generating even harmonic distortion...

[ag]

...whats the best (low voltage) way of doing this?

 

[Analog]

...whats the best (low voltage) way of doing this?

Use a JFET.

 

[ag]

ok, will do.

 

[audioguru]

A rectified signal is full of even harmonics.
A JFET produces a little amount of even harmonics, maybe 5%.

 

[Roff]

...whats the best (low voltage) way of doing this?

What do you want to do with them? Do you want distorted audio, or...

 

[Ubergeek63]

how low? the easy way it to just clip the wave with diodes.

Dan

 

[ag]

What do you want to do with them? Do you want distorted audio, or...

Yeah, distorted audio but max even harmonics, minimum odd. It's for a 4 band EQ. I'm trying to get a tube sound with solid state parts.

 

[audioguru]

A vacuum tube smoothly produces about 5% even harmonics distortion. Because the harmonics are smoothed then the high frequency harmonics are not produced.
A FET will sound similar.

An ordinary transistor produces severe even harmonics distortion when the output is fairly high, it has no negative feedback and the input is fed from a low impedance source.