B3893(2008) 查看數據表（PDF） - EPCOS AG

零件编号

产品描述 (功能)

比赛名单

B3893
(Rev.:2008)

SAW Components SAW IF filter GSM

EPCOS AG 

SAW Components

SAW IF filter

Data sheet

Characteristics

Temperature range for specification:

Terminating source impedance:

Termnating load impedance:

Nominal frequency

T = –20 ˚C to +85 ˚C

ZS = 50 Ω

ZL = 200 Ω

min.

typ.

fN

—

248.6

Minimum insertion attenuation

αmin

—

1.3

Passband width

αrel ≤ 3.0 dB

B3.0dB 5.0

7.2

Amplitude ripple (p-p)

∆α

fN ± 352.0 kHz

—

0.2

Group delay ripple (p-p)

∆τ

fN ± 352.0 kHz

—

30

Relative attenuation (relative to αmin)

αrel

10.0 MHz

... fN – 29.2 MHz

45

70

@ fN + 22.80 MHz

45

60

@ fN + 52.00 MHz

45

70

@ fN + 74.80 MHz

45

70

@ fN + 104.0 MHz

45

55

@ fN + 126.8 MHz

45

70

B3893

248.6 MHz

max.

— MHz

3.5 dB

— MHz

0.5 dB

100 ns

— dB

— dB

— dB

— dB

— dB

— dB

Temperature coefficient of frequency

TCf

—

–36

— ppm/K

Maximum ratings

Operable temperature range T

Storage temperature range Tstg

DC voltage

VDC

Input Power

PIN

Input Power

PIN

–40/+85

–40/+85

0

10

20

˚C

˚C

V

dBm

dBm

t <= 100 hours

Please read cautions and warnings and

important notes at the end of this document.

4 February 28, 2008

Share Link: