| 摘要 |
In this circuit, it is proposed that at least one tetrode (4) is provided for RF rectification, that one or both grids of the tetrode (4) have positive feedback with respect to the phase of the alternating anode voltage via a capacitive voltage divider (5), and that the power level is adjusted by varying the grid resistors (R1, R2). The circuit according to the invention is used, in particular, for testing the performance of transmitting tubes or amplifiers. <IMAGE>
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