9 Integrated circuits for use in mobile personal communication devices, namely, personal portable telephones, pagers, computers, personal digital assistants, and smart phones, i.e., devices that combine the features of a personal digital assistant with the features of a portable telephone, and that perform the functions of a fully integrated receiver-on-a-chip including low noise amplification, radio frequency to intermediate frequency downconversion, UHF Local Oscillator signal distribution, automatic gain control, quadrature Intermediate Frequency-to-baseband downconversion, Intermediate Frequency Local Oscillator signal generation and distribution, and in-phase and quadrature baseband filtering, and serial bus control interface