URL collection of Totem Pole and CSPP (Single Ended related) Solid State Output Stage - diyAudio
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Old 26th June 2009, 03:18 PM   #1
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Default URL collection of Totem Pole and CSPP (Single Ended related) Solid State Output Stage

I have listed the "Totem Pole" - and the "Cross Shunt Push Pull" (Circlotron) versions so as articles with comparsion between different kinds and SEPP versions from Hiraga and MJ magazine (basicly not right for the list, because there are true complementary designs, but cause the "Single Ended" sound and distortion character I have make an exception. Nevertheless, I don't prefer complementary outpot stages, because I think the effort for the selection of the transistors is too high).

I hope, for some members this list offer a good overview. It is very hard to find such overview on other places in the web, because the most designs of amplifiers - as mentioned earlier - based of complementary transistor pairs.
If not, I have to do in most cases with tube (valve) output power stages.

Perhaps some members know about additional interesting URLs in this case (both schematics and commercial products). Please excuse my not perfect english - I work with the language tools by google.

Totem Pole (Single Ended or Push Pull? - not easy to say)
http://www.helloham.com/radio/elec/b...did=65&Id=1518 (POWER-SRPP)
http://www.helloham.com/radio/elec/b...1639765819.jpg (developer SRPP)
http://www.helloham.com/radio/elec/b...2432156172.jpg (MOSFET-SRPP)
Excellent SRPP power amp of MOSFET (where are the JPGs?)
http://www.tubecad.com/2005/February/blog0037.htm (SPRR basics)
http://www.tubecad.com/2004/blog0016.htm (SRPP sound tubes vs. solid state)
J-fet Zen Srpp ??? (jFET ZEN SRPP)
http://www.marignoni.it/ElettronicaH...ido/Aikido.htm (Aleph-SRPP, Italy version)
http://www.tubecad.com/articles_2001...tput_Stage.pdf (basic article)
http://www.tubecad.com/april_may2001/page8.html "The Symmetrical and the Non-Symmetrical"
http://sound.westhost.com/jll_hood.htm (basic description Totem Pole)
http://www.tubecad.com/april_may2001/page20.html (Only N-CH MOSFETs, basic description)
Push-Pull using only N-Channel MOSFETs (driver transformer phase splitting)
http://www.tubecad.com/april_may2001/page17.html (Totem Pole Power Buffer Gain <1)
http://www.tcaas.btinternet.co.uk/index-1.htm The JLH Class-A Amplifier, transistor phase splitting
http://www.amplimos.it/images/N-CH1.JPG (Olsson "Only N-Channel", transistor phase splitting driver stage)
Original article: Better Audio from non complements? from Bengt Olsson (B. Olson?)
Electronics World + Wireless World, December 1994 page 988
http://www.aussieamplifiers.com/ only N-Channel PCB power amplifier unit's
N-channel Problem HELPPPPPP (Olson scheme 07-20-2004 killerops zip)
http://sound.westhost.com/project36.htm (R.Elliot DoZ, Death of Zen, transistor phase splitting)
www.6moons.com/industryfeatures/zen/plh.pdf (PLH, Pass Linsley-Hood, switchable from SE to Totem pole)
N-channel only output devices in a power follower. (phase splitting like Creek)
http://www.amplimos.it/images/2SK1056AMP.bmp (tube diff amp driver for 2x2SK1056 output)
http://www.vegalab.ru/forum/attachme...7&d=1102664366 Current Mirror Driver + SERVO BIAS
http://www.amplimos.it/images/2sk77%...MAHA%20B-1.gif Yamaha B1, diff-cascode driver stage
http://peufeu.free.fr/audio/schemas/Kaneda_Mosfet.jpg Kaneda, diff-cascode driver stage
http://www.patentstorm.us/patents/5631608/claims.html (diff amp driver for N-channel VFET output)
http://www.wikipatents.com/5631608.html (diff amp driver for N-channel VFET output)
http://www.tubecad.com/2005/January/blog0034.htm "Taylor source follower"

Interesting Book by Google:
(Only NPN or N-Channel - Op-Amp Topologies, book samples from
"High perfomance audio power amplifiers" from Ben Duncan)

Circlotron/CSPP (Cross Shunt Push Pull) / PPP (Parallel Push Pull)
http://www.tubecad.com/2008/03/blog0137.htm (basics and mentioned of the Thorens power amp TEM 3200)
Experimental Design - Comments, Flames Welcome
Circlotron amp using N-channel mosfets
http://www.susan-parker.co.uk/zeus.htm (CSPP? transformer for input and output)
http://www.susan-parker.co.uk/zeus.htm (SEPP-source follower with input and output transformer)
http://www.tubecad.com/2004/blog0006.htm (Simple push pull)
Sumo Circlotron
http://www.6moons.com/audioreviews/thorens/thorens.html (with SUMO Circlotron schematic)
http://cgi.ebay.ch/Sumo-Nine-Plus-Cl...em170333082386 (Sumo NINE PLUS)
SUMO Power Amp (Sumo NINE PLUS)
http://www.geocities.com/fscarpa58/s.../nine_plus.pdf (Sumo NINE PLUS)
SE ClassA with low dissipation @ idle - is this it ?

