Mars Kit 2 Mk 2 update

[Mars]

Hi All

I decided to look at the Kit 2 PSU design for possible improvements. The idea was to offer better value for money without changing the design too drastically. Here are the results:

Updated schematic

Here is an screenshot of the PSU simulation:

Changes:

[list type=decimal]
[*]Power transformer - designed for 230V AC - HT secondary output voltage (no load) 340VAC
[*]Inductor and capacitor added to improve regulation and remove diode noise
[*]filter capacitances changed
[*]Inductor and capacitor added to improve regulation and remove diode noise
[*]9V 100mA secondary added for phono preamp or bluetooth receiver
[/list]

Here is the specifications of the PT (operating at 0.9 Tesla) :

 

[fredeb]

 

[Family_Dog]

 

[Mars]