All-
Recently picked up an HP 741B, a cousin of the 740B. Wondered if anyone had
ever heard of/used/owned this particular model? Strikes me as somewhat of an
odd beast in that it shares the same reference oven, production period and
ostensibly similar niche as the 740, with the notable
I am working on a voltage reference deisgn that will go into an oven for
the highest stability. I am looking for a good insulation material that
can stand high temperatures safely (up to 80C). Looking at some HP
frequency standard ovens I see a hard, light-weight insulation material of
some type
You might look at AeroGel. Example here.
http://www.ebay.com/itm/Aspen-Aerogel-SPACELOFT-Insulation-Hydrophobic-Mat-10-x-14-Sample-10mm-/171203844436?pt=LH_DefaultDomain_0hash=item27dc8b5954
- Original Message -
From: Randy Evans randyevans2...@gmail.com
To: volt-nuts@febo.com
Randy wrote:
I am working on a voltage reference deisgn that will go into an oven for
the highest stability. I am looking for a good insulation material that
can stand high temperatures safely (up to 80C). Looking at some HP
frequency standard ovens I see a hard, light-weight insulation
