Subject: | |
From: | |
Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 26 Aug 1999 16:13:18 +0000 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
Ken-
If this is a surface microstrip? Depending on the w/h ratio and more
importantly the line width, and material type
tighter tolerances can be achieved.
I agree with Dave it can be expensive, given the wrong sets of circumstances.
At 02:50 PM 8/26/99 -0700, you wrote:
>Experts,
>We have couple of RF boards which are relatively new to us. Many times, we
>have to replace passive components to make it work. Hence, I have this
>hypothetical question for you. Is it due to not having correct impedance
>value even though measured value on coupon falls within 50+/-10 ohms%? Do
>you think we may to have tighten our current impedance specification
>(50+/-10 ohms%) if there is a relationship?
>
>Being a mechanical kind of guy this question may sound stupid! Hope to hear
>from many of you.
>
>re,
>ken patel
>______________________________________________________
>Ken Patel Phone: (408) 490-6804
>1708 McCarthy Blvd. Fax: (408) 490-6859
>Milpitas, CA 95035 Beeper: (888) 769-1808
>
>##############################################################
>TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
>##############################################################
>To subscribe/unsubscribe, send a message to [log in to unmask] with
following text in
>the body:
>To subscribe: SUBSCRIBE TECHNET <your full name>
>To unsubscribe: SIGNOFF TECHNET
>##############################################################
>Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
>information.
>If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
>847-509-9700 ext.5365
>##############################################################
>
Ian A. McMillan
Engineer
Herco Technology
##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe: SUBSCRIBE TECHNET <your full name>
To unsubscribe: SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################
|
|
|