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1. [Amps] RMS-PEP & 2x8877 (score: 1): Author: Maximo.Martin@icm.siemens.com (Martin, Maximo); Date: Thu, 7 Nov 2002 09:27:01 -0500; 2 x 8877 are able to run about 4.5 to 5 Kw out, but this is a RMS measurement. The PEP value is the RMS x 2.25 so; 4.5 x 2.25= + 10000 W Max.; /archives//html/Amps/2002-11/msg00085.html (7,460 bytes)
2. [Amps] RMS-PEP & 2x8877 (score: 1): Author: DF3KV@aol.com (DF3KV@aol.com); Date: Thu, 7 Nov 2002 09:51:45 EST; I Hello Max, Please explain why PEP should equal 2,25 x RMS wattage? For my knowledge so far PEP ist the RMS wattage at the peak of the envelope without flat-topping. 73 Peter -- StripMime Report --; /archives//html/Amps/2002-11/msg00087.html (7,745 bytes)
3. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu, 07 Nov 2002 10:10:09 -0500; PEP is the AVERAGE power for one full cycle calculated at the peak of the envelope. There is no RMS power. There is RMS current and RMS voltage. RMS voltage times RMS current (both in phase) equals a; /archives//html/Amps/2002-11/msg00088.html (7,680 bytes)
4. [Amps] RMS-PEP & 2x8877 (score: 1): Author: Maximo.Martin@icm.siemens.com (Martin, Maximo); Date: Thu, 7 Nov 2002 10:20:59 -0500; RMS is an average measurement, efective power instead PEP, it's peak to peak. If you take one peak without flat-topping you have the RMS, but it is from the half of the total, in a graphic you use on; /archives//html/Amps/2002-11/msg00089.html (8,825 bytes)
5. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu, 07 Nov 2002 10:27:17 -0500; I have doubts that the products that started this discussion really exist. 73 Bill wa4lav; /archives//html/Amps/2002-11/msg00092.html (8,357 bytes)
6. [Amps] RMS-PEP & 2x8877 (score: 1): Author: Maximo.Martin@icm.siemens.com (Martin, Maximo); Date: Thu, 7 Nov 2002 10:31:15 -0500; If, RMS voltage times RMS current (both in phase) is the equal to AVERAGE and PEP is AVERAGE too, so PEP=RMS voltage times RMS current? Max. PEP is the AVERAGE power for one full cycle calculated at; /archives//html/Amps/2002-11/msg00093.html (8,704 bytes)
7. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu, 07 Nov 2002 10:38:06 -0500; RMS current and voltage are calculated for a full cycle or multiple cycles. 73 Bill wa4lav; /archives//html/Amps/2002-11/msg00094.html (9,245 bytes)
8. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (wl fuqua); Date: Thu, 07 Nov 2002 10:43:14 -0500; I had to fire up my old computer to locate this but here it is from a year and a half ago. OK enough... RMS has one meaning, definition or procedure if you want to call it that. R take square root of; /archives//html/Amps/2002-11/msg00096.html (11,407 bytes)
9. [Amps] RMS-PEP & 2x8877 (score: 1): Author: DF3KV@aol.com (DF3KV@aol.com); Date: Thu, 7 Nov 2002 10:52:39 EST; Hi Max That is correct, PEP is measured during one cycle, RMS for a longer duration. PEP usually equals RMS, but RMS could be lower if there is poor voltage regulation . 73 Peter -- StripMime Report; /archives//html/Amps/2002-11/msg00098.html (8,694 bytes)
10. [Amps] RMS-PEP & 2x8877 (score: 1): Author: 2@vc.net (Rich); Date: Thu, 7 Nov 2002 08:00:19 -0800; ** PEP is the finite RMS power at the max peak output. Thus 1kW PEP = 2kW peak. - Rich..., 805.386.3734, www.vcnet.com/measures.; /archives//html/Amps/2002-11/msg00100.html (8,539 bytes)
