The Zero-IF receiver includes differential-end low noise amplifiers(LNA) and doubled-balanced mixers,which LO input is come from VCO.
4GHz的射频前端零中频接收机。
In this paper, based on research and analysis in zero-IF receiver architecture principles and characteristics, the circuit adopts the avtive RC topology to achieve low-pass filtering, the third-order Butterworth channel selection filter prototype is realized through the leap-frog method.
本论文在研究分析零中频接收机系统结构原理与特点的基础上,选择了有源RC滤波器来实现基频电路的低通滤波功能,并采用跳蛙结构来实现三阶巴特沃斯通道选择滤波器;作为系统直流偏置源,设计了具有相对于温度和电源电压稳定的带隙基准;为了消除温度和工艺等外界因素的影响,采用了电容阵列以调节滤波器的截止频率以及频响曲线;为了使基频电路的输出信号能够适合于其下一级模数转换器的动态范围,在电路中加入可调增益放大器,实现了增益可变功能;为了消除零中频接收机中的直流偏移电压以防止主通路中运算放大器饱和,电路采用了伺服回路架构的设计;芯片设计采用了TSMC 0。
This paper introduces a method using Multiplier and adder in order to replacing A/D circuit in non-intermediate-frequency receiver.
本文介绍一种采用乘法器与加法器相结合电路替代一般零中频接收机中A/D转换电路的方法。
In this paper,a design scheme of zero-intermediate frequency digital receiver is introduced,which is based in in_quadrature multiphase filtering.
本文介绍了一种基于多相滤波正交化处理的零中频数字接收机的设计方案。
Noise Analysis of the Homodyne UHF RFID Receiver
超高频RFID零中频接收机噪声分析
Zero-IF receiver and suppression methods for DC-offset;
零中频接收机及其直流偏移抑制方法
Design of Analog Baseband Circuit for GSM Zero-IF Receiver
应用于GSM零中频接收机的基频电路设计
Design and Simulation of Zero Intermediate Frequency Receiver of VHF Radio in Armored Vehicles
装甲车载超短波电台零中频接收机设计与仿真
2.4GHz CMOS Zero-IF Receiver;
2.4GHz CMOS零中频射频接收机
However, zero IF architecture suffers from greater RF impairment comparing with classical heterodyne architectures.
但是相对于经典的超外差结构,在零中频结构的接收机中射频损伤将更为严重。
The Research of the Downconverter of the Intermediate Frequency(if) Digital Receiver;
中频数字化接收机中的下变频器研究
We have discovered that the signal freguency receivered driffes off and small in making up the receiver of882 F freguency modulation.
在882F调频接收机组装过程中发现,调频接收频率偏小。
Synchronization Technology and Implementation in IF Digital Receiver
中频数字接收机中的同步技术及实现
AD9240 and Its Application in Digital IF Receiver
AD9240及其在中频数字化接收机中的应用
Application of digital down converter HSP50214B in IF digital receiver
数字下变频器HSP50214B在中频数字接收机中的应用
Research on Digital IF Receiver of Satellite Navigation System by Using FPGA Devices;
基于FPGA的全数字中频导航接收机研究
Study on the High Dynamic and Whole Digital Intermediate Frequency Direct Sequence Spread Spectrum Receiver System;
高动态全数字中频解扩接收机的研制
Design and Realized of CMOS Mixer in the GPS Receiver
GPS接收机中CMOS混频器的设计与实现
Research on the IF interference in the front-end of CDMA receiver
CDMA接收机前端中频干扰问题的研究
A Test System with SMU200A for DSSS IF Receiver
基于SMU200A的中频直扩接收机测试方案
Coarse Carrier Frequency Offset Estimation in CMMB Receiver
CMMB接收机中的粗载波频偏估计
Design of UHF RFID high intermediate frequency receiver
UHF RFID高中频接收机的研究
