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Actual on-air experience

 
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Last Post by Anonymous 16 years ago
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 Ken Norris
(@ken-norris)
Posts: 137
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Howdy,

I'm looking for data from actual on-air experience with the ASMAX1 unit

http://www.aspisys.com/ampll.htm

Howdy,

I'm looking for data from actual on-air experience with the ASMAX1 unit

http://www.aspisys.com/ampll.htm

So, has anyone been using it?

TIA ...


 
Posted : 04/11/2010 3:56 pm
 Anonymous
(@Anonymous)
Posts: 0
 

I have one of these...
http://business.shop.ebay.com/Signal-Sources-Generators-/97659/i.html?_catref=1&_fln=1&_ssn=surplusmanal&_trksid=p3286.c0.m282

replace the electrolytics and it will blow the greek toy away.

or find you a high powered alfredo lite made by chris cuff crystal controlled but very well designed and built.

here is a hobbybroadcaster review of the greek transmitter...
http://www.hobbybroadcaster.net/reviews/Aspisys_10_23_2008_P02.html

in spite of the good HB review there is something about it that just does not seem to make it worth the chunk of change they want for it in my opinion.


 
Posted : 05/11/2010 11:38 pm
 Anonymous
(@Anonymous)
Posts: 0
 

add some good processing behind the AL or Panasonic and it will sound good.

here is what i have for cquam processing.
http://part15.us/node/853

or a orban 9000/9100b2

there was one more good ams multiband processor but it escapes me at the moment.

maybe someone else can remember.


 
Posted : 06/11/2010 9:57 am
 Anonymous
(@Anonymous)
Posts: 0
 

Twice now I've seen the return of the misinterpretation of the rules

On the ASMAX-1 product description page we see:
"RF PEP output 100mW [according to US FCC Part 15.219]"

However, perhaps forgivable as the unit is not certified (and therefore not to be sold in the USA, but...)

More difficult to overlook is the statement by Information Station Specialists who, in promoting their FCC certified Part 15 unit say:

"Designed to operate under FCC Part 15 rules, InfOspot is capable of 100 milliwatts of output power"

Once more with feeling - the regs don't specify output power, it's 100 mW DC input to the final stage.

An off shore company selling an uncertified unit I can understand, but a US firm that doesn't understand the regs their unit is certified under?

Unless, of course, they have perfected a 100% efficient transmitter, in which case I'll take two 🙂

Sheesh!


 
Posted : 06/11/2010 11:42 am
 Anonymous
(@Anonymous)
Posts: 0
 

"Once more with feeling - the regs don't specify output power, it's 100 mW DC input to the final stage.

An off shore company selling an uncertified unit I can understand, but a US firm that doesn't understand the regs their unit is certified under?

Unless, of course, they have perfected a 100% efficient transmitter, in which case I'll take two :-)"

I think they're likely making an assumption that most potential customers don't know what a "final stage" is so they sort of abbreviate. But yeah, we'd all love it if final stage output was equal to its input!!

Say, what if there was some sort of booster inline at the antenna, above a loading coil or ATU? Introduce a bunch of artifacts that mess up modulation beyond recognition?


 
Posted : 06/11/2010 7:13 pm
 Anonymous
(@Anonymous)
Posts: 0
 

"Once more with feeling - the regs don't specify output power, it's 100 mW DC input to the final stage.

An off shore company selling an uncertified unit I can understand, but a US firm that doesn't understand the regs their unit is certified under?

Unless, of course, they have perfected a 100% efficient transmitter, in which case I'll take two :-)"

I think they're likely making an assumption that most potential customers don't know what a "final stage" is so they sort of abbreviate. But yeah, we'd all love it if final stage output was equal to its input!!

Say, what if there was some sort of booster inline at the antenna, above a loading coil or ATU? Introduce a bunch of artifacts that mess up modulation beyond recognition?


 
Posted : 06/11/2010 7:13 pm
 Anonymous
(@Anonymous)
Posts: 0
 

I seem to mess up quotes a lot. What say about changing the forum format to include quotes ... doing it by hand is awkward and lends itself to errors ... at least for me, it's like pushing on a rope.


 
Posted : 06/11/2010 7:16 pm
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