Ramp function generator

Details Ramp function generator Ramp function generator

1975-03-31

1976-07-27

Ruggiero, Joseph F.

Registers

Transfer mechanism

Traveling pawl

307228, 328181, H03K 408, G06J 100

Patent

active

039719235

ABSTRACT:
A control circuit having a digital memory for providing sweep voltages to ceivers in a doppler satellite tracking station of proper amplitude and duration to ensure searching in the correct doppler frequency range. An internally generated ramp function voltage is combined with a reference voltage to produce a composite sweep signal for the receiver. The reference voltage level is determined either from a set of digi-switches or from a digital memory circuit which outputs a digital signal that is a function of the frequency of a received doppler signal.

REFERENCES:
patent: 3577084 (1971-05-01), Atcherson et al.
patent: 3657558 (1972-04-01), Patrickson
patent: 3662160 (1972-05-01), Hoppes
patent: 3882486 (1975-05-01), Montefusco et al.
patent: 3885138 (1975-05-01), Bates

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