GU 74b Acom amplifier tetrode 4CX800/GU74b tube for Acom 2000A, Acom gu78b linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200
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73 Al 4L5A. The voltage for a GU78b tube is about 96V and every volt means the cathode current change about 40-80 miliampers. Therefore the regulator is permanently Dec 5, 2008 linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200 3cx1200a7 8877 3cx1500 4cx250 4cx15000a gu36b. Apr 28, 2015 When time permits, I am designing single band, and multi-band, Grid Driven Power Amplifiers using GU-84B for 10 and 15 Meters, and GU-78B ik5swprojet. IK5TSW REALIZATIONS.
2 pictures. Tavla i trä, Minne från A 6 sista GU bat 1984. 1 picture. View more Karl Swedberg.
7931A fi nns i pdf-format pd http://kollegieblocket.ncm.gu.se/ƒq=node/76. av U Moritz · 2004 — Göteborg: Göteborgs Universitet; 1995. 36.
2021-01-12
The GU- 74b / 10 июл 2014 Легендарная лампа GU-78B ГУ78Б. HF amplifier at GU-78B/КВ усилитель на ГУ-78Б. R0CBB Константин Клементьев. Russian Soviet Tube GU-84B / GU84B / 4CX2500, tetrode NEW NOS BOXED 1 x SOCKET FOR RUSSIAN TUBES GU 84B / GU84B GU 78B / GU78B NEW!!!
The GU-78B tetrode is used for power amplification in distributed amplifiers and single-sideband signal amplifiers at frequencies up to 250 MHz, in RF industrial engineering equipment. Tube is NEW, NOS and never used before! Name: GU78B;
Målning på insidan av övre dörren t h 15 maj 2551 BE — Einar Steingrimsson vid GU maj 2005. 4¨78B (G1h( 7!1 E #& c IH !
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In this amplifier a tetrode GU 78b is used in a grounded-cathode circuit (input into control grid). This amplifier achieves excellent linearity by the voltage stabilization of the control grid bias and the screen voltage. The power input is given to the control grid, using a broadband input circuit with an input impedance of 50 Ohms. GU-78B (ГУ-78Б ) Tube Condition-NOS, Never Used. Easy to tell by theBLUEOTK stamps, which easily fade and turn gray when used due the heating. Please note- Minor bents/dents on the cooler and metal parts, due storage without original box, as pictured.
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Main function is a use in power amplifiers at frequencies up to 250 MHz and power amplifiers with a distributed amplification and SSB-signal Find great deals on eBay for gu78b. Shop with confidence.
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The GU-78B tetrode is used for power amplification in distributed amplifiers and single-sideband signal amplifiers at frequencies up to 250 MHz, in RF industrial engineering equipment. GENERAL Cathode: indirectly heated, oxide-coated.
Hörngatan 16A, 5, 3. Hörngatan 16B, 5, 3.