| 摘要 |
<p>A power unit for a grid pulsed O-type microwave tube (1) having a cathode (2) and a collector (3), comprises a cathode unit (5) and a collector unit (6), each having two output terminals (7, 8; 9, 10). A first and a second capacitor (C1, C2) are connected between the output terminals of the respective unit (5, 6). One output terminal (7) of the cathode unit (5) is connected to the cathode (2) of the tube (1), while the other (8) is connected to a ground terminal. One output terminal (9) of the collector unit (6) is connected to the collector (3) of the tube (1), while the other (10) is interconnected with that one (7) of the output terminals of the cathode unit (5) that is connected to the cathode (2) of the tube (1). To minimize crosstalk caused by the collector unit (6) across the first capacitor (C1), the output terminals (9, 10) of the collector unit (6) are connected to said second capacitor (C2) via non-capacitive impedances (Z1, Z2), and to said ground terminal via decoupling capacitors (C31, C32).</p> |
