logarithmic amplifier

A True Logarithmic Amplifier in MCM

MCM真对数放大器

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。

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；

Cascaded Logarithmic Amplifier in Microassembly

微型组装的级联对数放大器

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。

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。

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 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。

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 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。

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。

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。

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

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

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；

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 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。

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。

Design of Test System for Logarithmic Amplifier Assembly

对放组件测试系统设计

Double gain stage logarithmic amplifier

双增益级对数放大器

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。

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

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。

Design of a high frequency true logarithmic amplifier

一种高频真对数放大器的设计

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。

Design of a Large Dynamic Range Video Logarithmic Amplifier

一种大动态视频对数放大器的设计

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 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。