3 / 6 page

Nov 20, 2002

SAW Components

B 800

480,00 MHz

Satellite Receiver Filter

Data Sheet

Characteristics

Reference temperature:

TA = 25 ˚C

Terminating source impedance:

ZS =50 Ω

Terminating load impedance:

ZL =50 Ω

Group delay aperture

0,25MHz

min.

typ.

max.

Insertion attenuation

Reference level for the

480,00 MHz

—

18,6

20,5

following data

Center frequency

479,00

480,00

481,00 MHz

Pass bandwidth

rel≤ 3 dB

B3dB

—

27,0

—

MHz

rel≤10 dB

B10dB

—

34,3

—

MHz

Relative attenuation

rel

466,50 MHz

—

2,8

4,6

493,50 MHz

—

3,1

4,6

Lower sidelobe

430,00 ... 455,50 MHz

38,0

48,0

—

Upper sidelobe

504,50 ... 530,00 MHz

36,0

43,0

—

Reflected wave signal suppression

0,11

µs … 2,0 µs after main pulse

39,0

42,0

—

Amplitude ripple

∆α

473,50 ... 486,50 MHz

—

0,3

0,5

Group Delay

480,00 MHz

—

250,0

—

Group delay ripple (p–p)

∆τ

467,00 ... 493,00 MHz

—

Impedance at 480,00 MHz

Input:

ZIN

RIN

CIN

—

0,07|| 4,5

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

0,60|| 3,1

—k

Ω || pF

Temperature coefficient of frequency

TCf

—

– 86

—

ppm/K

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