NXP全球首创Low IF Tuner，TEF660x系列FM/AM调谐器广泛应用于汽车收音机主机及家用音响等收音装置。TEF660x系列调谐器采用了突破性的整合设计，在单一芯片上整合了全部关键射频元件，并省去了对手动调节的需求。因此，设备制造商可以轻易的将调谐器应用在主机板上，不再需要调谐器模块，从而在主机中节省了很大空间并降低了系统成本。目前已获的日本JVC等一流厂商采用。
TEF6601和TEF6606整合了全部的关键射频元件，包括：压控振荡器，陶瓷滤波器，IF变压线圈，低噪音放大器和自动增益控制，只需要32个低成本的外围元件。此外，通过特殊的大信号处理的功能，这款低IF调谐器支持汽车收音机应用的高性能需求。
FEATURES：
·FM tuner for Japan, Europe, US and OIRT reception
·AM tuner for Long Wave (LW), Medium Wave (MW) and Short Wave (SW) reception
·Integrated AM Radio Frequency (RF) selectivity
·Integrated PLL tuning system; controlled via I2C-bus including automatic low/high side Local scillator (LO) injection
·Fully integrated LO
·No alignment needed
·Very easy application on the main board
·No critical RF components
·Fully integrated Intermediate Frequency (IF) filters and FM stereo decoder
·Fully integrated FM noise blanker
·Fully integrated AM audio noise blanker
·Field strength (LEVEL), multipath [Wideband AM (WAM)], noise UltraSonic Noise (USN)] and deviation dependent stereo blend
·Field strength (LEVEL), multipath (WAM), noise (USN) and deviation dependent High-Cut Control (HCC)
·Field strength (LEVEL), multipath (WAM) and noise (USN) dependent soft mute
·Adjacent channel and deviation dependent IF bandwidth control [Precision Adjacent Channel Suppression (PACS)]
·Single power supply
·Qualified in accordance with AEC-Q100
APPLICATIONS：
·Car Radio for FM+AM Tuner
·Home Media
·Portable Radio
TEF6601 / TEF6606 on Servo Board：
Major Benefits：
·Low IF: A breakthrough in receiver technology for entry level car radio
·All critical RF components integrated
·Easy application on the main board in the radio
·Absolutely no adjustments needed
·Only ~32 external components
·Bandwidth is automatically adapted to momentary present reception conditions
·Increased channel selectivity
·Clear reception in 100kHz situation
·Up to 2x more clearly received stations
·Improved RDS performance
·Improved reception in overmodulation countries (Italy)
·Global application
·Country specific settings by software
·Receiver alignment by software
·Less external filters
