logarithmic amplifier

Design of a Large Dynamic Range Video Logarithmic Amplifier

一种大动态视频对数放大器的设计

Design of a high frequency true logarithmic amplifier

一种高频真对数放大器的设计

Design of Test System for Logarithmic Amplifier Assembly

对放组件测试系统设计

A Low Noise Large Dynamic Successive Detection Logarithmic Amplifier

一种低噪声大动态连续检波式对数放大器的设计

Experimental Study of the Logarithmic Amplifier as Applied to the Conical Scan Radar

锥扫方式雷达加装对数放大器的实验研究

Research And Development of A Direct Current Differential Logarithmic Amplifier With Two-terminal Inputs

一种双端输入的直流差动对数放大器的研制

Techniques to improve dynamic range of digital receivers with true logarithmic amplifier were presented .

提出了利用真对数放大器扩展数字接收机动态范围的方法。

A Wide Dynamic Range Successive Detection Logarithmic Amplifier

大动态连续检波式对数放大器的设计

The General Theory of a Multi-Stage Logarithmic Amplifier with Each Stage Driven Sequentially

逐级进入式对数放大器的理论分析及应用

The operating principle of X531 true logarithmic amplifier is briefly described .

本文简述了X531真对数放大器单元电路的工作原理。

Logarithmic amplifier 、 delay window 、 pulse width detecting are used to further improve the measuring precision ;

利用对数放大电路、延迟窗口和脉宽检测等技术，进一步提高了系统可靠性。

Double gain stage logarithmic amplifier

双增益级对数放大器

Starting with analysis of basic principles of a high gain true logarithmic amplifier ( TLA ), its characteristics are discussed .

从分析真对数放大器（TLA）基本原理入手讨论了高增益真对数放大器的性能特点；

The signal received is sampled after passing through a TGC and a logarithmic amplifier .

接收声信号经过TGC与对数放大器增益补偿和动态范围压缩后，进行数字化变换。

A True Logarithmic Amplifier in MCM

MCM真对数放大器

A successive detection logarithmic amplifier ( SDLA ) is described , with regard to its operational principle and structure .

介绍了大动态连续检波式对数放大器（SDLA）的设计方法、工作原理和结构。

Characteristics of dual-tone inter-modulation of the true logarithmic amplifier and its application in DBF were simulated .

对真对数放大器的双音互调特性及其DBF应用进行仿真验证。

It is also demonstrated that the AGC systems with exponential gain control characteristic may strictly be transformed into a linear system by using any logarithmic amplifier .

在比较器和受控放大器之间接上一个对数放大器，就可以使增益控制特性为指数函数的AGC系统严格线性化。

The phase-locked loop band-pass filter and the logarithmic amplifier is adopted in the circuit to insure the reliability of receiving signal .

电路中采用锁相带通滤波器和对数放大器，保证有效信号的可靠接收。

To disposal of takeover signal , the logarithmic amplifier , window and pulse width detecting are utilized to improve the stability and reliability of the system .

在接收信号处理上，采用了对数放大电器、窗口、脉宽检测等技术，有效地提高了系统的稳定性和可靠性；

The logarithmic amplifier of quite wide dynamic range is used to detect the faint electric current of nA level , which possesses the resolution in the minor signal .

运用具有很大动态范围，对小信号具有高分辨力的对数放大电路实现了nA级微弱电流的检测。

A Low-Noise High-Gain Wide-Band Logarithmic Amplifier

一种低噪声高增益宽带视频对数放大器

Cascaded Logarithmic Amplifier in Microassembly

微型组装的级联对数放大器

Plane diffraction grating , logarithmic amplifier and stable constant-current source are used in the system , thus the performance of the instrument is enhanced significantly and the cost is reduced .

系统采用了平面衍射光栅、专用阵列探测器、对数放大器以及高稳定恒流源，有效地提高了仪器的整体性能，同时降低了生化分析仪的成本。

HL 60 cells induced by camptothecin were treated with hypertonic phosphate citric acid buffer , and the DNA content was detected by using linear and logarithmic amplifier simultaneously .

喜树碱（CAM）诱导人类急性早幼粒细胞白血病细胞株（HL-60）细胞，以高渗磷酸-柠檬酸盐缓冲液（PC）处理，并同时用线性放大和对数放大进行DNA含量分析。

This paper introduces a basic conception of logarithm amplifier and a useful logarithmic amplifier using the chip of AD8313 that has a wide bandwidth , high dynamic range and high accuracy .

介绍了对数放大器的基本概念以及利用AD8313对数放大器集成芯片研制的实用宽带、大动态范围、高精度对数放大器模块。

Making use of this method , the logarithmic amplifier dynamic range is very large , and besides , this circuit is very simple and effective . By changing some parameters it can also achieve larger dynamic range .

采用该方法实现的对数放大器动态范围大，电路简单易于实现，对电路参数稍加改动还可实现更大动态范围的对数放大器。

In the field of electronic measurement , some signals have very large dynamic range . In order to measure and analyze these signals expediently , modern measurement receiver used to adopt a design of large dynamic range logarithmic amplifier .

在电子测量领域中，一些信号的电压往往具有很大的动态范围，为了更加方便地测试和分析这些信号，在现代测量接收机的设计中，常常采用大动态范围对数放大器设计技术。

In the blue print of the digital , make sure of the logarithmic Amplifier , A / D / A converter and FPGA realize the IF amplifier , big dynamic range AGC , detect and video process same as that in the blue print of the analog .

在数字方案中，笔者结合软件无线电技术，通过使用对数放大检波器、A/D/A转换器以及FPGA软件实现了同样的中频放大、大动态范围的AGC控制、以及检波、视频信号处理等功能。

The received signal strength indicator ( RSSI ) in a CMOS limiting / logarithmic amplifier , which is proposed for optical receiver at bit rate of 155 Mbit / s , is designed and realized in a 0.6 μ m double-poly n-well CMOS process .

介绍了一种应用于光接收机系统、速率可达155Mbit/s的CMOS限幅/对数放大器的接收信号强度指示器（RSSI）。电路采用0.6μm双多晶硅N阱CMOS工艺设计并实现。