HW-101 Knowledge Base

[Mark S Graalman]

  How about the CW carrier oscillator?

Mark  WB8JKR


On Mon, 24 Jan 2000 23:13:53 -0500 The Maryland Crofts
<croft at PATRIOT.NET> writes:
>"Amplifying" on that mechanical "note" . . . could it be a bad CW band
>pass crystal filter? . . .  I've been experiencing a similar problem
>with the stress of cold weather (cooler temps) from about 35 to 45
>degrees (the rig is always mobile although at one time in the basement
>shack the problem arose also) . . . poor/disintegrating solder
>connections around the crystal terminals seemed to resolve my "first"
>bout . . . and BTW the bandwidth could also be heard to changed as the
>frequency shift took place.
>
>John, K3NJ
>
>BobR wrote:
>>
>> Chris,
>> I had similar problem years ago. Turned out to be
>> mechanical rather than electrical, binding in the
>> VFO.
>> Bob/WB0AUQ
>>
>> Chris Hulgan wrote:
>> >
>> > I ran into a irritating problem with my HW-101 this weekend.
>While listen
>> > to a CW station, the tone would shift up in frequency and then
>almost
>> > immediately shift back down.  The shift was about 400 Hz.........
>>
>> Sponsored by the City of Tempe
>>
>> Listserver Submissions:  heath at listserv.tempe.gov
>> Listserver Subscription: listserv at listserv.tempe.gov - "subscribe
>heath 'name' 'call'"
>> Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff
>heath"
>
>--
>**********************************************************************
>* John & Kathy Croft *           http://patriot.net/~croft           *
>* Silver Spring, MD  * KB3BPN  TEN-TEN 68155 *  K3NJ  TEN-TEN 67398  *
>*--------------------------------------------------------------------*
>*              -monitoring N3AUY/R 29.66 MHz (141.3 Hz)-             *
>**********************************************************************
>
>Sponsored by the City of Tempe
>
>Listserver Submissions:  heath at listserv.tempe.gov
>Listserver Subscription: listserv at listserv.tempe.gov - "subscribe
>heath 'name' 'call'"
>Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"

Sponsored by the City of Tempe 

Listserver Submissions:  heath at listserv.tempe.gov
Listserver Subscription: listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'"
Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"