Re: Unusual functions of cheap parts

On Thu, 24 Nov 2005 09:40:27 +0100, in sci.electronics.design "Henry
Kiefer" <otc_friend@xxxxxxx> wrote:

>Hi all -
>
>After my first thread going from "standard" cheap parts for up to vhf
>frequency to a discussion about the usefulness of Spice simulator...... I
>try it another time hopefully get attention of frustrated co-readers:
>
>For example the rechtifier diode 1N4007 can be used as a rf switching diode,
>for example as rx/tx-switch. This is because it is a pin structure diode.
>This type is cheap and you can get it almost everywhere. It shows good
>performance for the price. Surely for high-end you should do it with another
>type tuned to the application it is made for. But anyway it works in some
>circuits.
>
>Do you know of other interesting devices or circuits good for misuse?
>
>Best regards -
>Henry
>
Switching a 20 year old 24v weller soldering iron on and off is a good
test for seeing if an 8051 cpu board is EMC proof


martin
.