QN8007B

QN8007B/8007LB High Performance Digital FM Transmitter for Portable Devices ____________________________ General Description ________________________ The QN8007 is a high performance, low power, full-featured single-chip stereo FM transmitter designed for portable audio/video players, automotive accessories, cell phones, and GPS personal navigation devices. It integrates transmitting functions, clear channel scan, and antenna tuning to ease matching in real applications. Advanced digital architecture enables variable input gain programming; selectable pre-emphasis, precision low-spur MPX stereo encoding and pilot tone generation, low-noise PLL-based modulation, and an on-chip power amplifier with variable output level and RF band-pass filtering to ensure optimum transmit spectrum purity. With its small footprint, minimal external component count and multiple clock frequency support, the QN8007 is easy to integrate into a variety of small form-factor low power portable applications. An integrated voltage regulator enables direct connection to a battery and provides high PSRR for superior noise suppression. A low-power Standby mode extends battery life. ESD protection is on all pins. The QN8007 is fabricated in highly reliable CMOS technology. _____________________________ Key Features _____________________________  Worldwide FM Band Transmit 76 MHz to 108 MHz full band tuning in 50/100/200 kHz step sizes 50/75s pre-emphasis  High Performance FM Transmitter (FMT) 66...