Re: RF circuit design.

On Wed, 25 Jan 2006 22:14:45 GMT, Joerg
<notthisjoergsch@xxxxxxxxxxxxxxxxxxxxx> wrote:

>Hello Rob,
>
>
>> I am trying to learn a bit of RF circuit design , mostly for interest
>> sake. I would like to model
>> some small signal amplifier circuits that I will be "designing" as it
>> were. ...
>
>
>Just my two cents: Place the emphasis on designing and building.
>Simulations are nice but their value is often inversely proportional to
>the frequency. At a GHz or so parasitic component values can render a
>SPICE simulation useless. Except when designing chips, but that's a
>whole other topic.
>
>Regards, Joerg
>
>http://www.analogconsultants.com

Yes.

I recently did a successful design at 2.2GHz, and have done one at
3.8GHz that needed only a mild amount of tweaking... predicting spiral
inductors is black art ;-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

It's what you learn, after you know it all, that counts.
.