380 MHz SAW Filter

2.5 MHz Bandwidth

Part Number: SF0380BA02442S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0380BA02442S

ECN 36650

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SPECIFICATION

Parameter

Min

Typ

Max

Units

Center Frequency (Fc)

1

379.9

380.0

380.1

MHz

Insertion Loss

-

9.4

13

dB

Passband Ripple within 380+/-1.15 MHz

-

0.53

1

dB

Group Delay Ripple within 350+/-1.25 MHz

-

95

150

ns

Absolute Group Delay

-

0.77

3

µs

1 dB Bandwidth

2

2.5

2.74

-

MHz

30 dB Bandwidth

-

4.52

4.9

MHz

40 dB Bandwidth

-

4.75

5.2

MHz

Rejection at 380+/- 3 MHz

40

45

-

dB

Rejection at 380+/- 40 MHz

45

50

-

dB

Input and Output Return Loss at 380 MHz

8

12

-

dB

Substrate Material

-

Quartz

-

Operating Temperature Range

-40

25

85

°C

Temperature Coefficient of Frequency (Tc)

-

-0.036

-

ppm/°C

2

System Source and Load Impedance

-

50

-

Ω

Notes: 1. Average of lower & upper 30 dB frequencies.

2. Rejection relative to insertion loss.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Operating Temperature Range

1

-40

+85

˚C

Storage Temperature Range

-40

+85

˚C

Input Power Level

-

+17

dBm

MATCHING CIRCUIT

Minimum Inductor Q = 40

Notes:

1.

Required component tolerances – inductors ±1% with min Q=40, capacitors ±5%.

2.

Values shown are for reference only. Actual values are dependent upon board layout.

Ls1

=

22

nH

Ls2 =

27

nH

Cp1 =

27

pF

Cp2 =

15

pF

Rp1 =

3

KΩ

Rp2 =

3

KΩ