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SINGLE CYCLE TRANSMITTER

  • US 3,792,358 A
  • Filed: 12/15/1972
  • Issued: 02/12/1974
  • Est. Priority Date: 12/15/1972
  • Status: Expired due to Term
First Claim
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1. A very high power single cycle transmitter at low and very low frequencies comprising electrically short antenna means for low and very low frequencies, said antenna means having a predetermined lumped capacitance, first inductance means having a preselected magnitude, first diode means in a series arrangement with said first inductance means, a very high voltage power source having a positive and negative output, with said negative output connected to ground, said positive output being connected to said antenna means by way of said series arrangement to charge said antenna means, thyratron means having a cathode, control grid, and plate, said cathode beIng connected to ground, second inductance means having a preselected magnitude, said second inductance means interconnecting said antenna means and said plate of said thyratron means, means to trigger said thyratron means to permit the antenna charge to flow for a preselected time as determined by the magnitude of said lumped capacitance and said second inductance to complete a half cycle of said single cycle, said lumped capacitance then having its maximum negative charge whereupon said thyratron means ceases to conduct, and second diode means connected between said second inductance and ground becoming conductive upon the cessation of conduction in said thyratron means thus permitting a charge to flow back into said antenna means for a period substantially identical to said preselected time, completing the second half of said single cycle at which time said lumped capacitance is recharged positively.

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