A spread spectrum signal demodulation circuit includes a multiplier which multiplies an input spread spectrum signal by a demodulation PN code, and a demodulation PN code generator generates the demodulation PN code by utilizing an oscillation signal from a VCO as a clock signal thereof. An output of...http://www.google.de/patents/US5031191?utm_source=gb-gplus-sharePatent US5031191 - Spread spectrum signal demodulation circuit
