Surface Mount
BPF-A75+
Bandpass Filter
50Ω
72 to 78 MHz
Features
• High rejection
• Good VSWR, 1.2:1 typ @ passband
• Shielded case
• Aqueous washable
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
*Passband rating, derate linearly to 0.25W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
-40oC to 85oC
-55oC to 100oC
0.5W at 25°C
CASE STYLE: HQ1157
Applications
• Military communications
• Harmonic rejection
Pin Connections
RF IN
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
1
RF OUT
GROUND
8
• Transmitters/receivers
2,3,4,5,6,7,9,10,11,12,13,14
O
Outline Drawing
Bandpass Filter Electrical Specifications (TAMB= 25 C)
CENTER
FREQ.
(MHz)
PASSBAND
(MHz)
(Loss < 6dB)
STOPBANDS (MHz)
VSWR (:1)
Loss > 20dB Loss > 40dB
Passband
Stopband
Typ.
Fc
F1 - F2
72 - 78
F3
65
F4
F5
62
F6
Typ.
Max.
1.6
75
88
95 - 750
1.2
20
Typical Frequency Response
Functional Schematic
RF IN
RF OUT
40
20
6
PCB Land Pattern
F5 F3
F6
F2 F4
F1
FREQUENCY (MHz)
Typical Performance Data at 25oC
Suggested Layout
Tolerance to be within ±.002
Frequency
Insertion Loss
VSWR
(:1)
(MHz)
(dB)
METALLIZATION
SOLDER RESIST
1
30
62
65
67
68
85.28
87.00
54.00
31.77
14.81
8.71
15791.02
643.78
17.39
9.42
Outline Dimensions ( imncmh
)
A
B
C
D
E
F
G
H
2.76
1.46
.365 1.360
.35 .100 .180 .140 .100 .100
9.27 34.54 8.89 2.54 4.57 3.58 2.54 2.54
72
73
75
76
78
82
3.98
3.79
3.53
3.49
3.63
7.61
1.28
1.33
1.11
1.08
1.13
2.11
J
.305
7.75
K
L
M
N
P
Q
wt.
.150 .120 .275 .152 .405 1.400 grams
3.81 3.05 6.99 3.87 10.29 35.65
4.0
Demo Board MCL P/N: TB-363+
Suggested PCB Layout (PL-227)
84
88
95
101
400
750
17.18
35.00
49.71
58.45
63.54
61.94
7.70
17.39
61.14
99.98
99.13
57.39
PACKAGE
OUTLINE
.160 TYP.
.120 TYP.
ø.013 PTH
TYP.
.183
TYP.
.365
.048±.002
PIN 1
LINE WIDTH
2 PL.
INSERTION LOSS
VSWR
.180
TYP.
100
80
60
40
20
0
1000
100
10
.305 TYP.
.150 TYP.
1.360
NOTES:
1. TRACE WIDTH IS SHOWN FOR FR4 WITH DIELECTRIC THICKNESS:
.025” ± .002”. COPPER: 1/2 OZ. EACH SIDE.
FOR OTHER MATERIALS TRACE WIDTH MAY NEED TO BE MODIFIED.
1.40
1.30
1.20
1.10
1.00
4.2
4.0
3.8
3.6
3.4
2. BOTTOM SIDE OF THE PCB IS CONTINUOUS GROUND PLANE.
DENOTES PCB COPPER LAYOUT WITH SMOBC
(SOLDER MASK OVER BARE COPPER)
72 73 74 75 76 77 78
72 73 74 75 76 77 78
DENOTES COPPER LAND PATTERN FREE OF SOLDER MASK
1
0
125
250
375
500
625
750
0
125
250
375
500
625
750
FREQUENCY (MHz)
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
REV. A
M151121
EDR-8917/1AUF1
BPF-A75+
URJ/RAV
161102
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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