Solid state pulse generator for an air navigational system

Details Solid state pulse generator for an air navigational system Solid state pulse generator for an air navigational system

1975-10-01

1978-05-02

Safourek, Benedict V.

325164, 325186, H03K 700

Patent

active

040877558

ABSTRACT:
Solid state apparatus for transmitting signals in an air communication, navigational or identification system wherein a signal generator produces pulses of a desired character and repetition rate. In a normal mode of operation, Gaussian-shape pulses are formed by subjecting a linear phase or Gaussian filter to impulse signals. A responsive amplifier produces pulse signals for driving an RF transmitter which broadcasts air communication, navigational or identification signals. The signal generator and amplifier receive operating voltages from a power supply having an output characteristic such that the amplitude of the signal generator and amplifier output signals are reduced relative to increased pulse repetition rate in order to prevent overdriving the transmitter and to maintain optimum system efficiency.

REFERENCES:
patent: 2708738 (1955-05-01), Hathaway
patent: 3667049 (1972-05-01), Ostroff et al.

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