Specifications subject to change or obsolescence without notice.
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-10
-8
-6
-4
-2
0
2
4
6
8
10
257.12
257.92
258.72
259.52
260.32
261.12
261.92
262.72
263.52
264.32
265.12
MHz
dB
MHz
MHz
MHz
MHz
deg
dB
dB
dB
dB
dB
-
C
-
-
263.04
257.12
-
-
47
47
47
47
20
-
-20
261.12
9.6
258.8
263.5
257.6
264.7
0.55
LiTaO
3
25
-
12
259.2
-
-
265.12
4
-
-
-
-
-
-
85
Center Frequency
Maximum Insertion Loss (259.2 - 263.04 MHz)
1 dB Lower Frequency
1 dB Upper Frequency
15 dB Lower Frequency
15 dB Upper Frequency
Phase Linearity(259.2 - 263.04 MHz)
Rejection: 161.12 - 241.12 MHz
Rejection: 241.12 - 253.12 MHz
Rejection: 269.12 - 281.12 MHz
Rejection: 281.12 - 361.12 MHz
Triple Transit Suppression
Substrate Material
Operating Temperature Range
Unit
Minimum
Typical
Maximum
Parameter
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
251.12
253.12
255.12
257.12
259.12
261.12
263.12
265.12
267.12
269.12
271.12
Data Sheet
Typical Performance
Specifications
Package Outline
Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
L1 = 18 nH , L2 =15 nH
C1 = 33 pf
Nominal Source/Load Impedance = 50
Package Style SMP 53 2/21/00
3.84 MHz Bandwidth
Part Number 855787
261.12 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 2 MHz/Div
Vertical: 1 dB/Div
Vertical: 2 deg/Div
Horizontal: 800 kHz/Div
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