48 MHz SAW Filter

10 MHz Bandwidth

Part Number SF0048BA02644S

Spectrum Microwave, Inc.

400 Nickerson Road, Marlborough, MA 01752, USA

Phone 508-251-6400

Fax 508-251-6401

www.SpectrumMicrowave.com

DSSF0048BA02644S Rev X4 10-Feb-11

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

-

48

-

MHz

Insertion Loss

-

13.5

16.0

dB

Passband Ripple (Fc ± 4.25 MHz)

-

0.6

1.2

dB p-p

9.0

10.1

-

MHz

-

10.5

-

MHz

120

220

nsec

-

5.5

-

dB

35

43

-

dB

40

53

-

dB

40

52

-

dB

40

68

-

dB

Source and Load Impedance

50 Ω, 2 kΩ//3 pF

Frequency Stability

-300

-

300

kHz

Notes:

1. Reference frequency. Computed as mean of the 3 dB frequencies.

2. All dB values are referenced to the insertion loss value.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

-40

85

˚C

Input Power Level

-

+10

dBm

MATCHING CIRCUIT

L1= 890 nH, L2 = L3 = 47 nH, L4 = 970 nH, C1 = C2 = 36 pF

Notes:

•

Recommend 2% or better tolerance matching components. Typical inductor Q=40.

•

Optimum values may change depending on board layout. Values shown are intended as a

guide only.

Pa RKP

dNRKP