73.728 MHz SAW Filter

4.5 MHz Bandwidth

Part Number: SF0074BA03225S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0074BA03225S Rev A 18-Feb-2010

ECN 36650

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

-

73.728

-

MHz

Insertion Loss

-

10.8

12.5

dB

Lower 1 dB Frequency

1

-

70.89

71.478

MHz

Upper 1 dB Frequency

1

75.978

76.82

-

MHz

1 dB Bandwidth

1

4.5

5.9

-

MHz

3 dB Bandwidth

1

5.7

6.8

-

MHz

40 dB Bandwidth

1

-

10.1

12

MHz

Amplitude Ripple (Fc±2.25 MHz)

-

0.5

1

dB p-p

Phase Ripple (Fc±2.25 MHz)

-

3

6

deg p-p

Group Delay Deviation (Fc±2.25 MHz)

-

70

120

ns p-p

Rejection (20 to 67.728 MHz)

1

40

44

-

dB

Rejection (79.728 to 150 MHz)

1

40

43

-

dB

Temperature Coefficient of Frequency (Tc)

2

-86

ppm/˚C

Source/Load Impedance

50

ohms

Ambient Temperature (Tref)

25

˚C

Notes:

1. Al dB levels are referenced to the insertion loss.

2. Typical shift of frequency response with temperature is: ∆f=(T-Tref)*Tc*Fc.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

-20

70

˚C

Input Power Level

-

10

dBm

MATCHING CIRCUIT

Ls1 = 68 nH

Ls2 = 220 nH

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.

Input

50

Ω

Single-ended

11

5

All other pads

Output

50

Ω

Single-ended

GND

GND