Re: 1A5 with FET input
For what it's worth, I compared the 1967 and 1969 cal procedures, and there's not enough difference to prove a major circuit change at 90000.toggle quoted messageShow quoted text
I don't know why they mentioned it.
From: TekScopes@groups.io [mailto:TekScopes@groups.io] On Behalf Of Albert Otten
Sent: Friday, September 27, 2019 8:59 AM
Subject: Re: [TekScopes] 1A5 with FET input
On Fri, Sep 27, 2019 at 05:22 PM, bobkrassa wrote:
Those schematics are in tek-1a5.pdf and it seems that the 1a5 always had the fet input. There are 2 7586 nuvistors in the output stage, V164/264.