| Author |
Message |
    
GTO
| | Posted on Thursday, January 16, 2003 - 4:45 pm: | 
|
Hello,
I have a new Diamond SX-100 SWR meter. I did not know that it only reads PEP on SSB and not AM. Can I do any mods to this meter to make it read PEP on AM?
THANKS,
GTO |
Anon
| | Posted on Thursday, January 16, 2003 - 10:09 pm: |
|
GTO,
If you Want A Meter That Reads Pep On Am. Then You should get a Dosy Libra 631..
Thats What I Have And They make you feel happy when you look at the watts.
73's
Anon |
307
| | Posted on Friday, January 17, 2003 - 9:07 am: |
|
I have a Diamond SX-100 as well , it can't be modified. It is an average reading meter.
307 |
Kiwikid
| | Posted on Friday, January 17, 2003 - 11:57 am: |
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I also have a SX100 and mine reads AM peaks on amplication of audio. Regards Kiwi Kid |
de
| | Posted on Saturday, January 18, 2003 - 12:42 am: |
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Re 307...
Per the ARRL product testing article shown below the model 100 is a PEP meter. See the quote below. But if you read the testing results the accuracy leaves a bit to be desired. The PEP meters with the active circuts (as opposed to inactive circuts) are more accurate.
Follows is what I found....
"League Inc. All rights reserved. February 1991 QST Compares: Peak-Reading MF/HF Wattmeters (Coaxial Dynamics 83000-A; Comet CD-160H; Daiwa NS-660PA; Diamond SX-100; Heath HM-2140-A; MFJ 815B; Mirage MP1; Nye-Viking RFM-003; Yaesu YS-60)
http://www.arrl.org/members-only/prodrev/pdf/pr9102.pdf 08/08/98, 694575 bytes "
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GTO
| | Posted on Saturday, January 18, 2003 - 5:40 pm: |
|
Hello,
I talked to someone at Diamond and they said that it would only read PEP on SSB and not AM..
THANKS,
G T O |
307
| | Posted on Saturday, January 18, 2003 - 6:28 pm: |
|
It is a PEAK on Sideband , Average on AM. I opened mine up. Simple pair of germanium diodes. ARRL is wrong decribing it as a PEP meter for AM and SIDEBAND.
307 |
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