280 MHz Filter
Part Number
SF0280BA01984S
Micro Networks, 324 Clark Street,
Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev X6 27Feb2003
Page 1 of 2
TYPICAL PERFORMANCE
Horizontal: 10 MHz/div
Vertical (from top):
Magnitude
10 dB/div
Group Delay Deviation 50 ns/div
SPECIFICATION
Parameter
Min
Typ
Max
Units
Center Frequency (Fc)
280
MHz
Insertion Loss
1
10
dB
Lower 3 dB Frequency
271.5
MHz
Upper 3 dB Frequency
288.5
MHz
Passband Ripple
2
2
dB
Group Delay Variation
2
100
ns
Rejection
Fc-60 to Fc-40 MHz
Fc-40 to Fc-22 MHz
Fc-22 to Fc-16 MHz
Fc+16 to Fc+22 MHz
Fc+22 to Fc+40 MHz
Fc+40 to Fc+60 MHz
40
38
30
25
34
40
dB
dB
dB
dB
dB
dB
Substrate
LiNbO
3
-
Operating Temperature Range
3
-10
25
85
°C
System Source and Load Impedance
50
Notes: 1. Measured at Fc MHz.
2. Evaluated over 271.5-288.5 MHz.
3. Limits to be met over operating temperature range
.
Production test to use appropriate guard bands.
P
280 MHz Filter
Part Number
SF0280BA01984S
Micro Networks, 324 Clark Street,
Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks
324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
European Sales Office: Hertosingel 20 6214 AD Maastricht, Netherlands. tel: +31-43-32-70912 fax: +31-43-32-70715
www.micronetworks.com
Rev X6 27Feb2003
Page 2 of 2
·
ACKAGE OUTLINE
Units:
mm
Pin Configuration:
Input:
3
Input Return: 2
Output: 7
Output Return: 6
Ground: 1,4,5,8
MATCHING
CIRCUIT
6
2
3 7
Component values in 50
:
Ls1 = 56 nH
Ls2 = 47 nH
(Minimum Q = 40)
Cp1 = 10 pF
Cp2 = 8 pF
Notes
Optimum component values may change depending on board layout. The values shown here are intended
as a guide only.
ISO 9001
Registered
PDF 
ZIP