43.9 MHz Filter

for VSB system M - IF Applications

Part Number SF0044BA01860T

Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com

Rev 1.1 18-Oct-02

Page 1 of 2

TYPICAL PERFORMANCE

Horizontal: 2.5 MHz/div

Vertical (from top): Magnitude

10 dB/div

Magnitude

1 dB/div

Group Delay

100 ns/div

SPECIFICATION

Parameter

Min.

Typ.

Max.

Units.

F_visual

45.75

MHz

F_color

42.17

MHz

F_audio

41.25

MHz

Center Frequency ( Nominal)

43.875

MHz

Insertion Loss

28

30

dB

1.5 dB Lower Band Edge

41.25

MHz

1.5 dB Upper Band Edge

46.5

MHz

Passband Ripple(34.21 - 39.594 )

0.4

0.7

dB p-p

Group Delay response at:

46.5 MHz

-25

0

25

ns

45.75 - Reference

0

ns

43.0 MHz

-25

0

25

ns

42.17 MHz

-190

-160

-130

ns

41.55 MHz

-380

-330

-280

ns

Rejection at 40.0 MHz

20

45

dB

Rejection ( 10 - 39.75 MHz )

45

50

dB

Rejection at 47.0 MHz

20

40

dB

Rejection ( 47.25 - 70.0 MHz )

43

45

dB

Ambient Temperature

50

º C

Temperature Coefficient

-90

ppm / º C

Source/Load Impedance

50

Ω

Matching Network

None

Substrate Material

YZ Lithium Niobate