[SBE] H-Pad

[Chuck Bullett]

Chriss-

A wonderful resource, too, btw.

Hope and trust you're well. Will you be at AES this fall? Just curious.

Chuck B.

On Sat, Jun 28, 2008 at 1:52 PM, <chscherer at everestkc.net> wrote:


> When I saw the subject of this message, I was getting ready to note the pad

> calculator page that you found.

>

> There are several other online utilities and converters on the Engineer's

> Notebook page as well:

> http://radiomagonline.com/notebook/

>

> These started from my own collection of notes, but other items have been

> added since then. In a way, this is still my personal collection, but I have

> a convenient place to store them.

>

> The page that Chris found is

> http://radiomagonline.com/notebook/passive_attenuators/

>

> Chriss

>

> ----- Original Message -----

> From: Chris Spacone <cspacone at socal.rr.com>

> Date: Saturday, June 28, 2008 12:12 pm

> Subject: [SBE] H-Pad

>

> > Yesterday, I was working on a cue tone decoder system. I have a

> > stack of DigiCiper IRD's that have a cue tone out but the signal is way

> too

> > hot for the DTMF decoder. I was feeding the signal into an analog audio

> DA

> > and had the gain jumper at -12 db which was still too hot. I needed

> > another -10dB or so of attenuation but I needed it at 600 ohms input and

> output.

> > Aftersome Google searching I found an article by Chriss Scherer at

> > WWW.RADIOMAGONLINE.COM that included a calculator for the resistor

>  values.

> >

> > I ran the requirements through the calculator, went to the annex

> > to get the parts, put it together and it works perfectly.

> >

> > Thanks for the great resource Chriss! I wonder; does anybody on

> > the list maintain a website or 'personal' list of especially reliable

> > tidbits of engineering stuff like this? If not It might be an ideal 'tab'

> to

> > add to the SBE website.

> >

> > Best regards,

> >

> > Chris Spacone

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-- 
Chuck Bullett
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