H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 3/70 (2006.01) H03F 3/217 (2006.01) H04B 1/04 (2006.01)
Patent
CA 2325826
A RF power amplifier system including a RF source for providing a train of RF pulses exhibiting RF cycles of a fixed frequency and each pulse is of a fixed amplitude and duration. A bridge circuit including a first transistor switch for, when on, connecting a DC voltage source across the load for DC current flow therethrough in a first direction and a second transistor switch for, when on, connecting said DC voltage source across said load for DC current flow therethrough in a second direction. A switch driver for, when enabled, passes the RF pulses for driving the first and second transistor switches on and off at a frequency dependent upon that of the RF pulses and in such a manner that current from the DC voltage source alternately flows in the first and second directions through the load. A driver controller provides turn-on signals and selectively applies them to the switch driver for enabling the switch driver for passing the RF pulses to the transistor switches. The switch driver includes first and second logic gates respectively connected to the first and second transistor switches. First and second inductive steering circuits are respectively interposed between the first logic gate and the first transistor switch and the second logic gate and the second transistor switch.
Harris Corporation
Oldham Edward H.
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