[Boatanchors] Spectrum analyzer?

rbethman rbethman at comcast.net
Thu Dec 15 17:48:42 EST 2011


Sorry Pete.

Mine specifically states 455Kc.

I use the IF out of the R-390A or the SP-600 to use the BS-8.

You may want the owners manual and service manual.

Bob - N0DGN

On 12/15/2011 5:32 PM, manualman at juno.com wrote:
> The BS-8 is designed to be used with IF 8830 KHz and allows the SM-220 to
> be used as a panadapter for receive signals. It doesn't make a good
> spectrum analyzer. The SM-220 vertical input (response 2 Hz to 10 MHz)
> can be used to monitor the IF output/detector output for eye-candy type
> output. However, I always use the RF monitoring section to monitor my RF
> output going to the antenna. It will not tell you if you're generating
> spurious signals.
>
> Pete, wa2cwa
>
> On Thu, 15 Dec 2011 15:29:52 -0500 rbethman<rbethman at comcast.net>
> writes:
>> Rick,
>>
>> *IF* the IF is 455Kc, then a Kenwood SM-220 with BP-8 would do the
>> job.
>>
>> The SM-220 can work with simply the RF out.  No need for the 455Kc
>> IF.
>> That case you don't need the BP-8.
>>
>> I've used one with several different transmitters, including my
>> BC-610.
>> My receivers have the 455Kc IF, so I can also use the BP-8 to look
>> at
>> received signals.
>>
>> Bob - N0DGN
>>
>> On 12/15/2011 3:13 PM, Rick Poole wrote:
>>> Anybody have any suggestions for a reasonably low cost spectrum
>>> analyzer (new or used) that would be suitable for keeping tabs on
>>> these old boat anchors and making sure they don't radiate where
>> they shouldn't?
>>> A standalone spectrum analyzer would be OK, and something that
>> runs
>>> on a PC via, say, USB would also be good.
>>>
>>> Thanks...
>>>
>>> Rick WA1RKT
>>>
>>>
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