Return to KLUBNL.PL main page
| To: | [email protected], [email protected] |
|---|---|
| Subject: | Re: LF: RE: Wellbrook Loop |
| From: | Chris Trask <[email protected]> |
| Date: | Fri, 16 Dec 2011 07:35:21 -0700 (GMT-07:00) |
| Domainkey-signature: | a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=qhchygfBS8MUCp/nHBATy/gGFFfcbQh7EmlJb7KJEywXcK/cHxmu0S5ZzIh/cqVa; h=Message-ID:Date:From:Reply-To:To:Subject:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Mailer:X-ELNK-Trace:X-Originating-IP; |
| Domainkey-status: | good (testing) |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
>
> This one from Chris has an input stage similar to the design
> I did those years ago, but with added feedback and more.
> The common base push-pull running open-loop, if memory serves,
> gave about 0.5 ohms input impedance running the devices at
> 100mA (on heat sinks !)
>
Using the augmentation gives you a similar input impedance at far less
current. It gives you the opportunity to operate the transistor at it's best
NF.
Chris
|
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: LF: RE: Wellbrook Loop, Andy Talbot |
|---|---|
| Next by Date: | LF: Re: RE: Re: RE: Re: Wellbrook Loop, mal hamilton |
| Previous by Thread: | RE: LF: RE: Wellbrook Loop, Terry GW0EZY |
| Next by Thread: | Re: LF: RE: Wellbrook Loop, Andy Talbot |
| Indexes: | [Date] [Thread] [Top] [All Lists] |