70 MHz SAW Filter

2.8 MHz Bandwidth

Part Number SF0070BA02391S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0070BA02391S Rev A

9-Feb-2010

ECN 36650 Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

1

-

70

-

MHz

Minimum Insertion Loss

-

20.6

22

dB

Lower 1 dB Band Edge

-

68.23

68.60

MHz

Upper 1 dB Band Edge

71.40

71.77

-

MHz

Lower 3 dB Band Edge

-

68.03

68.20

MHz

Upper 3 dB Band Edge

71.80

71.98

-

MHz

Lower 40 dB Band Edge

67.00

67.18

-

MHz

Upper 40 dB Band Edge

-

72.86

73.00

MHz

Amplitude Variation (68.6 to 71.4 MHz)

-

0.6

1

dB p-p

Phase Linearity (68.6 to 71.4 MHz)

-

3

6

deg p-p

Group Delay Variation (68.6 to 71.4 MHz)

-

75

150

ns p-p

Absolute Delay

-

1.66

-

us

Rejection (10 to 30 MHz)

50

55

-

dB

Rejection (30 to 50 MHz)

44

50

-

dB

Rejection (90 to 110 MHz)

40

55

-

dB

Rejection (110 to 200 MHz)

50

55

-

dB

Source and Load Impedance

-

50

-

Ω

Ambient Temperature

-

25

-

°C

Notes:

1. In production, devices will be tested to a guardbanded specification at room temperature. This will

ensure compliance over temperature.

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

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

85

˚C

Operating Temperature Range

0

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 shown are for guidance only and may change depending on board layout.

Ls1

=

189

nH

Ls2 =

189

nH

Cp1 =

56

pF

Cp2 =

56

pF

Rp1 =

360

Ω

Rp1 =

360

Ω

10

5

1

6

Input

50

Ω

Single-ended

Output

50

Ω

Single-ended