LA1787MRF/IF射頻/中頻RFID的射頻接收器規(guī)格書PDF中文資料

LA1787M屬于RF/IF射頻/中頻RFID的射頻接收器。由安森美半導(dǎo)體公司制造生產(chǎn)的LA1787M射頻接收器RF 接收器用于接收已調(diào)制的射頻信號并對其進(jìn)行解調(diào)，然后將數(shù)據(jù)傳送到系統(tǒng)中進(jìn)行處理。頻率范圍是 AM、FM、WB、0 Hz 至 64 GHz，數(shù)據(jù)速率為 250 bps 至 16 Gbps，數(shù)據(jù)接口包括連接器、I2C、I2S、引腳焊盤、并行、PCB、串行、焊盤、SPI、UART 和 USB。

Overview

The LA1787M integrates all six blocks required in a car radio tuner on a single chip.

Features

? Improved noise reduction methods

— The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M.

— Superlative listenability due to improved medium and weak field noise canceller characteristics.

— Improved separation characteristics

— Anti-birdie filter

— Improved AM and FM thermal characteristics

— Excellent FM signal meter linearity

— Modified N.C. circuit for improved noise rejection

? Improved AM adjacent channel interference characteristics (?40 kHz)

? Double conversion AM tuner (up conversion) Reduces the number of external components required as compared to earlier double conversion tuners, in particular, no crystal is required (when used in conjunction with the LC72144).

? Sample-to-sample variation reduction circuit built into the FM IF circuit. (Fixed resistors are used for the SD, keyed AGC, mute on adjustment, ATT, SNC, and HCC functions.)

? Improved FM separation temperature characteristics

? The LA1787 inherits the block arrangement of the LA1780M and supports pin-compatible designs.

Functions

? FM front end

? FM IF

? Noise canceller

? Multiple

? AM up-conversion

? FM/AM switch

? MRC