40 dB

20 dB

3 dB

1 dB

FREQUENCY / Fco

DC

0.9 1

1.35

1.75

3

40 dB

20 dB

2

20 dB

40 dB

DC

0.85 1

1.6

2.5

30/25

REV. B

M151121

EDU0937

LPFD-7080+

URJ

161017

Page 1 of 3

Maximum Ratings*

Operating Temperature

Storage Temperature

RF Power Input

0.5W Max

LPFD-7080+

Low Pass Filter Electrical Specifications (T

O

C)

Features

• High rejection

• Sharp insertion loss roll off

• Good VSWR, 1.2:1 typ.@ passband

• Small size dual filter, 0.5" x 0.5"

• Aqueous washable

Typical Frequency Response

(for each of filter)

Functional Schematic

50Ω

Passband DC to 70 MHz & DC to 80 MHz

Dual Low Pass Filter

Metal Shield

Pin Connections

RF IN 1

2 (Filter 1)

RF OUT 1

14 (Filter 1)

RF IN 2

6 (Filter 2)

RF OUT 2

10 (Filter 2)

GROUND

1,3,4,5,7,8,9,11,12,13,15,16

CASE STYLE: DV874

Filter 1

Filter 2

Cross Over

Filter 1 Filter 2

Freq.

I. Loss

R. Loss

I. Loss

R. Loss

Isolation

Freq.

Group Delay

(MHz)

(dB)

(dB)

(dB)

(dB)

(dB)

(MHz)

(nSec)

x

σ

x

σ

between filters 1 & 2

0.5

0.25

0.01

29.65

0.23

0.01

30.43

91.07

1.0

8.71

7.70

10.0

0.31

0.01

24.16

0.26

0.01

28.06

85.80

3.5

7.24

6.22

70.0

1.01

0.03

16.31

0.70

0.01

23.57

62.72

5.0

7.26

6.21

80.0

2.77

0.18

5.81

0.93

0.02

20.26

60.18

10.0

7.16

6.16

93.0

8.78

0.36

1.59

2.99

0.15

5.76

61.51

15.0

7.22

6.20

95.0

9.87

0.37

1.36

3.63

0.17

4.73

62.07

20.0

7.29

6.24

100.0

12.58

0.37

0.99

5.58

0.21

2.94

63.67

25.0

7.39

6.31

135.0

28.39

0.32

0.39

20.92

0.20

0.53

71.02

30.0

7.54

6.39

140.0

30.25

0.32

0.36

22.79

0.19

0.48

71.15

35.0

7.72

6.51

155.0

35.43

0.30

0.29

27.92

0.17

0.36

71.62

40.0

7.94

6.63

200.0

48.59

0.27

0.20

40.20

0.15

0.22

70.58

45.0

8.20

6.78

250.0

61.85

0.26

0.17

50.46

0.37

0.18

69.69

50.0

8.51

6.93

300.0

79.88

0.69

0.14

58.56

0.82

0.13

68.75

55.0

8.94

7.13

500.0

74.18

2.26

0.14

80.02

3.37

0.09

66.98

60.0

9.62

7.36

1000.0

67.53

0.49

0.21

78.51

0.58

0.16

67.67

66.0

10.89

7.81

1500.0

66.18

2.87

0.26

71.46

1.54

0.23

50.65

70.0

12.01

8.28

2000.0

60.25

4.58

0.27

57.38

1.46

0.26

43.79

75.0

13.20

9.10

2500.0

56.20

7.32

0.31

47.80

1.38

0.29

39.95

80.0

13.27

10.14

RF IN 1

RF IN 2

RF OUT 1

RF OUT 2

Filter 1

Filter 2

STRUCTURE PASSBAND fco, MHz

STOPBAND

CROSS OVER

VSWR (:1)

(MHz)

Nom.

(MHz)

ISOLATION

(dB)

Passband Stopband

(Loss < 2dB) (Loss 3dB) (Loss > 20dB) (Loss > 40dB)

Typ.

Typ.

Typ.

Filter 1

DC - 70

80

135 - 200

200 - 2500

60

1.2

20

Filter 2

DC - 80

93

155 - 250

250 - 2500

1.2

20

Permanent damage may occur if any of these limits are exceeded.

*Ratings are for each of the two filters in the package.

Applications

• Wireless communications

• Receivers / Transmitters

Outline Dimensions (

)

inch

mm

Outline Drawing

TOP SIDE

BOTTOM SIDE

SIDE VIEW

PCB Land Pattern

Suggested Layout,

Tolerance to be within ±.002

METALLIZATION

SOLDER RESIST

A

B

C

D

E

F

G

H

J

.500 .500 .195 .100 .080 .115 .060 .040 .540

12.70 12.70 4.95 2.54 2.03 2.92 1.52 1.02 13.72

K

L

M

N

P

Q

R

S

wt.

.060 .100 .135 .135 .115 .140 .070 .150 grams

1.52 2.54 3.43 3.43 2.92 3.56 1.78 3.81

1.0

Demo Board MCL P/N: TB-686

Suggested PCB Layout (PL-374)

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

+RoHS Compliant

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for RoHS Compliance methodologies and qualifications