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Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications

and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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.

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IF/RF MICROWAVE COMPONENTS

50Ω1790to1920MHz

Coaxial

VBF-1855+

Bandpass Filter

Applications

• HarmonicRejection

• Transmitters/Receivers

Features

• Smallsize

• Temperaturestable

• Ruggedunibodyconstruction

+ RoHS compliant in accordance

with EU Directive (2002/95/EC)

The +Suffix has been added in order to identify RoHS

Compliance. See our web site for RoHS Compliance

methodologies and qualifications.

VBF-1855+

INSERTION LOSS

0

20

40

60

1300

1820

2340

2860

3380

3900

FREQUENCY (MHz)

VBF-1855+

INSERTION LOSS

0

20

40

60

80

100

0

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

1.0

2.0

3.0

4.0

5.0

1800

1850

1900

1950

VBF-1855+

VSWR

1

100

10000

0

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

1.0

2.0

3.0

1800

1850

1900

1950

*Passbandrating,deratelinearlyto0.25Wat100°Cambient

Permanentdamagemayoccurifanyoftheselimitsareexceeded.

REV.B

M129173

VBF-1855+

AD/CP/AM

101007

Maximum Ratings

OperatingTemperature

-55°Cto100°C

StorageTemperature

-55°Cto100°C

RFPowerInput*

1.5Wmax.at25°C

B

D

E

wt

.410

1.43

.312 grams

10.41 36.32

7.92

10.0

Outline Dimensions (

)

inch

mm

CASESTYLE:FF704

Connectors

Model

Price

Qty.

SMA

VBF-1855+ $34.95ea. (1-9)

Frequency

(MHz)

Insertion Loss

(dB)

VSWR

(:1)

Typical Performance Data at 25°C

0.30

67.54

1012.60

300.00

29.56

96.71

500.00

39.87

80.77

1000.00

34.53

59.27

1200.00

37.32

48.68

1400.00

26.13

29.80

1500.00

14.77

15.06

1800.00

1.74

1.53

1920.00

1.94

1.56

2410.00

14.03

29.22

2802.00

20.15

47.26

3900.00

35.44

43.70

4200.00

43.45

40.72

4800.00

39.10

36.62

5700.00

26.57

20.16

Electrical Specifications at 25°C

Typical Frequency Response

Functional Schematic

RF IN

RF OUT

Parameter

F#

Frequency (MHz)

Min.

Typ.

Max.

Unit

Pass Band

CenterFrequency

—

—

—

1855

—

MHz

InsertionLoss

F1-F2

1790-1920

—

—

3.0

dB

VSWR

F1-F2

1790-1920

—

—

2.5

:1

Stop Band, Lower

InsertionLoss

DC-F3

DC-1400

—

20

—

dB

VSWR

DC-F3

DC-1400

—

25

—

:1

Stop Band, Upper

InsertionLoss

F4-F5

3700-5500

—

25

—

dB

VSWR

F4-F5

3700-5500

—

20

—

:1

F4

F2

F1

F3

FREQUENCY (MHz)

DC

F5

Outline Drawing

.312 Across Flats

in some models