Axonn, L.l.c.

H Britton Snderford, Jr

A low cost spread spectrum modulator for BPSK, or Binary Phase Shift Keying capable of outputting the high modulation rate and suppressed carrier output needed in spread spectrum systems. The present invention provides high quality BPSK modulation without the double balance mixers as required in the prior art, thereby dispensing with the necessity of complex transistor/potonciometer or diode/transformer arrangements. The present invention provides BPSK modulation utilizing only one transformer, which can be adjusted for carrier suppression and two transistors, allowing the present system to be driven from low power CMOS logic levels, yet producing eight db of gain.

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New Orleans, LA, United States of America

H Britton Snderford, Jr