mixed versions and comparsions of power output stages
http://www.ne.jp/asahi/evo/amp/2sk1595s/report.htm (SE, 2x2SK1595 power follower >>> power amp)
http://www.tubecad.com/2004/blog0005.htm (basic's SE amplifiers, e. g. mit AD711 + 2x LM317)
http://www.tubecad.com/index_files/page0021.htm (basic's SEPP + CSPP/PPP + totem pole)
http://www.tubecad.com/august99/page15.html (basic's of SE output transformer's)
http://www.jls-info.com/julien/audio/index1.htm (any circuits, e. g. Hiraga)
http://www.jeffchan.com/audio/diy-amp-comparison.html (comparsion of some concepts)
http://www.ne.jp/asahi/evo/amp/2sk1380/report.htm (2SK1380 data's and application's)
http://www.ultraaudio.com/features/2008_03_01.htm (most concepts of Threshold/Passlabs)

SEPP (Single Ended Push-Pull Class-A )
(really does not belong in this kind - because the similar sound character to SE I make an exception)
http://diyaudioprojects.com/Gallery/...?album=4&pos=9 (Le monstre, SEPP, Sziklai-Power-BUF)
http://www.diyaudio.com/forums/showt...?postid=337808 (comparsion of some PP concepts, e.g.. MJamp)
http://web.archive.org/web/200406240...les/page5.html (The MJamp, SEPP)
Has anyone built the MJamp? (The MJamp, SEPP)
http://www.steinmusic.de/audiofino/k...l#duetto-preis (Holger Stein, Hybrid PP)
http://www.hawkaudio.com/products.htm (Hitachi MOSFETs Push-Pull-ClassA)
http://www.hawkaudio.com/amp/a18pcb.html (Hitachi MOSFETs Push-Pull-ClassA)
http://www.dagogo.com/MonarchySE-250-Roberts.html (SRPP tube driver, compl. PP output power)

not clear for me, which design (totem pole or CSPP ? )
http://www.dedicatedaudio.com/inc/sdetail/17196 (VK220)
http://www.highendpalace.com/HEP%20Amps.htm (BAT - Victor Khomenko)
Integra Research RDA-7.1 - BAT design Victor Khomenko

http://www.aussieamplifiers.com/chassis-1.htm (universal-power amp envelope)
http://ekwaterblocks.com/shop/produc...roducts_id=206 (thermic capacitor)
http://sound.westhost.com/articles/diy-heatsink.htm#1 (diy heatsink)
http://www.conradheatsinks.com/products/index.html (heatsink company)
http://www.fischerelektronik.de/ (heatsink company)
http://www.aavidthermalloy.com/produ...standard.shtml (heatsink company)
http://www.thermaflo.com (old) http://www.comairrotron.com/thermal_calc.shtml (new, thermal calculator)
http://www.kk-pcb.com/amps.html (PCB-Service for some SE concepts)
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Old 7th August 2009, 11:49 PM   #2
Zero D is offline Zero D  United Kingdom
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That's a heck of a lot of good links and info there.

Thanks for collecting and posting it all.
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Old 9th January 2010, 06:48 PM   #3
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now there are some new topologies from the last weeks:
1) Circlomos from Elvee
It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
2) Super-Pair Buffer from Linuxguru
Low-distortion Super-pair Buffer simulation schematics
3) Kenpeter's follower - three in one (very special) go to post #47 about
four transistor emitter follower (diamond buffer) as power output stage?

Number 2 and 3 I haven't investigate, but it looks very interesting. If the author have found a method for reliability stabilizing of the idle current through the output for number 1, we have a very fine power amp topology.
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Old 13th April 2010, 02:48 PM   #4
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Default Zenitron - Additional CSPP/Circlotron Ideas here on Diyaudio

The Zenitron
Circlotron amp using N-channel mosfets
Ixys depleationmode fet susy one stage balanced pushpull Zenitronamp.
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Old 13th April 2010, 03:49 PM   #5
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Default Single Ended related Super Pair:

Low-distortion Super-pair Buffer simulation schematics
N. M. Visch: "A Novel Class-B Output"
(Class-B without crossover-distortion - "Visch Zero Crossover Vlass B")
Class B w/o crossover distortion (1975)

Last edited by tiefbassuebertr; 13th April 2010 at 03:53 PM.
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Old 19th October 2010, 11:25 AM   #6
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Default Elvee's circuit ideas - Circlomos and associated Schematics

It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!! (MOSFETs)
Best topology for no-feedback ClassAB buffer ? (BjT's)
Biasing schemes for bipolar transistor circlotrons (post #2 and #6)
Class B w/o crossover distortion (1975) (post #6)

Last edited by tiefbassuebertr; 19th October 2010 at 11:30 AM.
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Old 11th May 2011, 10:46 PM   #7
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also of interest:
The New-Tron
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Old 10th May 2012, 06:02 PM   #8
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Thumbs up my 2000 project

the tested tubes where EF180 and 12AU7 with big N channel mosfets.
this amp works great but needs a servo or two...
Attached Files
File Type: pdf PPP2000.pdf (9.4 KB, 227 views)
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