Content-class: urn:content-classes:message
MIME-Version: 1.0
Date: Sat, 30 Jan 2010 21:04:38 +0100
Message-ID: <38A51B74B884D74083D7950AD0DD85E82A1AC3@File-Server-HST.hst.e-technik.tu-darmstadt.de>
Thread-Topic: LF: 2nd try of sending the pic of my loop preamp with the BF862
Thread-Index: Acqh5Ij3ZViXT5ODRECkF3YaUXMVFQAAX+rb
References: <284359.50567.qm@web86503.mail.ird.yahoo.com>
From: =?iso-8859-1?Q?Stefan_Sch=E4fer?= <schaefer@hst.tu-darmstadt.de>
To: <rsgb_lf_group@blacksheep.org>
Content-Type: multipart/mixed;
	boundary="----_=_NextPart_001_01CAA1E7.73FAC0DE"
Subject: AW: LF: 2nd try of sending the pic of my loop preamp with the BF862
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org


------_=_NextPart_001_01CAA1E7.73FAC0DE
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Hi Alan and tnx for your reply. (also the other stns who confirmed that th=
e pic was correctly sent now)
=20
A bigger signal? You mean more Drain current? That is possible (up to 75mA=
 for this Diode) and would be an advantage but also a disadvantage if we=
 think on a battery supply. The BF862 provides abt 20mA @ Uds=3D0 (measure=
d out at 4 specimens) which is enough for that application.=20
And so the circuit is kept really simple and needs not even a measuring de=
vice, except to find the resonance/ adjust the C (but that can be done in=
 Argo)... :-)=20
I hope i can give some RX reports soon (changing my QTH from Darmstadt to=
 Heidelberg this weekend and so not much time...)
=20
73, Stefan/DK7FC

________________________________

Von: owner-rsgb_lf_group@blacksheep.org im Auftrag von ALAN MELIA
Gesendet: Sa 30.01.2010 20:39
An: rsgb_lf_group@blacksheep.org
Betreff: Re: LF: 2nd try of sending the pic of my loop preamp with the BF8=
62



Hi Stephan thanks for that I have been wondering about this for some time=
 but assumed a bigger signal would be required for the LED. I am not reall=
y up to speed with opto-devices.

Alan G3NYK


--- On Sat, 30/1/10, Stefan Sch=E4fer <schaefer@hst.tu-darmstadt.de> wrote=
:

> From: Stefan Sch=E4fer <schaefer@hst.tu-darmstadt.de>
> Subject: LF: 2nd try of sending the pic of my loop preamp with the BF862
> To: rsgb_lf_group@blacksheep.org
> Date: Saturday, 30 January, 2010, 19:26
>
>=20
>=20
>=20
>
> Dear LF,
>=20
> Some OMs informed me, that the picture of
> the loop preamp is in a strange design. That may be come,
> since i (have to) use outlook exchange (?)
>=20
> Now i try to do it again. Those who asked
> for the picture, please give my a short confirmation if the
> picture is in the correct format now.
>=20
> I will subscribe to the reflector with
> another email adress soon to solve this problem, sri
> agn.
>=20
> I do some modifications to the RX in the
> moment and will send the new and perhaps better circuit
> soon. But the setup is already working vy fine!
>=20
> 73,
> Stefan/DK7FC



------_=_NextPart_001_01CAA1E7.73FAC0DE
Content-Type: application/ms-tnef;
	name="winmail.dat"
Content-Transfer-Encoding: base64
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=

------_=_NextPart_001_01CAA1E7.73FAC0DE--