B3697 datasheet(3/6 Pages) EPCOS

3 / 6 page

Feb 03, 2003

SAW Components

B3697

190,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

TA = -10 ... +85 ˚C

Terminating source impedance:

ZS = 50 Ω and matching network

Terminating load impedance:

ZL = 50 Ω and matching network

Group delay aperture:

50 kHz

min.

typ.

max.

Nominal frequency

—

190,00

—

MHz

Minimum insertion attenuation

min

(including matching network)

fN ± 2,05 MHz

—

10,7

12,0

Passband width

rel ≤ 1 dB

B1dB

4,5

4,9

—

MHz

rel ≤ 3 dB

B3dB

5,6

5,8

—

MHz

rel ≤ 10 dB

B10dB

—

7,0

7,2

MHz

rel ≤ 30 dB

B30dB

—

8,4

8,6

MHz

Amplitude ripple (p-p)

∆α

fN ± 2,05 MHz

—

0,45

1,0

Phase ripple (p-p)

∆ϕ

fN ± 2,05 MHz

—

3,5

Group delay ripple (p-p)

∆τ

fN ± 2,05 MHz

—

100

Absolute group delay

mean value within

fN ± 2,05 MHz at 25 ˚C1)

1) At other temperatures the variation from filter to filter is also restricted to +/- 5 ns.

From -10 ... +85 ˚ C the variation of mean value of group delay is restricted to +/- 20 ns.

952

957

962

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