70 MHz SAW Filter

35 MHz Bandwidth

Part Number: SF0070BA02489S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0070BA02489S Rev A

9-Feb-2010

ECN 36650 Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

-

70

-

MHz

Minimum Insertion Loss

1

-

24.2

25

dB

Lower 1.5 dB band Edge

3

-

51.93

52.50

MHz

Upper 1.5 dB band Edge

3

87.50

88.08

-

MHz

Lower 40 dB band Edge

3

47.00

48.60

-

MHz

Upper 40 dB band Edge

3

-

91.40

92.00

MHz

Relative Attenuation (10 to 37 MHz)

3

45

48

-

dB

Relative Attenuation (37 to 47 MHz)

3

40

42

-

dB

Relative Attenuation (92 to 103 MHz)

3

40

42

-

dB

Relative Attenuation (103 to 170 MHz)

3

45

50

-

dB

Absolute Delay

-

0.67

1

us

Amplitude Ripple

2

-

0.8

1.5

dB p-p

Amplitude Ripple (any 1.25 MHz BW)

2

0.35

0.5

dB p-p

Source/Load Impedance (differential)

50

ohms

Temperature Coefficient of Frequency

-74

ppm/˚C

Ambient Temperature

40

˚C

Notes:

1. Measured with 50Ω analyzer.

2. Measured within the 1.5 dB bandwidth.

3. Measured relative to the Insertion Loss Value.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

-10

80

˚C

Input Power Level

-

+10

dBm

MATCHING CIRCUIT

Typical Matching Components: Ls1 = 270 nH

Ls2 = 660 nH

Notes:

1. Recommend +/-2% tolerance inductors. Inductor Q=40.

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

11

5

12

6

Input

50

Ω

Single-ended

Output

50

Ω

Single-ended

GND

GND