137.5 MHz Filter

Part Number

SF0137BA02305S

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

Rev 1.0 6-June-02

Page 1 of 2

PERFORMANCE

Horizontal: 0.5 MHz/div

Vertical (from top):

Magnitude

10 dB/div

Magnitude

1 dB/div

Group Delay

50 ns/div

SPECIFICATION

Parameter

Min

Typ

Max

Units

Center Frequency (Fc)

1

137.5

MHz

Insertion Loss at Fc

11

14

dB

1 dB Bandwidth

1.0

1.2

MHz

3 dB Bandwidth

1.46

MHz

40 dB Bandwidth

2.46

2.6

MHz

Passband Amplitude Ripple

2

0.65

1.0

dB p-p

Passband Phase Linearity

2

1.2

5

deg p-p

Passband Group Delay Ripple

2

40

ns p-p

Ultimate rejection (10 MHz – 127.5 MHz)

and (147.5 MHz – 200 MHz)

40

43

dB

Return Loss at Input and Output

2 3

18

dB

Source and Load Impedance

50

Ω

Operating Temperature Range

4

-40

23

+85

° C

Notes: 1. Fixed reference. All specified bandwidths are centered at this frequency.

2. Over the central 1 MHz bandwidth.

3. When matched using external components in MNC test fixture.

4. The above specification applies over the full operating temperature range.