398 MHz Bandpass Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Horizontal: 4 MHz/Div
378 382 386 390 394 398 402 406 410 414 418
Vertical: 10 dB/Div
1
1
0
0.95
-1
0.9
-2
0.85
-3
0.8
-4
0.75
-5
0.7
-6
0.65
-7
0.6
-8
0.55
-9
0.5
Horizontal: 1
399 400 401 402 403
MHz/Div
393 394 395 396 397 398
Vertical: 1 dB/Div
Vertical: 50 nsec/Div
4.3 MHz Badnwidth
Part Number 855561
Parameter
Center Frequency
Insertion Loss @ 398 MHz
1 dB Lower Frequency
1 dB Upper Frequency
45 dB Lower Frequency
45 dB Upper Frequency
50 dB Lower Frequency
50 dB Upper Frequency
Amplitude Variation (395.85 - 400.15 MHz)
Group Delay Variation (395.85 - 400.15 MHz)
Substrate Material
Operating Temperature Range
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
MHz
MHz
MHz
dB
nsec
-
°C
-
-
-
400.15
388
-
382
-
-
-
-
-30
Typical
398
9.9
394.7
401.2
391.3
407.4
391.1
409.1
0.25
30
LiTaO
3
25
Maximum
-
12
395.85
-
-
412
-
418
0.7
100
-
+70
Package Outline
Specifications subject to change or absolesence without notice.
Matching Configuration
L1 = 22 nH , C1 = 15 pf
C2 = 68 pf , C3 = 18 pf
Nominal Source/Load Impedance = 50
Ω
Package Style SMP 28
1/24/00
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061