[Techtoolslist] Updating - W-G 6100 Vector Monitor FAQ & Guide V1.1

John Robertson jrr at flippers.com
Wed Dec 6 17:26:23 EST 2023


Who is maintaining this?

I ask because on page 8 there is a typo - that I've only just realized 
when I was going through trying to update my WG monitors as we have a 
pair of SWs that are running WGs (with the LV2000 kits).

It says "R701 (1.3K) changed from +/-2%, 1/4W to +/-1%, *5*W.(*)"

That can't be right, I am certain it should instead say:

"R701 (1.3K) changed from +/-2%, 1/4W to +/-1%, *_0._5*W.(*)"

and it would be clearer with:

"R701 (1.3K) changed from +/-2%, 1/4W to +/-1%, _*1/2*_W.(*)"

It makes no sense otherwise. There simply can't be enough current for a 
5W resistor as this is ground biasing the base of a small signal transistor.

Then there is the question of Q604/Q704 (MPSU07) transistors upgraded to 
TO-202 (NTE-49) which looks like another problem as there is no NTE-49 
and hasn't been for decades. That was the same as the ECG-49, which was 
a NPN-Si, 125Vcbo, 2A, Gen Purpose TO-202. Anyone have a workable 
replacement to save me the lookup time?

I'm thinking a Rv1.2 is overdue...

John :-#)#

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