Low Pass Filter
Ceramic
Low Pass Filter
50Ω
LFCN-291-1PM+
DC to 290 MHz
Features
Maximum Ratings
* Passband rating, derate linearly to 3.5W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
• very good power handling, 8.5W
• small size
• balanced input-balanced output
• temperature stable
• LTCC construction
• differential 8th order Bufferworth with common mode rejection
Pin Connections
Applications
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input* 8.5W max. at 25°C
RF IN
1,6
RF OUT 3,4
GROUND
2,5
CASE STYLE: FV1206-1
PRICE: $2.95 ea. QTY. (100)
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
and Reel
Available Tape cost
at no extra
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Reel Size
7”
• used with PMC-Sierra’s PM8910/11/12/13
Electrical Specifications(1,2) at 25°C
Outline Drawing
Parameter
(ON TOP)
Pass Band
(ON TOP)
Stop Band
Insertion Loss
Freq. Cut-Off
VSWR
Rejection Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
DC-F1
F2
DC-F1
F3
F4-F5
290
325
290
460
600-2000
—
—
—
20
37
2.0
3.0
1.22
—
45
3.5
—
—
—
—
dB
dB
:1
dB
dB
—
20
—
:1
VSWR
F3-F5
460-2000
(1) Measured on Mini-Circuits Characterization Test Board TB-255+.
(2) Measured differentially both at input and output (100Ω across input and output)
PCB Land Pattern
ATTENUATION (dB)
Typical Frequency Response
20
3
1
C
.035
0.89
D
.024
0.61
G
.039
0.99
H
.024
0.61
J
.042
1.07
K
.123
3.12
E
.022
0.56
F
.011
0.28
wt
grams
.020
Demo Board MCL P/N: TB-255+
Suggested PCB Layout (PL-131)
F5
F1 F2 F3 F4
FREQUENCY
Typical Performance Data at 25°C
Outline Dimensions ( inch
mm )
B
.063
1.60
Electrical Schematic
40
DC
Suggested Layout,
Tolerance to be within ±.002
A
.126
3.20
Devices/Reel
20, 50, 100, 200, 500,1000, 3000
Frequency
(MHz)
Insertion Loss
(dB)
0.30
0.50
1.00
10.00
30.00
50.00
110.00
200.00
300.00
400.00
500.00
700.00
1005.00
1525.00
2000.00
1.05
1.05
1.05
1.05
1.10
1.16
1.28
1.22
1.28
13.92
50.62
86.59
97.99
96.37
96.93
LFCN-291-1PM+
VSWR
1000
70
60
100
50
VSWR
INSERTION LOSS (dB)
0.24
0.25
0.25
0.26
0.33
0.41
0.67
1.02
1.92
14.52
34.17
44.41
46.95
69.63
44.75
LFCN-291-1PM+
INSERTION LOSS
80
VSWR
(:1)
40
30
10
20
10
0
1
0
500
1000
1500
2000
0
500
FREQUENCY (MHz)
1000
1500
2000
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
Mini-Circuits
®
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
REV. OR
M144223
LFCN-291-1PM+
ED-14477/3
AVB/CP/AM
131220
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