31 Jan
2009
31 Jan
'09
10:51 a.m.
On 30 Jan 2009 at 16:41, Roy J. Tellason wrote:
Which would be curious if true, since no standard PDP11/40 used an SMPSU.
Switching _regulators_, sure, but the PSU starts with a large
mains-frequency transofrmer, which is not going to have much of an HF
response.
Howev,er I read the article as that the author had run some simulation
software on an 11/40 to study the preformace of another PSU. And that
makes a lot mroe sense.
-tony
Eh? Why would it do that?
Read about it:
http://www.smpstech.com/filter00.htm
Interestingly, the real-world example cited is the addition of an=20
input filter to a PDP 11/40...