Ring modulators / some comments

[Paul Perry]

At 10:37 AM 16/11/99 +0100, Martin Czech  wrote:

>It makes a difference to use other band gap materials as well, ie.
>Si or Ge (OA something) diodes (the later are seldom now), or even shottky
>(BAT42).
>
Maybe you want, a transfer function as close to a square law as possible.
I think Ge would definitely give the best results.

Plenty of people sell 1N34A diodes for $1 or so.
If you hunt surplus, you can get below 20cents.

paul perry Melbourne Australia