Mercurial > whatever / changeset

--- a/content/LPD422FM.rst	Sun Apr 17 18:12:25 2016 +0200
+++ b/content/LPD422FM.rst	Sun Apr 17 18:42:04 2016 +0200
@@ -12,11 +12,12 @@
 .. image:: {filename}/images/lambda/lpd422fm_overall.jpg
    :alt: The Lambda LPD 422 FM dual regulated power supply.
 
-It's an old unit, not sure exactly it's exact age, but the components
-inside the unit seem to hase date codes around 1971/1972. So my unit
-is probably from the late 1972. (One of the available user manual on
-the internet seems to be dated from 1987n but it's for the "A"
-version.)
+It's an old unit, not sure it's exact age, but the components inside
+the unit seem to have date codes around 1971/1972. So my unit is
+probably from the late 1972 (older than me!). This series of power
+supplies seem to have been built for a very long period, since one of
+the available user manual on the internet seems to be dated from 1987
+(but it's for the "A" version).
 
 Overview
 ========
@@ -146,7 +147,12 @@
 
 It's quite out of spec: ripple should be less than 500µVrms and
 1.5mVpp, but it's not really a surprise considering the age (over 40
-years old!) of the PSU. A future recap may improve its performances to
-its original specifictions.
+years old!) of the PSU. A future recap may improve its performances
+back to its original specifictions.
 
+I also plan to replace the banana jacks on the front panel (their
+barrels are very short, less than 1cm: I cannot plug a standard banana
+plug more than half its lenght). I may also try to bring the remote
+sensor plugs on the front panel (with a pair of easy to set or remove
+jumps): I like to have the sense terminals ready to use.