Direct up-conversion is the most cost effective solution for transmitter architectures, andthe most important criterion in base station designs. The carrier to noise ratio of the I/Qmodulator is the most critical para...Direct up-conversion is the most cost effective solution for transmitter architectures, andthe most important criterion in base station designs. The carrier to noise ratio of the I/Qmodulator is the most critical parameter in the WCDMA technology. The TRF3702 I/Q-modulator provides a carrier to noise performance with margin while maintaining anexcellent ACPR performance. This article details the technical requirements related tothe carrier to noise floor of an analog quadrature modulator in a single- and multi carrierWCDMA BTS.展开更多
文摘Direct up-conversion is the most cost effective solution for transmitter architectures, andthe most important criterion in base station designs. The carrier to noise ratio of the I/Qmodulator is the most critical parameter in the WCDMA technology. The TRF3702 I/Q-modulator provides a carrier to noise performance with margin while maintaining anexcellent ACPR performance. This article details the technical requirements related tothe carrier to noise floor of an analog quadrature modulator in a single- and multi carrierWCDMA BTS.