Photodiode Amplifier Circuits

What will happen if the op amp is replaced by an instrumentational amplifier in the given ciruit?

http://hyperphysics.phy-astr.gsu.edu/hbase/Electronic/photdet.html
Please look at the first circuit, Photodiode Light Detector

The instrumentation amplifier is similar in some ways but instead of having a very high gain, it has a defined gain that is programmed by the user. If it was set to Av = 1000 or more it may appear to work, but would be inaccurate. The open loop gain of an op amp is more like 1,000,000 but not defined.

An instrumentation amplifier can be used in a different way. It measures the voltage across a resistor used to load the photo-diode. The resistor is chosen so that with full scale illumination of the photo diode there will be 10 or 20mV across it. WIth less load (resistor too high) the voltage will be higher, but the photo-diode output will be more compressed (non linear as the illumination increases). This may be useful too. The resistor and the + and - inputs of the amplifier are connected across the photo diode. There must be a path to common for the bias current of the inputs. Ideally have two equal resistors in series for the load, and connect the center point to common through another resistor from 10K to 1M. An instrumentation amplifier usually has a reference connection, connect this to common too. These are more expensive, but have some advantages in that a balanced differential input can be used without loading the signal source. Common mode voltages are suppressed, it only measures the difference between the two inputs. A cable of a few meters length becomes practical.

The resistor. Measure the short circuit current of the photo diode with maximum or full scale illumination.Calculate the resistor from ohms law. Use this current and 10mV. Thus for 1mA the resistor is 0.01V / 0.001A = 10 ohms. Use 2 x 4.7 ohms in series to provide a center tap. Now set the gain of the amplifier to give full scale voltage with 10mV input. You get the formula for calculating the gain from the data sheet.

Amplifier Circuits $57.48 No Synopsis Available

Broadband OptoElectrical Receivers in Standard CMOS $269.24 This book opens with the basics of the design of optoelectronic interface circuits. The text continues with an indepth analysis of the photodiode, transimpedance amplifier (TIA) and limiting amplifier (LA). To thoroughly describe light detection mechanisms in silicon, first a onedimensional and second a twodimensional model is developed. All material is experimentally verified with several CMOS implementations, with ultimately a fully integrated Gbit/s optical receiver frontend including photodiode, TIA and LA. Author: Steyaert, Michiel/ Hermans, Carolien Series Title: Analog Circuits and Signal Processing Binding Type: Hardcover Number of Pages: 250 Publication Date: 2007/05/18 Language: English Dimensions: 9.21 x 6.14 x 0.50 inches

Integrated CMOS Circuits for Optical Communications $237.38 This book presents several circuits that are required for the full integration of an optical transmitter in standard CMOS. The main emphasis is placed on highspeed receivers with a bitrate of up to 1 Gb/s. The possibility of including the photodiode in a receiver is investigated and the problems encountered are discussed. Author: Ingels, M./ Steyaert, M./ Ingels, Mark Series Title: Springer Series in Advanced Microelectronics Series Number: 14 Binding Type: Hardcover Number of Pages: 187 Publication Date: 2004/01/12 Language: English Dimensions: 9.21 x 6.14 x 0.50 inches

Circuits for Electronic Instrumentation $221.44 This book is an uptodate text on electronic circuit design for people who like to learn electronics by building circuits and making measurements. The subject is dealt with from an experimental point of view, but this has not restricted the author to wellknown or simple circuits. Indeed, some very recent and quite advanced circuit ideas are put forward. Each chapter takes up a particular type of circuit, and then leads the reader to gain an understanding of how these circuits work by proposing experimental circuits for the reader to build and measure. Examples discussed include step recovery circuits of the digitizing oscilloscope, sampling gate and fast comparator circuits, probe and input circuits, wideband amplifier and waveformgenerating circuits, and switched capacitor, phase locked loop, and low noise circuits. Author: ODell, Tom H./ ODell, Thomas Henry/ ODell, T. H. Binding Type: Hardcover Number of Pages: 236 Publication Date: 1991/08/30 Language: English Dimensions: 9.23 x 6.14 x 0.70 inches

Amplifier $12.49 Amplifier

Analysis and Design of Analog Integrated Circuits, 5th Edition $109.5 This is the only comprehensive book in the market for engineers that covers the design of CMOS and bipolar analog integrated circuits. The fifth edition retains its completeness and updates the coverage of bipolar and CMOS circuits. A thorough analysis of a new low-voltage bipolar operational amplifier has been added to Chapters 6, 7, 9, and 11. Chapter 12 has been updated to include a fully differential folded cascode operational amplifier example. With its streamlined and up-to-date coverage, more engineers will turn to this resource to explore key concepts in the field.

