140 MHz SAW Filter

2.2 MHz Bandwidth

Part Number: SF0140BA02457S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0140BA02457S Rev A

22-Feb-2010

ECN 36650

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

1

139.70

140.00

140.30

MHz

Insertion Loss at Fc

10

12

13

dB

1 dB Bandwidth

2

2.20

2.28

-

MHz

3 dB Bandwidth

2

2.30

2.73

-

MHz

40 dB Bandwidth

2

-

4.30

4.50

MHz

Ultimate Rejection (70 to 210 MHz)

2

40

45

-

dB

Passband Ripple (Fc+/-1 MHz)

-

0.6

1.0

dB p-p

Phase Ripple (Fc+/-1 MHz)

-

2.5

5

deg p-p

Group Delay Ripple (Fc+/-0.8 MHz)

50

300

ns/div

Temperature Coefficient of Frequency

-

-23

-

ppm/˚C

Source/Load Impedance

50

ohms

Ambient Temperature

-

25

-

˚C

Notes:

1. Defined as the average of the lower and upper 3 dB frequencies at room ambient.

2. All dB levels are defined relative to the insertion loss.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

5

50

˚C

Input Power Level

-

10

dBm

MATCHING CIRCUIT

Typical component values:

Notes:

1. Recommend use of 2% tolerance matching components.

2. Component values are for reference only and may change depending on board layout.

Ls1

=

52

nH

Ls2

=

59.3

nH

Cp1 =

39

pF

Cp2

=

41

pF

11

5

All others

Input

50

Ω

Single-ended

Output

50

Ω

Single-ended

GND

GND