Mullard
ET51
Description
'Trochotron' crossed-field electron beam decimal counting tube. External magnet.
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Ultraszybki beam-switching decade counter (skalery, analizatory). 呕arnik 6.3V/0.3A. Target 100V/5.5mA, Screen 100V/1mA, polaryzacja siatki +25V. Max cz臋st. zliczania 1000 kHz.
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