DILABS B148QF0S Frequency stable over temperature -55â°c to 125â°c Datasheet

12 to 18 GHz Bandpass Filter
AFL05158
Features
▪ Small Size
▪ Fully Shielded Component
▪ Frequency Stable over Temperature -55°C to +125°C
Description
Surface mount, fully shielded, thin film filter designed for use on PCB 812 mils thick with permitivity of 3.0-3.8.
Applications include Ku-Band, Radar and Military Communications.
Electrical Specifications
15000 MHz
Center Frequency
12000 - 18000 MHz
Passband
3.1 dB
@ 25°C
3.6 dB
-40°C to +85°C
VSWR
1.67:1
12000 MHz to 18000 MHz*
Rejection
40 dB
dc to 7600 MHz
30 dB
22500 MHz to 25000 MHz
Insertion Loss (@Fc)
-55 to +125 degree C
Usable Temp Range
*50 Ohm System
Mechanical
Footprint LxW
0.550 x 0.150
inch
[13.97 x 3.81]
mm
0.098 [2.49]
Height
Inch [mm]
Typrical Performance
0
-5
-10
-15
-20
Magnitude in dB
-25
-30
-35
-40
-45
Frequency
Response
-50
-55
-60
-65
-70
-75
-80
-85
1000
2600
4200
5800
7400
9000
10600
12200
13800
15400
Frequency in MHz
17000
18600
20200
21800
23400
25000
Catalog specifications subject to change without notice
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AFL05158
August 2013 Revision A
Wide Band Performance
10
Narrow Band Performance
10
0
0
-10
-10
Magnitude in dB
Magnitude in dB
-20
-30
-40
-50
-60
-20
-30
-40
-50
-70
-80
1000
5000
9000
13000
17000
Frequency in MHz
21000
-60
8000
25000
10000
12000
Group Delay
14000
16000
Frequency in MHz
18000
20000
22000
Passband Response
0
0.6
-1
0.5
-2
0.4
Magnitude in dB
Group Delay (ns)
0.7
0.3
0.2
0.1
0
11500
-4
-5
13500
15500
Frequency (MHz)
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-3
17500
19500
-6
11000
AFL05158
13000
15000
17000
Frequency in MHz
19000
August 2013 Revision A
Mechanical Drawing
All units in inches
Mounting Information
PCB ground pattern length and width can be 0.002-0.003 inches larger than filter footprint.
Dimensions of filter launch and PCB launch pattern should be closely matched.
It is suggested that PCB ground metal be pulled back from RF I/O trace to account for component
alignment tolerance. Ground via depth and spacing should be set so as not to create any
resonances at the frequency of operation.
Reference SMT Filter Mounting application note for additional mounting information.
Dielectric Laboratories, Inc.
2777 Route 20 East, Cazenovia, NY 13035 USA
Phone: (315) 655-8710
Fax: (315)655-0445
Email: [email protected]
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AFL05158
August 2013 Revision A
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