[HBR] HBR-67

[kurt]

Jim
What changes would suggest to the original HBR-67 design?
Regards,
Kurt,   KU7RT
----- Original Message ----- 
From: <n2ey at aol.com>
To: <hbr at mailman.qth.net>
Sent: Wednesday, February 06, 2008 11:03 AM
Subject: Re: [HBR] HBR-67


> Yes - in the 1967 Handbook!
>
> It's a very straightforward design. Basic rx tunes 80/75 meters, converter 
> for the other bands is switched in ahead.
>
> IIRC 80/75m section is 7360 mix (single-ended), 2-6BA6 IF, SS diode 
> product detector, 12AX7 audio/AGC. Not sure what was used for the BFO and 
> audio output. Converter used a compactron for the mixer, oscillator and 
> cathode-follower.
>
> RX has audio AGC and S-meter, SSB-bandwidth mechanical filter, built-in 
> solid-state power supply with VR tube. B+ is only 180 volts IIRC. Dial was 
> a Miller two-speed, not an Eddy 898.
>
> A good basic design but I wouldn't copy it exactly.
>
> 73 de Jim, N2EY
>
>
> -----Original Message-----
> From: Tim Shoppa <tshoppa at wmata.com>
> To: hbr at mailman.qth.net
> Sent: Wed, 6 Feb 2008 11:24 am
> Subject: [HBR] HBR-67
>
>
>
> The 1969 ARRL Handbook has a receiver for 80M that credits W1DX's
> HB-67 as being an inspiration. 7360 in the front end, single conversion
> to a 455kHz IF. Cookbook-style links to a multiband
> converter for other bands are illustrated.
>
> Was the HB-67 design ever published?
>
> Tim N3QE
>
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> Visit the HBR Receiver Web Site with over 100 pictures of receivers and 
> construction notes...... via http://www.qsl.net/k5bcq/ there is also a 
> mirror (faster response)at http://k5bcq.edebris.com/
>
>
> Retrieve reflector archived data via 
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