av E Engdahl · 2012 · Citerat av 17 — 13 form as in (​78a), the result is not as clearly ungrammatical as in (77) or as in (78b) with.

och mässingringar). Horndelen: Gu/L 7,6 cm GÅ/B 1,7 cm. Gu/L 128 cm (med knytband) knytband Gu/L 21,7 cm och 23 cm. Nr 3; L 78, B 3. Nr 4; L 74 B 3.

main page back to list Name (click=photo) Price, USD Equivalents Description; GU-78b: 367 USD : 0,010882 linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200 3cx1200a7 8877 3cx1500 4cx250 4cx15000a gu36b I have a GU-78B tube in my PA. After 1000 hours of work, a short circuit occurred between the first grid and the cathode. This happens when the GU-78B heats up. "Treatment" was applied. Discharge the 400uF capacitor charged to 150 V between the first grid and the cathode. It helped, but so far only for the next 50 hours of work.

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Varje kort har sökord så att alla kan förstå dem. De mest populära radiorören som accepteras som skrot av radiokomponenter är: indikatorrör, GU-43B-lampa, GU-33B-radiorör, 6S5D-radiorör, GI-7B-radiorör,  ideella organisation: PRENUMERERA PÅ VÅRT NYHETSBREV Adress: FriSe – Frivilligcentre og Selvhjælp Danmark Frederiksgade 78B, 1. 8000 Aarhus C 50 KSEK från LIF samt 79 KSEK fakultetsmedel från GU. 3.

GU-78b Parameters and characteristics . main page back to list Name (click=photo) Price, USD Equivalents Description; GU-78b: 367 USD : 0,010882

It helped, but so far only for the next 50 hours of work. Actual pictures. NOS gu-78 tube, one or more. Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab GU-78B 4CX3000 Russian Svetlana Tetrode Tube Brand New Old Stock 2008 Lot 1pc.

Nov 22, 2017 - hf power amplifier project powered by gu 78b by sv8je . Listed under the Technical Reference/Amplifiers/HF Amplifiers category that is about Amateur linear amplifiers.

$500.00 + $70.00 shipping .

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Ola lindgren barn

Weight - 1.8 kg. GU-78B New, without factory packing, tested. Lot 1 pcs 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.

Output power: 3.8KW(with 100w input ) Plate voltage:330 GU-78B 4CX3000 Russian Svetlana Tetrode Tube Brand New Old Stock 2008 Lot 1pc.
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GU 74b Acom amplifier tetrode 4CX800/GU74b tube for Acom 2000A, Acom gu78b linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200 

This particular PA is to be operated at about 750W out; the tube lasts a VERY long time at this lower level and is virtually free of intermodulation products. About 2m GU-78b 4 kW Amplifier The resource is currently listed in dxzone.com in a single category. The main category is Amateur linear amplifiers that is about VHF linear amplifiers. This link is listed in our web site directory since Wednesday Jul 21 2010, and till today "2m GU-78b 4 kW Amplifier" has been followed for a total of 1345 times.So far received 1 votes for a total score of 10.00/10 2009-07-04 2021-01-12 GU-78B (The old HA-Power) The first steps . Every parts are at right place .