549.5 MHz Filter
for WLL Applications
Part Number SF0550CD01964S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
TYPICAL PERFORMANCE
Horizontal: 1 MHz/div
Vertical (from top): Magnitude
Magnitude
Group Delay
10 dB/div
1 dB/div
50 nsec/div
SPECIFICATION
Parameter
Center Frequency (Fc)
1
Insertion Loss at Fc
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Phase Linearity
2
Passband Amplitude Ripple
3
Absolute Delay
Passband Group Delay Ripple
2
Ultimate rejection (274.75 MHz to 536.5 MHz and
562.5 MHz to 824.25 MHz)
Triple Travel Suppression
Return Loss at Input and Output
4
Source and Load Impedance
Operating Temperature Range
Notes:
Min
1.0
Typ
549.5
10
Max
11
2.0
4.2
5
0.8
1.00
120
2
0.95
75
45
30
10
-10
40
50
Units
MHz
dB
MHz
MHz
MHz
deg p-p
dB p-p
µs
ns p-p
dB
dB
dB
Ω
°
C
+65
1. Fixed reference. All specified bandwidths are centered at this frequency.
2. Over the central 1 MHz bandwidth.
3. Over any 0.2 MHz interval within the central 1 MHz bandwidth.
4. When matched using external components as described below.
Rev 1.1 07-Nov-01
Page 1 of 2
549.5 MHz Filter
for WLL Applications
Part Number SF0550CD01964S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
PACKAGE OUTLINE
Units:
mm
Pin Configuration:
Input:
9
Output:
4
Ground:
1,2,3,5,6,7,8,10,11
MATCHING CIRCUIT
Ls1
9
4
Ls2
Lp1
10
5
Lp2
Typical component values:
(
minimum Q = 45
)
Ls1 = 27 nH
Lp1 = 22 nH
Ls2 = 33 nH
Lp2 = 22 nH
Notes
•
May require 2% matching components or variable inductors in order to meet the return loss / VSWR
specification.
•
Component values change depending on board layout. The values shown here are intended as a guide only.
ISO 9001
Registered
Micro Networks Corporation
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
European Sales Headquarters: Hertosingel 20 6214 AD Maastricht, Netherlands. tel: +31-43-32-70915 fax: +31-43-32-70715
www.micronetworks.com
Rev 1.1 07-Nov-01
Page 2 of 2
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