FEATURES

RXD TECHNOLOGIES, LLC., 15004 W. 106TH, Lenexa, KS 66215

913-307-0188 FAX 913-307-0504

Visit us online at www.rxdtech.com

800-228-8108

53

FEATURES

• Ultra small size

• 6.3 mm profile

• Broad bandwidth

• High selectivity

• 6 elements

Ultra small size high selectivity type ceramic filter for

communication use.

6 ELEMENT CERAMIC FILTER

7.1

9.5

6.4

3

4

5

2

1

Connection

Input

Ground

Output

Ground

Ground

3

4

5

2

1

2.6

2.9

7.1

Figure 1) LTM450W – Front, Side and Bottom views

CENTER

INSERTION

PASS BAND

6 dB

50 dB

STOP BAND ATT.

INPUT / OUTPUT

PART NUMBER

FREQUENCY

LOSS

RIPPLE

BANDWIDTH

BANDWIDTH

±100KHZ

IMPEDANCE

(KHz)

(dB) MAX.

(dB) MAX.

(KHz) MIN.

(dB) MAX.

(dB) MIN.

(

Ω)

LTM450BW

450 ±2.0

4

2

±15

±30

45

1500

LTM450CW

450 ±2.0

4

2

±12.5

±24

45

1500

LTM450DW

450 ±1.5

4

2

±10

±20

45

1500

LTM450EW

450 ±1.5

6

2

±7.5

±15

45

1500

LTM450FW

450 ±1.5

6

2

±6

±12.5

45

2000

LTM450GW

450 ±1.5

6

2

±4.5

±10

45

2000

LTM450HW

450 ±1.0

6

2

±3

±9

55

2000

LTM450IW

450 ±1.0

6

2

±2

±7.5

55

2000

LTM450HTW

450 ±1.0

6

2

±3

±9

60

2000

LTM450ITW

450 ±1.0

6

2

±2

±7.5

60

2000

Note: To avoid potential problems, connect the output to an IF amplifier

through a DC cut capacitor.

Avoid applying a direct current to output end of the ceramic filters (between

∞ and ≠¬Ø).

Rg

Rg+R1=R2=input/output impedance

S.S.G.

LTM

V.M.

RF

R2

1

2

3

4

5

Figure 2) LTM450W – Measuring Circuit

Frequency (KHz)

0

10

20

30

40

50

60

410

420

430

440

450

460

470

480

490

500

LTM450BW

LTM450EW

LTM450HW

Figure 3) LTM450W – Characteristics

OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS

PACKAGE DIMENSIONS (mm)