ECH81 DATASHEET PDF

Page 1. Page 2. Page 3. Page 4. ECH81 Datasheet PDF Download – Triode – Heptode, ECH81 data sheet. Class, Va, Vg2, Vg1, Ia, Ig2, Ra, S, Notes. Static, , , , , Triode section. Frequency changer, , , Triode section. Static, , , , ,

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This was an intermediate solution at times when transistors were not ecg81 to work on higher frequencies. Collection of Karl – Heinz Bossan D. Collection of Peter Olasz H.

ECH81 Datasheet PDF –

Do datasheeh tube testers have different or the same set of instructions for both types? Text in other languages may differ. The triode is to be used as the local oscillator feeding the 13 Volts amplitude sine wave to the heptode mixer. Note how severe the attenuation is at low control grid G1 voltages at 0V.

RTT Franzis So all the 3 might come up with facts here – but no more “cooks” please – or then via eMail to them or to me. Collection of Niclas Pettersson S. Perhaps they may react in a different way!? Quantity fatasheet Models at Radiomuseum.

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ECH81 데이터시트(PDF) – List of Unclassifed Manufacturers

Before we present our results, I would like ech1 show how I and what resulted. Meyer Attachments comparation 19 KB.

As clearly was done. They are fed to an Audio-Amplifier with speaker. There is no gas inside the ECH Collection of Danko Tkalec HR. Collection of Werner Wussow D. The minutes of measuring a tube is shown in the picture below.

ECH81 Datasheet

Collection of Bekir Yurdakul F. When the grid has been placed closer to cathode, the required results are achieved. So the test can be done. The table below shows the averaged results. With the added current limiting resistors, any malfunction should be discovered by this.

See this forum article here about that. Collection of Jacky Parmentier F. They naturally show different values for a different usage volts anode. Collection of Karlheinz Fischer D. Collection of Ulrich Fieseler D. Collection of Emilio Focosi I. You reach this tube or valve page from a search after clicking the “tubes” tab or by clicking a tube on a radio model page.

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We have to make a sacrifice! Collection of Aldo Patriarca CH. We don’t want “jumping to conclusions”.

6I1P = ECH81 = 6AJ8 tube. Triode-heptode

Collection of Hermann Fleischanderl A. Believe it or believe it not, even with ec8h1 supply voltage reduced to 3 V both tube types are still functional! An independent measurement of the electrical and physical qualities was the goal. Collection of Hans- Georg Tenz D. If ever I am having doubts about my lack of knowledge in the area of radio, I simply read one of your articles.

This is the nominal recommended screen bias. Bearing in mind the maximum values given for the ECH81, a bench test set-up was easily created.