Difference: PowerMeasurements900us2 (1 vs. 4)

Revision 401 Mar 2007 - Main.BorisItin

 
META TOPICPARENT name="NmrStaffnotes"
Contents

Power Measurements for 900us2

High Power

High power measurements: As of 7/06

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
Changed:
<
<
amplifier output @ -6dB no attenuation 1070/1134 --/-- 66.4/73 2190/2256 520/536
>
>
amplifier output @ -6dB no attenuation 1070/1134 ---/--- 66.4/73 2190/2256 520/536
 
amplifier output @ -6dB with attenuation 3dB, 608/645 --/-- 0dB, 66/73 5dB, 1280/1318 0dB, 520/536
Changed:
<
<
probe input @ -6dB with attenuation 4dB, 375 --/-- 0dB, 32 8dB, 415 0dB, 132
>
>
probe input @ -6dB with attenuation 4dB, 375 0 attn 538/745 0dB, 32 8dB, 415 0dB, 132
 
Pulse lengths (Z5652/0006) 11us @ -5dB --/-- 9.85us @ -1.7dB 40us @ -5dB 115us @ -3.5dB

JCR increased the inline attenuation for 13C/15N to limit power into the preamplifiers (~500W).

  • Set ALLOWTOPICVIEW =

-- ShibaniBhattacharya - 04 Dec 2006

Revision 304 Dec 2006 - Main.ShibaniBhattacharya

 
META TOPICPARENT name="NmrStaffnotes"
Contents
Changed:
<
<

PowerMeasurements900us2

>
>

Power Measurements for 900us2

Deleted:
<
<

Sublevel topic

subsub level topic

 

High Power

High power measurements: As of 7/06

Measurement descriptionup BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
Pulse lengths (Z5652/0006) 11us @ -5dB --/-- 9.85us @ -1.7dB 40us @ -5dB 115us @ -3.5dB
probe input @ -6dB with attenuation 4dB, 375 --/-- 0dB, 32 8dB, 415 0dB, 132
amplifier output @ -6dB with attenuation 3dB, 608/645 --/-- 0dB, 66/73 5dB, 1280/1318 0dB, 520/536
amplifier output @ -6dB no attenuation 1070/1134 --/-- 66.4/73 2190/2256 520/536

JCR increased the inline attenuation for 13C/15N to limit power into the preamplifiers (~500W).

  • Set ALLOWTOPICVIEW =

-- ShibaniBhattacharya - 04 Dec 2006

Revision 204 Dec 2006 - Main.ShibaniBhattacharya

 
META TOPICPARENT name="NmrStaffnotes"
Contents
Changed:
<
<

Name of the topic

>
>

PowerMeasurements900us2

 

Sublevel topic

subsub level topic

High Power

High power measurements: As of 7/06

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB no attenuation 1070/1134 --/-- 66.4/73 2190/2256 520/536
amplifier output @ -6dB with attenuation 3dB, 608/645 --/-- 0dB, 66/73 5dB, 1280/1318 0dB, 520/536
probe input @ -6dB with attenuation 4dB, 375 --/-- 0dB, 32 8dB, 415 0dB, 132
Pulse lengths (Z5652/0006) 11us @ -5dB --/-- 9.85us @ -1.7dB 40us @ -5dB 115us @ -3.5dB

JCR increased the inline attenuation for 13C/15N to limit power into the preamplifiers (~500W).

  • Set ALLOWTOPICVIEW =

-- ShibaniBhattacharya - 04 Dec 2006

Revision 104 Dec 2006 - Main.ShibaniBhattacharya

 
META TOPICPARENT name="NmrStaffnotes"
Contents

Name of the topic

Sublevel topic

subsub level topic

High Power

High power measurements: As of 7/06

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB no attenuation 1070/1134 --/-- 66.4/73 2190/2256 520/536
amplifier output @ -6dB with attenuation 3dB, 608/645 --/-- 0dB, 66/73 5dB, 1280/1318 0dB, 520/536
probe input @ -6dB with attenuation 4dB, 375 --/-- 0dB, 32 8dB, 415 0dB, 132
Pulse lengths (Z5652/0006) 11us @ -5dB --/-- 9.85us @ -1.7dB 40us @ -5dB 115us @ -3.5dB

JCR increased the inline attenuation for 13C/15N to limit power into the preamplifiers (~500W).

  • Set ALLOWTOPICVIEW =

-- ShibaniBhattacharya - 04 Dec 2006

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