Fw: Re: [HBR] Brittish/Canadian HBR

Sun, 3 Aug 2003 11:54:23 -0500

Which ham bands does it cover ?

73 Kees K5BCQ

--------- Forwarded message ----------
From: "Tom Smith" <[email protected]>
To: <[email protected]>
Date: Sun, 3 Aug 2003 08:34:09 -0700
Subject: Re: [HBR] Brittish/Canadian HBR
Message-ID: <009801c359d4$af125960$3580b4ce@tsmith>
References: <[email protected]>

The original G2DAF receiver had 20 tubes (excuse me  - valves). One of
the
articles suggested a commercial front end made by "Electroniques" (it
looks
like good stuff) which is how my receiver is made. This receiver has 14
tubes.

----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Sunday, August 03, 2003 8:12 AM
Subject: Re: [HBR] Brittish/Canadian HBR

> I have the 5th Edition (1976) of the RSGB manual which has a
> G2DAF Mark II receiver which is a 160-10m, double conversion,
> 16 tube (valve) receiver.
>
> Sensitivity: 10dB S/N for .5uV
> Selectivity: 2.5Khz BW at -6dB,  5Khz at -60dB
> second channel rejection of 80dB or more
> IF breakthrough rejection of 80dB or more
> crystal HFO (converter) for each band
> absolutely minimal spurs
> selectable AGC
> AM noise limiter
> frontend dynamic range of 100dB or more
> Q-multiplier
> mechanical filter
>
>
> But I don't think it was as popular (due to the complexity) as the
> previous version which is what I think you have. That's another
> one "with many hundred built". Maybe someone else has more
> information or knows some hams to ask.
>
> 73 Kees K5BCQ
> ************************************
> Visit the HBR Receiver Web Site with over 100 pictures of receivers and
> construction notes...... via http://www.qsl.net/k5bcq/
>
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http://mailman.qth.net/mailman/listinfo/hbr
>
>

************************************
Visit the HBR Receiver Web Site with over 100 pictures of receivers and 
construction notes...... via http://www.qsl.net/k5bcq/ 

Retrieve reflector archived data via
http://mailman.qth.net/mailman/listinfo/hbr