141 MHz SAW Filter

1.25 MHz Bandwidth

Part Number: SF0141CD03092S

Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA

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

www.SpectrumMicrowave.com

DSSF0141CD03092S Rev A 11-Mar-2010

ECN 36650

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

-

141.0

-

MHz

Insertion loss at Fc

-

11.7

14

dB

1 dB Bandwidth

1

-

1.21

-

MHz

Attenuation at 141 ± 1.25 MHz

1

38

44

-

dB

Stopband Rejection (70 to 139.5 MHz)

1

42

50

-

dB

Stopband Rejection (139.5 to 139.75 MHz)

1

38

45

-

dB

Stopband Rejection (142.25 to 142.5 MHz)

1

38

44

-

dB

Stopband Rejection (142.5 to 202.25 MHz)

1

42

48

-

dB

Return Loss at Input and Output (141 ± 0.625 MHz)

2

10

15

-

dB

Passband Amplitude Ripple (141 ± 0.625 MHz)

3

-

0.65

1

dB p-p

Phase Linearity (141 ± 0.625 MHz)

-

2.8

4

deg p-p

Source/Load Impedance

50

ohms

Ambient Temperature

-

25

-

˚C

Notes:

1. All dB levels to be measured relative to average loss across the passband.

2. When matched using external components as described below.

3. Does not include roll-offs at edge of pass band.

MAXIMUM RATINGS

Parameter

Min

Max

Units

Storage Temperature Range

-40

95

˚C

Operating Temperature Range

-10

85

˚C

Input Power Level

-

13

dBm

MATCHING CIRCUIT

Typical component values:

Notes:

1. Recommend use of 2% tolerance matching components.

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

Ls1

=

120

nH

Ls2

=

110

nH

Cp1 =

51

pF

Cp2

=

56

pF

Input

50

Ω

Single-ended

Output

50

Ω

Single-ended

GND

GND