modify power supply of Buccaneer of Andy Flind

[Marcello]

Would someone know how to tell me that change needs to do to the circuit of Power supply of the buccaneer of Andy Flind if to the place of D4 I put a diode zener from 2 Volt?
the D4 I don't succeed in finding him in commerce.
Thanks.

[Reg Sniff]

Re: modify power supply of Buccaneer of Andy Flind

Hi Marcello,

If you are using a 2 Volt zener instead of the 1.2V reference then you will have to change R33 from a 12K to a 24K. That should work.

Reg

[Reg Sniff]

Re: modify power supply of Buccaneer of Andy Flind

Hi Again,

If you want to use a different zener, lets say a 3V, then you would have to select R33 to have a voltage drop across it to be 3V. In other words for a 3V zener then, 3V=6v(R33)/(R33+R32).

Reg

[Marcello]

Re: modify power supply of Buccaneer of Andy Flind

Thanks, everything has worked.