76.8 MHz SAW Filter

14.24 MHz Bandwidth

Part Number SF0077BA03082S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0077BA03082S Rev A

18-Feb-2010

ECN 36650

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

Center Frequency (Fc, fixed reference)

-

76.80

-

MHz

Operating Bandwidth

-

14.24

-

MHz

Insertion Loss at Fc

-

12.7

14

dB

Lower 35 dB Frequency

64.3

66.2

-

MHz

Upper 35 dB Frequency

-

88.5

89.3

MHz

Amplitude Ripple

1

-

0.5

1

dB p-p

Phase Linearity

1

-

3

8

deg p-p

Group Delay Variation

1

-

45

100

ns p-p

Absolute Delay

-

1.1

1.5

µs

Triple Travel Suppression

35

45

-

dB

Rejection (0.3 to 7 MHz)

40

49

-

dB

Rejection (7 to 54 MHz)

45

53

-

dB

Rejection (54 to 64.3 MHz)

2

40

50

-

dB

Rejection (89.3 to 100 MHz

2

40

45

-

dB

Rejection (100 to 130 MHz)

2

45

50

-

dB

Rejection (130 to 178 MHz)

2

45

50

-

dB

Rejection (178 to 300 MHz)

2

45

50

-

dB

Input and Output Return Loss

1,5

9

10

-

dB

Two-tone Input 3

35

-

-

dBm

Source and Load Impedance

-

50

-

Ω

Ambient Temperature

-

25

-

˚C

Notes:

1. Applies over the operating bandwidth.

2. Rejection is relative to the insertion loss.

3. Measured with tones spaced at 10 and 20 MHz above and below Fc.

4. All parameters to be met over the operating temperature range except Return Loss.

5. Room temperature only

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

95

˚C

Operating Temperature Range

4

-10

85

˚C

Input Power Level

-

17

dBm

MATCHING CIRCUIT

Typical component values:

(Minimum inductor Q = 45)

Notes:

1. Recommend the use of

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

Ls1

=

220

nH

Ls2 =

238

nH

Lp1

=

270

nH

Lp2 =

560

nH

Rp1 = 1000

Ω

Rp2 = 1000

Ω

Input

50

Ω

Single-ended

Output

50

Ω

Single-ended