-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
399.6
399.68
399.76
399.84
399.92
400
400.08
400.16
400.24
400.32
400.4
MHz
dB
MHz
MHz
MHz
MHz
MHz
dB
nsec
dB
dB
-
°C
-
-
-
400.083
-
-
-
-
-
35
35
-
-40
400
5.2
399.8
400.16
0.58
0.65
0.89
0.23
162
37.9
36
Quartz
25
-
6.5
399.917
-
0.8
1.2
1.6
2
1000
-
-
-
85
Center Frequency
Insertion Loss
Lower 2 dB Point
Upper 2 dB Point
7 dB Bandwidth
10 dB Bandwidth
20 dB Bandwidth
Amplitude Variation (399.917 - 400.083 MHz)
Group Delay Variation (399.917 - 400.083 MHz)
Rejection: 50 - 398.5 MHz
Rejection: 401.5 - 500 MHz
Substrate Material
Operating Temperature Range
Unit
Minimum
Typical
Maximum
Parameter
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
396
396.8
397.6
398.4
399.2
400
400.8
401.6
402.4
403.2
404
Data Sheet
Typical Performance
Specifications
Package Outline Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
L1 = 48 nH , L2 = 51 nH , L3 = 39 nH
C1 = 10 pf , C2 = 10 pf
Nominal Source/Load Impedance = 50 Ω
Package Style SMP-20 10/3/00
for GSM Applications
Part Number 855772
400 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 800 kHz/Div
Vertical: 1 dB/Div
Vertical: 200 nsec/Div
Horizontal: 80 kHz/Div