Outline and Dimensions

R2

R1

RG

RF

SSG

R1+RG=R2=3.0kOhm

Insertion Loss = 2xlog(E1/2E2)

1

2

3

E2

E1

LPB 450J

450±2.0kHz

5.5±1.5kHz

17dB min.

6dB max.

(23)

(3)

Centre

Frequency

(fo)

Part

Number

3dB

Bandwidth

Selectivity

(±9kHz off)

90

85T

2

3

1

5

4

2

1

3

2

6

4

67T

23T

180pF

Unloaded Qu

Tuning Capacity

2

1

3

2

6

4

33T

98T

84T

65

180pF

Item

7mm x 7mm IFT

5mm x 5mm IFT

Insertion Loss

(dB) max.

Recommended IFT Specifications

9.0

5.0

3.5

2.6

2.5

Connections

1

2

3

Input

Ground

Output

12

3

2.5

( ) = typical values

SPECIFICATION

LPB-J CERAMIC FILTERS

AM use - 2 Element

TEST CIRCUIT

ELECTRICAL CHARACTERISTICS

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk