• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering.

C31E.pdf

Mar.28,2011

82

10

20

30

40

50

60

70

300

400

500

600

700

800

900

1000

Frequency (MHz)

Frequency (MHz)

Frequency (MHz)

10

20

30

40

50

60

70

300

400

500

600

700

800

900

1000

Initial

10

20

30

40

50

60

70

300

400

500

600

700

800

900

1000

Initial

BLM18AG102SN1

2000

1500

1000

500

0

10

1

100

1000

2000

BLM18HG102SN1

BLM18AG102SN1

Frequency (MHz)

74HC00

74AC04

74HCU04

10MHz

Measured radiation at 3m distance

BLM

Noise Suppression of BLM18H

in UHF Range

Type of Filter

EMI Suppression Effect / Description

Comparison between BLM18HG102SN1 and BLM18AG102SN1 (Current Item)

Initial

(No filter)

Conventional Type

BLM18AG102SN1

(1000

Ω at 100MHz)

for GHz Noise Suppression

BLM18HG102SN1

(1000

Ω at 100MHz)

Testing Circuit

Current BLM18AG are effective in

suppressing noise in the range between

300MHz and 700MHz.

In addition to the effectiveness of

current BLM, BLM18HG suppresses

noise in the range beyond 700MHz.

BLM18H Series

EMI

Suppression

Effect