MICRF008YM-TR RF/IF and RFID

Current - Receiving:	7mA
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	4.75 V ~ 5.5 V
Features:	Automatic Tuning
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Data Interface:	PCB, Surface Mount
Series:	--
Applications:	Garage Openers
Modulation or Protocol:	OOK
Data Rate (Max):	4.8 kbps
Sensitivity:	-95dBm
Frequency:	300MHz ~ 440MHz
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

RF receivers are essential components to modern wireless communication systems. An RF receiver is a device that converts an incoming radio frequency signal into audible or usable form. Among different types of RF receivers, the MICRF008YM-TR receiver is one that stands out for its unique design. This article will discuss the application field and details of its working principle.

Application Field

The MICRF008YM-TR is a type of low power, 3V, single-chip CMOS-RF receiver especially designed for ZigBee-PRO applications. It is intended for use as a transceiver station for embedded systems and features a low current consumption and high performance. It is suitable for applications in short-range and home automation networks such as lighting control, security, and access control systems. In addition, it can also be used in home health care, industrial automation, and commercial building applications.

Working Principle

The MICRF008YM-TR uses direct conversion architecture, where incoming signals are translated into a digital output by the demodulator, eliminating the need for additional conversion circuitry. It features on-chip selectable bandwidth, which allows for an adjustment in the receiving frequency range. Additionally, it also has high image immunity and input frequency range of 902 MHz to 928 MHz.The automatic gain control (AGC) circuit of the MICRF008YM-TR works by reducing the overall gain of the receiver when the incoming signal is very strong and increasing it when it is very weak. The AGC works in tandem with the variable gain amplifiers and demodulators to ensure the optimum reception of the signal.The MICRF008YM-TR also features a data slicer that generates data code measurement, allowing the demodulated data output to be presented in an uninterrupted and precise manner. This ensures that the data transmitted and received complies with the ZigBee-PRO standard.Lastly, the device also has a high performance, low noise, low I/Q balance channel selector that allows for the selection of the optimum receiving frequency and channel bandwidth. This ensures that the MICRF008YM-TR is able to accurately identify and receive the ZigBee-PRO protocol signals.

Conclusion

In conclusion, the MICRF008YM-TR is a low power, 3V, single-chip CMOS-RF receiver that is specially designed for ZigBee-PRO applications. It is capable of accurately and reliably receiving a wide range of signals within its specified frequency range and channel bandwidth. It features on-chip selectable bandwidth, automatic gain control, data slicer, and a high performance channel selector. This makes it suitable for use in short-range and home automation networks such as lighting control, security, and access control systems.

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