CGS beam modulator: Difference between revisions

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Rob Kam

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Line 1: [[File:cgs_panel_6bn6.jpg\|right\|thumb\|102px\|]] The '''CGS beam modulator''' module is based on [[Eric Barbour]]'s second [[Audio synthesis via vacuum tubes/Using sheet-beam tubes\|beam tube modulator]] design, featuring a 6BN6 FM detector tube. In fact, I used a 4BN6, and as my filament supply was only 5.5 volts, I put three 1N4004 diodes in series with it to drop it down to the appropriate level. Pretty much everything else was as per the circuit diagram, except for the inclusion power supply decoupling using a 680R resistor and a 100mfd capacitor. Line 11: [[File:cgs_photo_6bn6_3.jpg\|thumb\|center\|370px\|]] [[File:cgs_photo_6bn6_4.jpg\|thumb\|center\|370px\|]] == CC-BY-NC == Readers are permitted to construct these circuits for their own personal use only. Ken Stone retains all rights to his work. == See also == Line 18 ⟶ 21: == References == ''[https://web.archive.org/web/20030524005133/http://www.cgs.synth.net/ Beam Modulator]'' ~~(archived)~~ by Ken Stone, 2001, with permission of the author - archived == External links == * [http://groups.yahoo.com/group/CGS_synth CGS Synth discussion group], for discussion of locating parts, modifications and corrections etc. * [http://www.nj7p.org/Tubes/PDFs/Frank/093-GE/6BN6.pdf 6BN6 data sheet] [[Category:CGS modular]]▼ ▲[[Category:CGS ~~modular~~tube modules]]