Hi!


I I am interested in building a simple receiver to listen on 6m band. I
have tried to search the net but without success. Any suggestion?
Thanks

Mitar G. K.


PS


I have some experience in building things from kits but do not have deeper
knowledge in electronics.


If you want to reply direct please remove "zz" from the address.

Convert 40 Channel CB to 6M , change 1 crystal and retune !

Yukio YANO


I I am interested in building a simple receiver to listen on 6m band. I
have tried to search the net but without success. Any suggestion?
Thanks

Mitar G. K.

That would get you started, but you would need to change the front end coils
in order to make that work. There wouldn't be enough tuning range with the
current front end components. You might be able to change the padding caps,
but still........

Pete

Yukio wrote in message news:6RTLb.47169$ts4.29982@pd7tw3no...
Convert 40 Channel CB to 6M , change 1 crystal and retune !

Yukio YANO


I I am interested in building a simple receiver to listen on 6m band.
I
have tried to search the net but without success. Any suggestion?
Thanks

Mitar G. K.

On Sat, 10 Jan 2004 17:09:04 GMT, "Pete KE9OA"
wrote:

That would get you started, but you would need to change the front end coils
in order to make that work. There wouldn't be enough tuning range with the
current front end components. You might be able to change the padding caps,
but still........

Pete

...and some CB sets use ceramic filters for front-end selectivity, so
it might be a problem.

JM
http://home.online.no/~la8ak/c.htm
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On Sat, 10 Jan 2004 17:09:04 GMT, "Pete KE9OA"
wrote:

That would get you started, but you would need to change the front end coils
in order to make that work. There wouldn't be enough tuning range with the
current front end components. You might be able to change the padding caps,
but still........

Pete

...and some CB sets use ceramic filters for front-end selectivity, so
it might be a problem.

JM
http://home.online.no/~la8ak/c.htm
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"Yukio" wrote in message
news:6RTLb.47169$ts4.29982@pd7tw3no...
Convert 40 Channel CB to 6M , change 1 crystal and retune !

Yukio YANO

Have you tried this and if so what modle did you use ?

"Ralph Mowery" ) writes:
"Yukio" wrote in message
news:6RTLb.47169$ts4.29982@pd7tw3no...
Convert 40 Channel CB to 6M , change 1 crystal and retune !

Yukio YANO

Have you tried this and if so what modle did you use ?



There was an article about doing this in 73 about twenty years ago,
when conversions of PLL CB sets were alll the rage. It counted on
the injection frequency being on the high side, so the image frequency
was in the six meter band. I can't remember whether it worked out
directly, or if one had to fiddle with something.

Pete's right, the front end would have to be adjusted.

It's an interesting scheme, but oddly while it would require less
construction, it may be more daunting for a beginner to do such
modifications than for that beginner to build a converter as someone
suggested. You don't have to worry about tracking down a schematic
for the CB set, you don't have to worry about finding what's where (or
figure out what needs to be done when likely there aren't specific
instructions for the set in hand), and don't have to worry about working
in the confined spaces. Building a converter from scratch means you
can wait till you have a full schematic for parts that you can get,
and you can construct it in a fashion where there is plenty of space,
though of course it would need to be built in a small area for proper
performance.

Michael VE2BVW

On 10 Jan 2004 18:28:11 GMT, (Michael Black)
wrote:


There was an article about doing this in 73 about twenty years ago,
when conversions of PLL CB sets were alll the rage. It counted on
the injection frequency being on the high side, so the image frequency
was in the six meter band. I can't remember whether it worked out
directly, or if one had to fiddle with something.

Pete's right, the front end would have to be adjusted.

It was a series of articles in an English magazine about conversions,
and believe I've seen a book mentioned at RSGB bookshop

Another idea is to use the 27MHz exciter and receiver as original
instead of converting it, OZ7IS Ivan used a 27MHz transceiver with
70cm transverter for a simple solution in his car

73
Jan-Martin
http://home.online.no/~la8ak/d.htm
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On 10 Jan 2004 18:28:11 GMT, (Michael Black)
wrote:


There was an article about doing this in 73 about twenty years ago,
when conversions of PLL CB sets were alll the rage. It counted on
the injection frequency being on the high side, so the image frequency
was in the six meter band. I can't remember whether it worked out
directly, or if one had to fiddle with something.

Pete's right, the front end would have to be adjusted.

It was a series of articles in an English magazine about conversions,
and believe I've seen a book mentioned at RSGB bookshop

Another idea is to use the 27MHz exciter and receiver as original
instead of converting it, OZ7IS Ivan used a 27MHz transceiver with
70cm transverter for a simple solution in his car

73
Jan-Martin
http://home.online.no/~la8ak/d.htm
--
Amount of SPAM is so large that MailWasher must delete 99% of the incoming mails
Cannot check every email manually. Please use intelligent title for email.
Mails without titles or using just "hi" is deleted

"Ralph Mowery" ) writes:
"Yukio" wrote in message
news:6RTLb.47169$ts4.29982@pd7tw3no...
Convert 40 Channel CB to 6M , change 1 crystal and retune !

Yukio YANO

Have you tried this and if so what modle did you use ?



There was an article about doing this in 73 about twenty years ago,
when conversions of PLL CB sets were alll the rage. It counted on
the injection frequency being on the high side, so the image frequency
was in the six meter band. I can't remember whether it worked out
directly, or if one had to fiddle with something.

Pete's right, the front end would have to be adjusted.

It's an interesting scheme, but oddly while it would require less
construction, it may be more daunting for a beginner to do such
modifications than for that beginner to build a converter as someone
suggested. You don't have to worry about tracking down a schematic
for the CB set, you don't have to worry about finding what's where (or
figure out what needs to be done when likely there aren't specific
instructions for the set in hand), and don't have to worry about working
in the confined spaces. Building a converter from scratch means you
can wait till you have a full schematic for parts that you can get,
and you can construct it in a fashion where there is plenty of space,
though of course it would need to be built in a small area for proper
performance.

Michael VE2BVW