11. [Amps] RMS-PEP & 2x8877 (score: 1): Author: DF3KV@aol.com (DF3KV@aol.com); Date: Thu, 7 Nov 2002 11:07:03 EST; I Hi Bill, Is the root-mean-square not the averaged measurement over time anyway? In that case, could the averaged power not also be called RMS power...? Peter -- StripMime Report -- processed MIME p; /archives//html/Amps/2002-11/msg00101.html (9,011 bytes)
12. [Amps] RMS-PEP & 2x8877 (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Thu, 7 Nov 2002 16:12:38 -0000; Yes - you do the calculation with the *rf* rms voltage and current at the peak of the modulation envelope. Steve; /archives//html/Amps/2002-11/msg00102.html (8,579 bytes)
13. [Amps] RMS-PEP & 2x8877 (score: 1): Author: TimNebo@aol.com (TimNebo@aol.com); Date: Thu, 7 Nov 2002 11:10:34 EST; well if your correct you settle it since that would mean 5kw pep which is very realistic for a pair of 8877's would mean 10kw peak as they claimed. Tim www.KpDxGroup.net; /archives//html/Amps/2002-11/msg00103.html (8,744 bytes)
14. [Amps] RMS-PEP & 2x8877 (score: 1): Author: w6ru@bak.rr.com (Terry Gaiser); Date: Thu, 7 Nov 2002 08:39:55 -0800; Tim, They are claiming 10 KW "PEP" ... NOT peak. Terry W6RU writes:; /archives//html/Amps/2002-11/msg00104.html (9,423 bytes)
15. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wb8jkr@juno.com (wb8jkr@juno.com); Date: Thu, 7 Nov 2002 13:25:48 -0500; The negative peak occurs 180 degrees away from the positive peak, so they don't occur at the same time. You can't add them together. PEP power is the same power level as you would have KEY DOWN at a; /archives//html/Amps/2002-11/msg00105.html (11,221 bytes)
16. [Amps] RMS-PEP & 2x8877 (score: 1): Author: Joseph DiPietro" <n2uf@joeham.net (Joseph DiPietro); Date: Thu, 7 Nov 2002 14:11:39 -0500; The RMS power of an RF signal is a mathamatical approximation of the equivilant amount of DC power. For example, if an RF signal were to dissapate in a resistive load then the RMS value of that signa; /archives//html/Amps/2002-11/msg00106.html (13,234 bytes)
17. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu, 07 Nov 2002 14:46:00 -0500; To understand what Average power for one cycle means you must first realize that "RMS Power" is meaningless. What most are calling RMS power is Average power. See my previous example. 73 Bill wa4lav; /archives//html/Amps/2002-11/msg00107.html (14,381 bytes)
18. [Amps] RMS-PEP & 2x8877 (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu, 07 Nov 2002 15:41:42 -0500; When this came back the columns were messed up. I hope this is better. OK enough... RMS has one meaning, definition or procedure if you want to call it that. R take square root of M the average (mean; /archives//html/Amps/2002-11/msg00108.html (11,611 bytes)
19. [Amps] RMS-PEP & 2x8877 (score: 1): Author: garyschafer@attbi.com (Gary Schafer); Date: Thu, 07 Nov 2002 15:46:00 -0500; As Bill says "there is no RMS power". RMS power is a common misconception and it confuses things when you start to convert things. There is only average power that is derived from RMS voltage and RMS; /archives//html/Amps/2002-11/msg00109.html (15,352 bytes)
20. [Amps] RMS-PEP & 2x8877 (score: 1): Author: on4kj@skynet.be (on4kj); Date: Thu, 7 Nov 2002 22:27:07 -0000; Adding a bunch to the confusion : Why antenna or baloon constructors say ; Max power ( as an example ) ssb/1500 w cw/750 w rtty/500 w Just rember something ( 1950 ) like first derivation and the seco; /archives//html/Amps/2002-11/msg00110.html (13,200 bytes)

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