BLM21AG601SN1

Manufacturer Part NumberBLM21AG601SN1
ManufacturerMurata
BLM21AG601SN1 datasheet
 


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Page 53/163:

Waveform Distortion Suppressing

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!Note
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
!Note
This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specificaions before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
EMI Suppression Effect
Noise Suppression Effect of BLM_R Series
!Waveform Distortion Suppressing
Performance of BLM--R Series
1
Type of Filter
Signal waveform (100nsec/div, 2V/div)
Initial
(No filter)
Ringing is caused on the signal waveform.
Such ringing contains several hundred MHz harmonic components and generates noise.
Signal waveform (100nsec/div, 2V/div)
Resister (47 ) is used
Comparing initial waveform, ringing is suppressed a little.
However there still remains high level waveform distortion.
Signal waveform (100nsec/div, 2V/div)
BLM18RK221SN1
(220 at 100MHz)
is used
BLM18R has excellent performance for noise suppression and waveform distortion suppression.
BLM18R suppresses drastically not only spectrum level in more than 100MHz range but waveform distortion.
52
[Measuring Circuits]
AC04
Filter
Pattern 20cm
1MHz
EMI Suppression Effect / Description
Expand (10nsec/div, 2V/div)
Spectrum
85
80
75
70
65
60
55
50
45
30
50
Expand (10nsec/div, 2V/div)
Spectrum
85
80
75
70
65
60
55
50
45
30
50
Expand (10nsec/div, 2V/div)
Spectrum
85
80
75
70
65
60
55
50
45
30
50
C31E9.pdf 03.3.12
Measuring Point
AC00
100
150
200
250
300
Frequency [MHz]
100
150
200
250
300
Frequency [MHz]
100
150
200
250
300
Frequency [MHz]