HighLinearity CMOS RF FrontEnd Circuits $173.58 This monograph presents techniques to improve the performance of linear integrated circuits (IC) in CMOS at high frequencies. Those circuits are primarily used in radiofrequency (RF) frontends of wireless communication systems, such as low noise amplifiers (LNA) and mixers in a receiver and power amplifiers (PA) in a transmitter. A novel linearization technique is presented. With a small tradeoff of gain and power consumption this technique can improve the linearity of the majority of circuits by tens of dB. Particularly, for modern CMOS processes, most of which has device matching better than 1, the distortion can be compressed by up to 40 dB at the output. A prototype LNA has been fabricated in a 0.25um CMOS process, with a measured +18 dBm IIP3. This technique improves the dynamic range of a receiver RF frontend by 12 dB. A new class of power amplifier (parallel class AB) is also presented to extend the linear operation range and save the DC power consumption. It has been shown by both simulations and measurements that the new PA doubles the maximum output power and reduces the DC power consumption by up to 50. Author: Ding, Yongwang/ Harjani, Ramesh Binding Type: Hardcover Number of Pages: 122 Publication Date: 2004/11/01 Language: English Dimensions: 9.40 x 6.40 x 0.50 inches

Snap Circuits FM Radio by Elenco Electronics $22.58 The Elenco Snap Circuits Mini FM Radio features brightly-colored electronic components that snap into a clear plastic base to build different circuits. With this kit you can build a working FM radio that automatically scans for stations. This kit includes 3 additional projects: power amplifier electronic kazoo and trombone. It requires 3 AA batteries. It comes out with colorful and easy instruction sheet to follow that make these electronic experiments effortless and fun to use. Gender: Unisex Age: Child

ME-400 400 Watt Amplifier $282.94 ME-400 400 Watt Amplifier ME-400 Marine AmplifierThe ME-400 Four Channel, marine grade amplifier provides 400 watts of crisp, clean audio power. The amplifier can be easily configured to enhance your listening pleasure. Both crossover circuits and high pass and low pass filters are fully adjustable so you can power your subwoofer as well as your standard speakers. Gold plated connections resist corrosion. Rubber mounting feet isolate vibration. Efficient heat sink design ensures uninterrupted operation. Built from the ground up to withstand the rigors of the marine environment, the ME-400 will be an outstanding addition to your vessel?s audio system.

Kustom Defender 100W Combo Guitar Amplifier $999.99 This combo amplifier features volume and reverb controls along with tremolo and vibrato circuits to help you achieve a distinctive tone. The 2 Celestion Vintage 30 speakers deliver powerful sound to your audience.

Practical Audio Amplifier Circuit Projects $75.39 Practical Audio Amplifier Circuit Projects builds on the introduction to electronic circuits provided in Singmins innovative and successful first book, Beginning Electronics Through Projects. Both books draw on the authors many years of experience as electronics professional and as hobbyist. As a result, his project descriptions are lively, practical, and very clear. With this new volume, the reader can build relatively simple systems and achieve useable results quickly. The projects included here allow a hobbyist to build amplifier circuits, test them, and then put them into a system. Progress through a graduated series of learning activities culminates in unique devices that are nevertheless easy to build. Learn the basic building blocks of audio amplifier circuit design and then apply your knowledge to your own audio inventions. Targets the intermediate to advanced reader with challenging projects that teach important circuit theories and principlesProvides a ready source of audio circuits to professional audio engineersIncludes an electric guitar pacer project that lets you jam with your favorite band Author: Singmin, Andrew Binding Type: Paperback Number of Pages: 160 Publication Date: 1999/10/13 Language: English Dimensions: 9.21 x 6.02 x 0.33 inches

Rockford Fosgate Power T1000-4 Amplifier $979.95 Power Series 4-Channel Class A/D Car Amplifier RMS Power Rating: 4 ohms: 250 watts x 4 chan. 2 ohms: 250 watts x 4 chan. 1 ohm: 250 watts x 4 chan. Bridged, 4 ohms: 500 watts x 2 chan. Bridged, 2 ohms: 500 watts x 2 chan. Dynamic Power Rating: 4 ohms: 290 watts x 4 chan. 2 ohms: 290 watts x 4 chan. 1 ohm: 290 watts x 4 chan. Class AD technology allows the amplifier to produce more power with less current draw Constant Power delivers maximum power output regardless of varying impedance loads Discrete surface mount circuits decrease cross-talk, lowers temperatures and improves efficiency Dynamic thermal management (DTM) evenly distributes excess heat across the entire amplifier 3rd Generation MESHA technology reduces MOSFET temperatures and increases durability while lowering distortion NOMAD real time computer protects this amplifier from shorting wires and low speaker impedances Remote bass level input (remote level control sold separately) LED power (blue), thermal (red) a

In Phase IPA-1041 4 Channel 1000 Watts Amplifier. $176.99 In Phase IPA1041 1000Watts 4 Channel Car Amplifier. InPhase amplifiers are made to rock your world. With great muscle also comes refinement. With features such as trimode capability, Mosfet Power Supply and clever protection circuits, these hand-built powerhouses will take anything you throw at them.1000 watts 4 channel amplifier. 75w RMS x 4 at 4 ohms. 100w RMS x 4 at 2 ohms.MOSFET power supply, bass boost and variable gain adjustment. Tri Mode operation. Variable cross over (high/low pass). Thermal and Overload protection. RCA output for amplifier linking.EAN/MPN/UPC/ISBN: 9402569020634.

