280 MHz Bandpass Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Horizontal: 10 MHz/Div
230 240 250 260 270 280 290 300 310 320 330
Vertical: 10 dB/Div
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
270
267.5
272.5
100
80
60
40
20
0
-20
-40
-60
-80
-100
287.5
290
-
10
271.5
-
-
310
1
-
100
-
50
292.5
17 MHz Bandwidth
Part Number 855392
Horizontal: 2.1 MHz/Div
Vertical: 1 dB/Div
Vertical: 20 nsec/Div
275
280
277.5
282.5
285
Parameter
Center Frequency
Insertion Loss
3 dB Lower Frequency
3 dB Upper Frequency
37 dB Lower Frequency
37 dB Upper Frequency
Passband Ripple (271.5 - 288.5 MHz)
Group Delay
Group Delay Variation
Substrate Material
Operating Temperature Range
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
MHz
dB
µsec
nsec
-
°C
-
-
-
288.5
250
-
-
-
-
-
-10
Typical
280
6.9
269.44
290.89
266
298.5
0.29
0.645
45
YZ LiNbO
3
25
Maximum
Package Outline
Specifications subject to change or obsolescence without notice.
Matching Configuration
L1 = 12 nH , L2 = 15 nH
C1 = 18 pf, C2 = 47 pf
Values may vary due to PCB Parasitics
Nominal Source/Load Impedance = 50Ω
Package Style SMP-28
3/22/00
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061