50Ω

DC to 1750 MHz

Maximum Ratings

Ceramic

DLFCV-1750+

Dual Low Pass Filter

Applications

• Military Radio communication

• VHF/UHF transmitters/receivers

• Harmonic rejection

• Output of the A/D convertor

Features

• Low insertion loss

• Small size

• Excellent return loss

• High rejection

CASE STYLE: JV1210C-6

Pin Connections

Typical Performance Data at 25°C

* Passband rating, derate linearly to 1.5W at 85°C ambient. Perma-

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

REV.OR

M172179

EDU3401

DLFCV-1750+

URJ

190311

Page 2 of 4

RF IN 1

RF IN 2

RF OUT 1

RF OUT 2

Filter 1

Filter 2

Functional Schematic

Outline Dimensions (

)

inch

mm

Outline Drawing

A

.126

3.20

B

.098

2.50

C

.039

1.00

D

.004

0.10

E

.022

0.56

F

.016

0.40

G

.039

1.00

H

.035

0.90

J

.200

5.08

K

.170

4.32

L

.103

2.62

M

.048

1.23

N

.052

1.32

P

.066

1.68

Q

.036

0.92

R

.053

1.35

S

.024

0.62

Wt.

grams

0.03

Demo Board MCL P/N: TB-1074+

Suggested PCB Layout (PL-600)

Operating Temperature

-40° to 85°C

Storage Temperature

-55°C to 100°C

RF Power Input*

3 W Max. at 25°C

A±.008

C±.004 MAX

B±.008

D MIN

E TYP

8 x F TYP

G TYP

H

J

K

L

P

Q

R

N

M

G

S

PCB LAND PATTERN

METALLIZATION

SUGGESTED LAYOUT

TOLERANCE TO BE WITHIN ±.002

INDEX

ALPHANUMERIC

MARKING MAY APPEAR

ON THE DEVICE SEE

SPECIFIC MODELS

2

13

4

6

7

5

8

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications

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

Parameter

F#

Frequency (MHz)

Min.

Typ.

Max.

Unit

Pass Band

Insertion Loss

DC-F1

DC-1750

—

1.5

2.5

dB

Freq. Cut-Off

F2

1900

—

3.0

—

dB

Amp Unbalance

DC-F1

DC-1750

—

0.2

—

dB

Pha Unbalance

DC-F1

DC-1750

—

3.0

—

deg

VSWR

DC-F1

DC-1750

—

1.5

—

:1

Stop Band

Insertion Loss

F3-F4

2500-5000

35

50

—

dB

F4-F5

5000-7000

—

33

—

dB

F5-F6

7000-10000

—

25

—

dB

Isolation (between

filters)

F3-F4

2500-5000

—

50

—

dB

VSWR

F3-F4

2500-5000

—

20

—

:1

Typical Frequency Response

F1 F2 F3

FREQUENCY (MHz)

DC

F5

F4

F6

RF IN1, RF IN2

1, 3

RF OUT1, RF OUT2

7, 5

GROUND

2, 4 ,6, 8

Freq.

Insertion Loss Isolation

(between

filters)

VSWR

Freq.

Amp

Unbal.

Phase

Unbal.

Group Delay

Filter1

Filter2

Filter1

Filter2

Filter1

Filter2

(MHz)

(dB)

(dB)

(dB)

(:1)

(:1)

(MHz)

(dB)

(deg)

(ns)

(ns)

10.0

0.11

0.11

87.77

1.02

1.02

10.0

0.003

0.04

0.26

0.28

100.0

0.15

0.16

79.19

1.03

1.04

40.0

0.001

0.00

0.30

0.30

500.0

0.29

0.29

63.93

1.14

1.15

60.0

0.004

0.04

0.30

0.30

1000.0

0.53

0.52

53.94

1.34

1.35

100.0

0.007

0.07

0.30

0.30

1500.0

0.95

0.95

46.85

1.45

1.49

140.0

0.005

0.13

0.30

0.30

1750.0

1.35

1.32

46.48

1.24

1.28

200.0

0.007

0.21

0.30

0.30

1900.0

2.23

2.19

48.56

1.22

1.31

260.0

0.004

0.26

0.30

0.30

1950.0

3.21

3.19

47.55

1.60

1.75

300.0

0.002

0.29

0.30

0.30

2100.0

14.17

13.63

46.63

5.16

5.26

350.0

0.002

0.34

0.30

0.30

2150.0

20.69

19.75

48.93

6.88

6.57

400.0

0.001

0.38

0.30

0.30

2210.0

30.19

28.78

52.62

9.01

8.04

450.0

0.000

0.41

0.31

0.30

2220.0

32.03

30.53

53.38

9.39

8.29

500.0

0.003

0.45

0.31

0.31

2400.0

47.89

46.03

73.63

17.08

14.03

600.0

0.004

0.53

0.32

0.32

2500.0

56.71

52.69

64.96

22.32

18.39

700.0

0.005

0.61

0.33

0.33

4900.0

51.14

55.02

52.53

61.70

66.16

800.0

0.005

0.70

0.34

0.34

5000.0

48.85

49.66

48.84

60.58

64.82

900.0

0.006

0.77

0.36

0.35

5500.0

46.75

48.01

47.55

60.89

62.75

1000.0

0.008

0.85

0.37

0.37

6000.0

43.54

44.63

45.08

58.62

62.63

1250.0

0.008

1.08

0.44

0.44

7000.0

37.35

37.19

41.36

55.74

50.45

1500.0

0.002

1.43

0.57

0.56

8000.0

31.66

30.88

34.28

46.88

45.70

1600.0

0.005

1.67

0.66

0.65

9000.0

28.34

29.22

36.95

150.58

109.47

1700.0

0.013

1.96

0.79

0.78

10000.0

29.69

31.02

40.62

95.46

116.97

1750.0

0.025

2.13

0.88

0.87