88.5 MHz SAW Filter

3.65 MHz Bandwidth

Part Number: SF0088BA02432S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0088BA02432S Rev D 22-Feb-2010

ECN 36650 Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

Center Frequency Fo

-

88.5

-

MHz

Ave Insertion Loss (Fo ± 1.46 MHz)

-

23.9

26.5

dB

Passband Width at -2 dB

3.7

3.81

-

MHz

Amplitude Ripple within Fo ± 1.46 MHz

1

-

0.75

1.7

dB

Phase Linearity within Fo ± 1.825 MHz

2

-

4.5

6

deg p-p

Rejection @ ± 2.120 MHz

3

16

20

-

dB

Rejection @ ± 2.470 MHz

3

20

30

-

dB

Rejection @ ± 2.920 MHz

3

22

35

-

dB

Rejection @ ± 3.270 MHz

3

28

35

-

dB

Rejection @ ± 16.00 MHz

3

50

53

-

dB

Ultimate Rejection within Fo-30 to Fo-16 MHz

50

53

-

dB

Ultimate Rejection within Fo+16 to Fo+30 MHz

50

53

-

dB

Input Return Loss at Fo

12

20

-

dB

Output Return Loss at Fo

12

20

-

dB

Source and Load Impedance (single ended)

-

50

-

Ohm

Notes:

1. At 85 ˚C and -40 ˚C extremes, due to a passband slope, max. ripple is 2.1 dB.

2. At 85 ˚C and -40 ˚C extremes, the max. phase ripple is 7 deg.

3. The stated dB level is relative to the insertion loss at Fo.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

+85

˚C

Operating Temperature Range

-20

+60

˚C

Input Power Level

-

10

dBm

MATCHING CIRCUIT

Typical component values:

Ls1 = 680 nH

Ls2 = 680 nH

Minimum Q=40

Lp1 = 526 nH

Lp2 = 458 nH

Notes:

1.

Optimum values may differ from these when using a different fixture or board layout. The values shown here are

intended as a guide only.

2.

Required component tolerances – inductors ±1%, capacitors ±5%.

1

6

10

5

Output

50Ω

Single-ended

Input

50Ω

Single-ended