Difference: PowerMeasurements900 (1 vs. 3)

Revision 304 Dec 2006 - Main.ShibaniBhattacharya

 
META TOPICPARENT name="NmrStaffnotes"
Contents
Changed:
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<

Power Measurements for 900#2

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>

Power Measurements for 900#1

 

Low Power

The low power measurements were done with 1GHz oscilloscope via 1m RG241 cable. The high power measurements were done with power meter via approx. 40dB attn. The data in the tables is corrected for attenuation.

Low power measurements: As of 5/20/05

Nucleus SGU1 output SGU2 output SGU3 output SGU4 output Router 2 output Amplifier input
13C 996/1.03V         1.02/1.05V
1H   780/842mV       764/825mV - 50W amp input, 684/738mV - 1000W amp input
15N     996/1.02mV   1.37/1.40V 1.65/1.68V
2H       960/980mV 1.09/1.11V 1.18/1.20/1.15/1.17V

High Power

High power measurements: As of 5/20/05

Measurement description BLAX1 (13C), W BLAH1000, Wdown BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB with attenuation 8dB, 380/437; 0dB 660/765W 0dB 750/1035 0dB 42/46 5dB, 830/904 0dB 386/436
amplifier output @ -6dB no attenuation 1220/1400 750/1035 42/46 1800/1960 386/436
probe input @ -6dB with attenuation through 13C hr preamp 211/242 no preamp 360/497 through 1H LNA 18/20 @-5dB through 15N hr preamp 497/540 through 2H preamp 100/113

  • Set ALLOWTOPICVIEW =

-- MichaelGoger - 13 Dec 2005

Revision 204 Dec 2006 - Main.ShibaniBhattacharya

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

Power Measurements for 900#1

Low Power

The low power measurements were done with 1GHz oscilloscope via 1m RG241 cable. The high power measurements were done with power meter via approx. 40dB attn. The data in the tables is corrected for attenuation.

Low power measurements: As of 5/20/05

Nucleus SGU1 output SGU2 output SGU3 output SGU4 output Router 2 output Amplifier input
13C 996/1.03V         1.02/1.05V
1H   780/842mV       764/825mV - 50W amp input, 684/738mV - 1000W amp input
15N     996/1.02mV   1.37/1.40V 1.65/1.68V
2H       960/980mV 1.09/1.11V 1.18/1.20/1.15/1.17V

High Power

High power measurements: As of 5/20/05

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB no attenuation 1220/1400 750/1035 42/46 1800/1960 386/436
amplifier output @ -6dB with attenuation 8dB, 380/437; 0dB 660/765W 0dB 750/1035 0dB 42/46 5dB, 830/904 0dB 386/436
probe input @ -6dB with attenuation through 13C hr preamp 211/242 no preamp 360/497 through 1H LNA 18/20 @-5dB through 15N hr preamp 497/540 through 2H preamp 100/113

  • Set ALLOWTOPICVIEW =

-- MichaelGoger - 13 Dec 2005

>
>		Contents

Power Measurements for 900#2

Low Power

The low power measurements were done with 1GHz oscilloscope via 1m RG241 cable. The high power measurements were done with power meter via approx. 40dB attn. The data in the tables is corrected for attenuation.

Low power measurements: As of 5/20/05

Nucleus SGU1 output SGU2 output SGU3 output SGU4 output Router 2 output Amplifier input
13C 996/1.03V         1.02/1.05V
1H   780/842mV       764/825mV - 50W amp input, 684/738mV - 1000W amp input
15N     996/1.02mV   1.37/1.40V 1.65/1.68V
2H       960/980mV 1.09/1.11V 1.18/1.20/1.15/1.17V

High Power

High power measurements: As of 5/20/05

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB no attenuation 1220/1400 750/1035 42/46 1800/1960 386/436
amplifier output @ -6dB with attenuation 8dB, 380/437; 0dB 660/765W 0dB 750/1035 0dB 42/46 5dB, 830/904 0dB 386/436
probe input @ -6dB with attenuation through 13C hr preamp 211/242 no preamp 360/497 through 1H LNA 18/20 @-5dB through 15N hr preamp 497/540 through 2H preamp 100/113

  • Set ALLOWTOPICVIEW =

-- MichaelGoger - 13 Dec 2005

Revision 113 Dec 2005 - Main.MichaelGoger

 
META TOPICPARENT name="NmrStaffnotes"
Contents

Power Measurements for 900#1

Low Power

The low power measurements were done with 1GHz oscilloscope via 1m RG241 cable. The high power measurements were done with power meter via approx. 40dB attn. The data in the tables is corrected for attenuation.

Low power measurements: As of 5/20/05

Nucleus SGU1 output SGU2 output SGU3 output SGU4 output Router 2 output Amplifier input
13C 996/1.03V         1.02/1.05V
1H   780/842mV       764/825mV - 50W amp input, 684/738mV - 1000W amp input
15N     996/1.02mV   1.37/1.40V 1.65/1.68V
2H       960/980mV 1.09/1.11V 1.18/1.20/1.15/1.17V

High Power

High power measurements: As of 5/20/05

Measurement description BLAX1 (13C), W BLAH1000, W BLAH50 BLAX2 1000 (15N), W BLAX3 300(2H), W
amplifier output @ -6dB no attenuation 1220/1400 750/1035 42/46 1800/1960 386/436
amplifier output @ -6dB with attenuation 8dB, 380/437; 0dB 660/765W 0dB 750/1035 0dB 42/46 5dB, 830/904 0dB 386/436
probe input @ -6dB with attenuation through 13C hr preamp 211/242 no preamp 360/497 through 1H LNA 18/20 @-5dB through 15N hr preamp 497/540 through 2H preamp 100/113

  • Set ALLOWTOPICVIEW =

-- MichaelGoger - 13 Dec 2005

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