Difference: PowerMeasurements900 (2 vs. 3)

Revision 304 Dec 2006 - Main.ShibaniBhattacharya

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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, 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

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