[R-390] analization chart

[Flowertime01 at wmconnect.com]

Fellows,

Its a funny name but someone was trying to get a real understanding and 
education.
And made some notes of there studies along the way.

The process was tube power output to z loss going to ground, z loss going 
through the power supply to ground and power lost or transferred to the next 
stage. Along the way you may or may not get some idea of power gain in the tube to 
noise added by the tube.

Where in the amplifier chain is the real signal amplification taking place? 
Where is the amplifier noise being added to the signal? 
Is the first stage the real signal to noise limit point or is the device 
poorly designed?
Where is the sensitivity gained?
Where is the selectivity gained?
Where is the noise added?
Was to much tube used for the stage gain derived?
Was signal power transfer from stage to stage good or poor?

Someone tried to do some real math and I would not throw that paper away.

Roger AI4NI




In a message dated 08-Feb-09 12:34:52 PM Eastern Standard Time, 
wb3fau at att.net writes:


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