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Amplifier Circuits:  High Gain Circuits
Amplifier -- Main Page

Last Updated on: Thursday, April 07, 2016 01:01 PM

 
Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
AN-589: Ways to Optimize the Performance of a Difference Amplifier -  AN-589 Analog Devices App Note - This Application Note presents several ways to build and optimize  performance of a discrete difference Amplifier. It also recommends Amplifiers that will make  overall solution cost/performance competitive with monolithic instrument Amplifiers. . . .  

AN867: Temperature Sensing with a Programmable Gain Amplifier -  Application Note Published 26-Jun-03  . . .  [Microchip]

Analog-input circuit serves any microcontroller -  12/20/01  EDN Design Idea   The simple ADC in Figure 1 is perfect for getting analog signals into a purely digital microcontroller. Using just five surface-mount parts, you can assemble it for less than 50 cents (1000], which is approximately half the cost of . . .  [by Steven Hageman, Agilent Technologies, Santa Rosa, CA]

Circuit performs high-speed voltage-to-current, current-to-current conversion -  07/25/02  EDN Design Idea   The circuit in Figure 1performs active voltage-to-current conversion or acts as a variable-gain current mirror with high precision and bandwidth. A typical application is testing high-speed ICs or other devices that have inputs des. . .  [by Ali Mehmed, Nokia UK Ltd, Southwood, UK]

High Gain Amplifier Circuit -  In this project a 2-transistor Amplifier is built on the first section of the Printed Circuit Board and a touch plate is connected to it so that the LED turns on when the plate is touched. . . .  [Collin Mitchell's web site]

LED Driver Delivers Constant Luminosity -  06/12/03  EDN Design Idea   White-LED driver touts high efficiency - The circuit in Figure 1 is similar in principle to that of a previous Design Idea   (Reference 1] but offers improved, reproducible performance. The output current is almost constant over an inp. . .  [by Israel Schleicher, Bakersfield, CA]

LX5506M High Gain, High Efficiency Power Amplifier Also see LX5506 & LX5506B-AN-36 -  Application Note 36. . .  [Microsemi Corp]

Network imitates thermocouples -  11/08/01  EDN Design Idea   Thermocouples find widespread use for temperature measurement in systems. During system design or testing, you must observe the system's response at different temperatures. However, it's inconvenient to heat a thermocouple every tim. . .  [by Abel Raynus, Armatron International, Melrose, MA]

Performs High-Speed Voltage-To-Current, Current-To-Current Conversion -  07/25/02  EDN Design Idea   The circuit in Figure 1performs active voltage-to-current conversion or acts as a variable-gain current mirror with high precision and bandwidth. A typical application is testing high-speed ICs or other devices that have inputs des. . .  [by Ali Mehmed, Nokia UK Ltd, Southwood, UK]

Perfrom high-speed voltage-to-current, current-to-current conversion -  07/25/02  EDN Design Idea   The circuit in Figure 1performs active voltage-to-current conversion or acts as a variable-gain current mirror with high precision and bandwidth. A typical application is testing high-speed ICs or other devices that have inputs des. . .  [by Ali Mehmed, Nokia UK Ltd, Southwood, UK]

Positive feedback yields fast amplifier with precision DC offset -  04/01/04  EDN Design Idea   Some signal-processing applications require a high-speed, low-noise, dc-coupled Amplifier that incorporates a precision dc-offset adjustment. Examples include oscilloscopes, in which the offset adjustment typically acts as a "positi. . .  [by Steve Woodward, Chapel Hill, NC]

Precise Gain Without External Resistors -  DN348  Design Notes (Linear Technology)  . . .  [Linear Technology]

Programmable-gain Amplifier is low-cost -  01/18/01 EDN Design Idea   Numerous programmablegain amplifiers are available, but a simple solution provides the option of using 256 gain steps with an 8-bit DAC and higher steps. PDF has several circuits, scroll down. . . .  [by J Jayapandian, Indira Gandhi Centre for Atomic Research, Kalpakkam, India]

Sensing Light with a Programmable Gain Amplifier -  Application Note Published 28-Mar-03. . .  [Microchip]

Simple 0 to 24 dB Gain Amplifier & Balanced Line Driver-  AS022 Application Note  (App Note - 6/07) . . .  [Jenson Transformers]

Temperature Sensing with a Programmable Gain Amplifier -  Application Note Published 26-Jun-03  . . .  [Microchip]

Transistor Preamp -  A versatile, High Gain design. Can be Frequency compensatated for Various applications, including Dynamic Microphones, Tape and Phono Applications. Shown are Values for a Flat & RIAA response, but many others can be created. . . .  [G.L. Chemelec, designer]

Transmitter Accurately Transfers Voltage Input -  05/15/03  EDN Design Idea   When you connect remote sensors to a central process controller, a simple, robust, and commonly used interface is the 4- to 20-mA loop. The advantages of this current loop include the simplicity of just two twisted wires that share. . .  [by Clayton Grantham, National Semiconductor, Tucson, AZ]

User's Guide to Applying & Measuring Operational Amplifier Specifications-  AN-356 Analog Devices App Note - . . .  

Very Good Transistor Preamp -  A versatile, High Gain design. Can be Frequency compensatated for Various applications, including Dynamic Microphones, Tape and Phono Applications. Shown are Values for a Flat & RIAA response, but many others can be created. . . .  [G.L. Chemelec, designer]

Voltage-To-Current Converter Makes A Flexible Current Reference -  09/18/03  EDN Design Idea   The voltage-to-current converter in Figure 1 can both source and sink current. The circuit isflexible than some traditional current references that require different topologies for current sourcing and sinking. Also, you can easily. . .  [by Art Kay, Texas Instruments, Tucson, AZ]

Ways to Optimize the Performance of a Difference Amplifier -  AN-589 Analog Devices App NoteThis Application Note presents several ways to build and optimize the performance of a discrete difference amplifier. It also recommends Amplifiers that will make the overall solution cost/performance competitive with monolithic instrument Amplifiers. . . .  

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