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PCF80 - Pauls-Roehren
http://www.pauls-roehren.de/roehren/p/PCF80/PCF80.php
Denkbare Anwendungen sind z.B: stabilisiertes Mininetzteil kleiner Leistung zur Versorgung von Vorstufen, als Vorverstärker und Phasenumkehr in NF-Verstärkern oder HF-Anwendungen wie Audion oder Zweikreiser. PCF80 mit …
9A8 / PCF80 Audio Tubes - www.thetubestore.com
https://www.thetubestore.com/9a8
Buy 9A8 / PCF80 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.
MW-Audion mit PCF80 und PCL85 - YouTube
https://www.youtube.com/watch?v=I854_73G-9I
Seit 5 jahren hatte ich kein Audion mehr gabaut und deshalb ist in der Kürze dieser Versuch entstanden und man kann erkennen dass ich nichts verlernt habe. D...
PG1N's HAM Radio Site - Tubes - PCF80
http://www.pg1n.nl/articles.php?lng=en&pg=571
The 1954 PCF80 is from the era of VHF Band III television. The valve is a triode pentode, with separate cathodes, designed to function as a mixer and oscillator in the tuner. I decided as an aside from my usual sets using “Recognised Valves” for radio I would try some of my old stock of TV valves, This set is based on a PCF80, a TV audio ...
PCF80 + PL805 PP by P. Audio Thailand # 2 - YouTube
https://www.youtube.com/watch?v=0d_ejl3mpZg
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ECF or PCF80 as a headphone amp | diyAudio
https://www.diyaudio.com/community/threads/ecf-or-pcf80-as-a-headphone-amp.245313/
My niece has recently moved on from hard drugs to diy audio. Yes really. So to keep her on track, I'm introducing her to thermionics and I figured a headphone amp is a good entry (and re-entry) project. We need to get to 1v RMS and between 50 and 100mW to drive the usual crap digitally focussed headphones kids use these days.
PG1N's HAM Radio Site - Tubes - PCF802
http://www.pg1n.nl/articles.php?lng=en&pg=568
PCF802 @ The National Valve Museum [Datasheet] The PCF802 was designed as the first stages in television line frequency generation prior to the line output stage. The pentode is described by Mullard as the oscillator while the triode is for service as a reactance valve. This suggests the triode acting as a frequency controlling stage.
Dave's Homemade Radios Visitors Page – 13.8 Volt Tube ...
http://makearadio.com/visitors/nick-tube-tuner-amp.php
The set is a combined LW, MW and SW regen receiver with combined audio amplifier. The set is designed to run off a standard radio/cb 13.8V power supply for ease of use, no nasty high voltages yet. Possibly in one of my later projects. The set will run on higher HT voltages, but, at HT voltages of greater than about 28V you may need to play ...
Homebrew Radio Links - K3UH (Russ)
http://k3uh.com/test/SW_Receiver.htm
PCF80: 64: 2-Tube 12,500 Mile Doerle Short-Wave Receiver: Starts on p. 3. Very chatty discussion of how to minimize losses in the circuit: Regenerative: 14.0: 30 (2) 65: Short wave audion, 49 meter band [From German] After a design by Dave Schmarder. Regenerative: 14.0: 1T4: 66: Batterieempfänger mit der DCC90: Part of separate aper ...
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