341 MHz Bandpass Filter
Preliminary Specifications
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Horizontal: 1 MHz/Div
336 337 338 339 340 341 342 343 344 345 346
Vertical: 10 dB/Div
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
339.5
339.8
340.1
125
100
75
50
25
0
-25
-50
-75
-100
-125
341.9
342.2
342.5
400 kHz Bandwidth
Part Number 855670
Horizontal: 250 kHz/Div
Vertical: .5 dB/Div
Vertical: 25 nsec/Div
340.4
340.7
341
341.3
341.6
Parameter
Center Frequency
Minimum Insertion Loss
Input VSWR 340.8 to 341.2 MHz:
Output VSWR 340.8 to 341.2 MHz:
Amplitude Variation: 340.9 MHz to 341.1 MHz
Amplitude Variation: 340.8 MHz to 341.2 MHz
Group Delay: 340.8 MHz to 341.2 MHz:
Rejection: 171 MHz to 335 MHz
Rejection: 335 MHz to 339.2 MHz
Rejection: 342.8 MHz to 347 MHz
Rejection: 347 MHz to 511 MHz
Rejection: 1000 MHz to 1050 MHz
Substrate Material
Operating Temperature Range
Specifications
Unit
Minimum
MHz
dB
-
-
dB p-p
dB p-p
nsec
dB
dB
dB
dB
dB
-
°C
-
6
-
-
-
-
-
30
16
16
30
35
-
-20
Typical
341
7
1.3
1.2
0.15
0.25
10
39
21
19
40
45
Quartz
25
Maximum
-
8.5
1.92:1
1.92:1
0.3
0.5
50
-
-
-
-
-
-
85
Package Outline
Matching Configuration
L1 = 8 nH, L2= 8 nH, L3 = 10 nH
Nominal Source/Load Impedance = 50Ω
Package Style SMP-28
12/1/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061
Microcontroller MCU
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