Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Battery PSU on the bench. Schematic?

Status
Not open for further replies.

neazoi

Advanced Member level 5
Joined
Jan 5, 2008
Messages
3,703
Helped
13
Reputation
26
Reaction score
9
Trophy points
1,318
Location
Greece
Activity points
33,991
Hello,
The battery is the cleanest PSU of all and for RF and small signal work this does matter. Since some of my projects are based on RF stuff, I mainly experience the effects of non-battery based PSUs on them, so I have decided to build a lead acid battery PSU that will be able to handle a few Amps.

Is there anyone that has done this before? Any schematics?

I am interested in a variable PSU. I think I am going to connect two lead acid 12v batteries in series, so I can obtain a negative-GND-positive rail.
Two main issues here. How should I adjust the voltage of this negative-GND-positive rail, so I can have a variable voltage PSU?
Also can current limiting be applied and how?
Will the "cleanness" of this battery PSU be affected by the series regulator or not?
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top