426 MHz SAW Filter

6.4 MHz Bandwidth

Part Number: SF0426BA02436S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

• Phone 1-508-251-6400 • Fax 1-508-251-6401

www.SpectrumMicrowave.com

DSSF0426BA02436S Rev A 25-Mar-2010

ECN 36650

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

-

426

-

MHz

Minimum Insertion Loss

-

21

22.0

dB

Lower 1dB Band Edge

1

-

422.45

422.80

MHz

Upper 1dB Band Edge

1

429.20

429.28

-

MHz

Lower 3dB Band Edge

1

-

422.24

422.50

MHz

Upper 3dB Band Edge

1

429.50

429.58

-

MHz

Lower 40 dB Band Edge

1

420.95

421.18

-

MHz

Upper 40 dB Band Edge

1

-

430.84

431.05

MHz

Amplitude Variation (423 to 429 MHz)

-

0.7

1.0

dB p-p

Phase Linearity (423 to 429 MHz)

-

5.5

7.0

deg p-p

Group Delay Variation (423 to 429 MHz)

-

90

120

ns p-p

Absolute Delay

-

1.33

-

us

Relative Attenuation (100-420 MHz)

1

50

53

-

dB

Relative Attenuation (434 to 500 MHz)

1

50

53

-

dB

Substrate Material

Quartz

Ambient Temperature

-

25

-

˚C

Notes:

1. dB levels are defined relative to the insertion loss.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

10

70

˚C

Input Power Level

10

dBm

MATCHING CIRCUIT

Typical component values:

(Minimum inductor Q = 40)

Notes:

1. Recommend use of 2% tolerance matching components.

2. Component values may change depending on board layout.

Ls1

=

22

nH

Ls2 =

15

nH

Cp1 =

15

pF

Cp2 =

27

pF

Rp1 =

6.8

KΩ

Rp2 =

6.8

KΩ

11

5

12

6

Input

50

Ω

Single ended

Output

50

Ω

Single ended