In Phase IPA-601 2 Channel 600 Watts Amplifier. $119.99 In Phase IPA601 600 Watts 2 Channel Car Amplifier, In Phase amplifiers are made to rock your world. With great muscle also comes refinement. With features such as trimode capability, Mosfet Power Supply and clever protection circuits, these hand-built powerhouses will take anything you throw at them600 watts 2 channel amplifier. 75w RMS x 2 at 4 ohms. 100w RMS x 2 at 2 ohms. MOSFET power supply, bass boost and variable gain adjustment. Tri Mode operation. Variable cross over (high/low pass). Thermal and Overload protection. RCA output for amplifier linking.EAN/MPN/UPC/ISBN: 9402569020603.

Operational Amplifier Noise (Hardcover) $119.16 Arthur Kay`s exciting new publication is a must have for practicing, professional electrical engineers. This comprehensive guide shows engineers how to design amplifiers and associated electronics to minimize noise, providing tricks, rules-of-thumb, and analysis to create successful low noise circuits. Forget the classical textbook traps of equations, virtual grounds, and a lot of double-speak, the novel but educational presentation used here uses definition-by -example and straight-forward analysis. This is the ultimate reference book for engineers who don`t have the time to read, since the concepts are presented in detailed pictures and then repeated in the text for those who like both. Operational amplifiers play a vital role in modern electronics design. Today, op amps serve as the interfaces between the digital world of microprocessors, microcontrollers, and other digital circuits and the analog "real world". If an analog signal must be amplified, conditioned, filtered, or converted to be used by a digital system, an op amp is almost always involved. Noise is an unwanted signal that will corrupt or distort the desired signal, and veteran engineers as well as new college graduates are often faced with a lack of experience in noise analysis for operational amplifiers. The author has created a publication that is packed with essential information, while still being accessible to all readers. * Clear, definition-by-example presentation allows for immediate use of techniques introduced;* Tricks and rules-of-thumb, derived from author`s decades of experience;* Extreme use of figures for rapid absorption of concepts; * Concise text explains the key points in all figures; * Accessible to all types of readers; * Analysis and design of low-noise circuits using op amps, including design tradeoffs for low-noise;* Desktop reference for designing low-noise op amp circuits for novice to experienced engineers;* Accurate measu

Power Amplifier $182.94 Power Amplifier Power Amplifier

In Phase IPA-1001 2 Channel 1000 Watts Amplifier. $159.99 In Phase new range 1000 Watts 2 Channel Amplifier.InPhase amplifiers are made to rock your world. With great muscle also comes refinement. With features such as trimode capability, Mosfet Power Supply and clever protection circuits, these hand-built powerhouses will take anything you throw at them.1000 watts 2 channel amplifier. 150w RMS x 2 at 4 ohms. 200w RMS x 2 at 2 ohms. MOSFET power supply, bass boost and variable gain adjustment.EAN/MPN/UPC/ISBN: 9402569020610.

Cerwin-Vega CV-2800 Power Amplifier $499 The Cerwin Vega CV-2800 is a rugged, 2U rackmountable, state-of-the-art power amplifier with a highly efficient tunnel cooling system to ensure reliable, cool running operation, 21-position detent level control knobs for easily repeatable settings, signal and clip indicators for convenient monitoring of the amplifier's status, The front panel also includes a power on/off switch, and 6-segment, multi-color LED ladders for visual monitoring of signal status per channel. The CV-2800 has the muscle to accommodate the most demanding audio challenge. With power rating of up to 2800 watts, support for bridged mono operation, and exceptional THD (Total Harmonic Distortion) and Signal-to-Noise ratings. The CV-2800 amplifier features an electronic design that delivers clean, reliable performance, protection circuitry guards against thermal overloads, short circuits, DC voltage, subsonic frequencies, and current overdriving. Additionally, independent limiters provide for speaker protection, and high-pass filters to eliminate extreme low end which can damage small speaker systems. Rear panel input provisions include the balanced combo (combined XLR and 1/4" TRS) connectors, while outputs are handled by 5-way binding post and Speakon connectors. the rear panel is also home to a high pass filter switch, limiter switch, and a mode select switch (for bridged/parallel/stereo operation). Front panel LED displays indicate power, clip protect and signal status Balanced XLR and TRS input connectors Speakon NL-4 locking output connectors and binding posts Detented 21-position input level control knobs Defeatable limiter and high-pass filter per channel Short circuit, thermal, current limit, DC offset, current inrus, RF protection, Turn on/ Turn off muting protection 5-way binding post and Speakon output connectors Flow-through cooling design prevents overheating with continuously variable speed, front to rear

Laser Audio Transmitter