9 Feb
2009
9 Feb
'09
1:58 p.m.
Tony Duell wrote:
Worse than that, as you mention in passing, in some
designs the battery
acts as a shunt regulator and stabilises the votlage on one of the main
supply lines.
The Microwriter does this, with four NiCad cells acting as a
"5V regulator". Naturally, my Microwriter came with four dud cells,
but I only paid a pound for it at a Bristol car boot sale!
There's a photo of it on my "Organisers" page:
http://www.gifford.co.uk/~coredump/org.htm
--
John Honniball
coredump at gifford.co.uk