B3685 datasheet(3/6 Pages) EPCOS

3 / 6 page

Jan 08, 2003

SAW Components

B3685

90,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

= 0 - 70 ˚C

Terminating source impedance:

ZS = 200 Ω balanced and matching network

Terminating load impedance:

ZL = 200 Ω balanced and matching network

min.

typ.

max.

Nominal frequency

—

90,0

—

MHz

Insertion attenuation at

4,0

5,3

6,0

(including matching network)

Passband width

rel ≤ 0,5 dB

B0,5dB

200

850

—

kHz

Amplitude ripple (p-p)

fN ± 100 kHz

∆α

—

0,15

0,5

Absolute group delay (at

fN)

720

760

800

Group delay ripple (p-p)

fN ± 100 kHz

∆τ

—

100

Average Error Vector Magnitude (rms)

EVM

—

0,4

1,0

Relative attenuation (relative to

rel

fN ± 1,8 MHz ... fN ± 6,0 MHz

—

fN ± 6,0 MHz ... fN ± 20,0 MHz

—

Input and Output VSWR

fN ±100 kHz

—

1,3:1

2,0:1

Impedance at fN (without matching)

Input:

ZIN = RIN || CIN

—

335 || 23,8

—

Ω || pF

Output: ZOUT=ROUT || COUT

—

335 || 23,8

—

Ω || pF

Temperature coefficient of frequency

TCf

—

– 18

—

ppm/K

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