# HG changeset patch # User David Douard # Date 1460911324 -7200 # Node ID 26e34edd2984952f20caff44bdda389d121bbd6b # Parent 0a7b1c6b1796aef8da2f20f82c26440b721b66e7 [LPD422FM] typos diff -r 0a7b1c6b1796 -r 26e34edd2984 content/LPD422FM.rst --- 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.