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Bridge Circuits
Bridge:   #'s - F        G - Z

 

Last Updated: December 25, 2017 01:46 PM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

20W Bridge Audio Amplifier -  20W Bridge Audio Amplifier kit, based on the TDA2005 IC, a class B dual audio amplifier, specifically designed for car radio applications etc __ Contact: IQ Technologies

3 Phase Bridge Rectifier -  Find out about three phase bridge rectifiers. __ Designed by REUK-Renewable Energy UK website

4-transistor H-bridge -  An interesting 4-transistor H-bridge variant; this is cheap and easy to build, and best of all is "smokeless"   (i.  e.  , no combination of inputs can cause the bridge to self-destruct). __ Designed by Steve Bolt

6-transistor H-bridge -  This issix transistor "Tilden style" H-bridge; while not as old asoriginal "basic H-bridge, " this goes "way back, " and is basis for many BEAM driver circuits __ Contact: Bruce Robinson

A better MOSFET H Bridge Schematic -  Schematic onlyno circuit desciption included __ Designed by Eugene Blanchard

A H-Bridge Design -  With a Protection against Having Two Positive Input Pulses. __ Designed by G.L. Chemelec

Add Programmability to Sensor Amplifier -  03/21/02  EDN-Design Ideas The pressure-sensor amplifier circuit of Figure 1 offers a number of advantages over the traditional approach using the classic three-op-amp instrumentation amplifier.  The circuit can operate from a single supply and uses only two __ Circuit Design by Chuck Wojslaw, Catalyst Semiconductor, Sunnyvale, CA

AN43Bridge Circuits -  Linear Technology AN43 __ Designed by Jim WilliamsJun 1st, 1990

AN98Signal Sources, Conditioners and Power Circuitry Circuits of the Fall, 2004 -  Linear Technology AN98 __ Designed by Jim WilliamsNov 19th, 2004

Better MOSFET H Bridge -  Schematic onlyno circuit desciption included __ Designed by Eugene Blanchard

Bridge Circuits -  Linear Technology AN43 __ Designed by Jim WilliamsJun 1st, 1990

Bridge heA - D -  The LDR's were hand-picked.  Got two packages of them from Radio Shack, looking for at least two pairs of similar parts.  Then added wire-wrap pin sockets, to the circuit, so that the LDR's could be plugged in.  Currently, the 0.33UF cap is not being used on my B-Head's.  I made a long J-hook from "Jumbo Paper Clips", attached it to the motor shaft, and then hung it from my rear-view mirror so it can "see the lights" __ Designed by Paul T. Barton

Bridge Reversal Eliminates 1/f Noise & Offset Drift of a Low Noise, Non-Autozeroed, Bipolar Amplifier -  This circuit gives 14nV noise level   (or 19 effective bits) over a 10mV span.  Bridge reversal eliminates 1/f noise and offset drift of a low noise, non-autozeroed, bipolar amplifier.  The LTC2440 is a high speed 24-bit No Latency delta sigma ADC with 5ppm INL and 5μV offset.  It uses proprietary delta-sigma architecture enabling __ Linear Technology/Analog Devices App Notes, Jul 8th 2010

Bridges -  AN43 Subtitled "Marrying Gain and Balance, " this note covers signal conditioning circuits for various types of bridges.  Included are transducer bridges, AC bridges, Wien bridge oscillators, Schottky bridges, and ors.  Special attention is given to amplifier selection criteria.  Appended sections cover strain gauge transducers, understanding distortion measurements, and historical perspectives on bridge readout mechanisms and Wein bridge oscillators. __ Linear Technology/Analog Devices

Bridge-temperature measurement allows software compensation -  08/17/00 EDN-Design Ideas Bridge transducers are notoriously temperature-sensitive.  When the temperature changes, almost everything else varies with some parameters increasing and some decreasing.  The TCS   (temperature coefficient of span) is generally nega__ Circuit Design by John Wynne, Analog Devices Inc, Limerick, Ireland

Bridging enhances filter close-In selectivity -  03/02/00 EDN-Design Ideas  General filters are bandpass filters that usually employ bridging couplings between nonadjacent interstage couplings  (Reference 1].  This class of filters also includes bridging coupling across  filter input and output ports.  The implementation of input-to-output bridging already exists for a one-pole filter  (Reference 2].  For a two-pole filter, dielectric resonators help achieve input-to-output bridging coupling  (Reference 3]__ Circuit Design by Luis Miguel Brugarolas, Sire Sistemas y Redes Telmaticas, Tres Cantos, Madrid, Spain

Circuit resolves 0.1-fF change from 100 pF -  01/06/00  EDN-Design Ideas The circuit in Figure 1 can resolve 0.1-fF changes in a 100-pF bridge element and can accommodate large-scale changes in the bridge without adjustment.  You can use changes in capacitance to measure applied pressure, rotation, torque, liquid level, the wat__ Circuit Design by Derek Redmayne

Circuits adds Programmability to Sensor Amplifier -  03/21/02 EDN-Design Ideas The pressure-sensor amplifier circuit of Figure 1 offers a number of advantages over the traditional approach using the classic three-op-amp instrumentation amplifier.  The circuit can operate from a single supply and uses only two op amps and 1% resistors.  If the reference voltage, VREF, is 0V, the transducer gain for the circuit isTo ensure equal gain for the two ground-referenced volt__ Circuit Design by Chuck Wojslaw, Catalyst Semiconductor, Sunnyvale, CA

Control both Power & Direction of a DC Motor -  TTL type Q and inverted Q inputs control a classic H-bridge circuit, rated at 50 volts and about 10 amps.  The circuit can control power and direction of a DC motor . . . Hobby Circuit designed by David Johnson P.E.-February, 2007

Delta Sigma ADC Bridge Measurement Techniques -  AN96 AN96 features several applications that demonstrate how to take full advantage of Linear Technology's delta sigma ADCs when interfacing to sensors.  In many cases, signal conditioning can be greatly simplified or eliminated completely.  This note explains where it is appropriate to use amplifiers and how to optimize amplifier gain.  Also included___ Linear Technology/Analog Devices

Design Approach Simplifies Signal Conditioning -  12/22/94 EDN-Design Ideas The low cost and wide availability of 8-bit microcontrollers, such as Motorola's MC68HC11, allow you to easily incorporate intelligence in pressure-measurement systems.  Your main challenge is to signal-condition the sensor's small, differential bridge signal into a single-ended output voltage that the C's A/D converter, running off 5V, can accept.__ Circuit Design by Robert S Villanucci, Wentworth Institute of Technology, Boston, MA

Differential Bridge Amplifier -  The LTC2050HV are zero-drift operational amplifi ers available in the 5- or 6-lead SOT-23 and SO-8 packages.  The LTC2050 operates from a single 2.7V to 6V supply.  The LTC2050HV operates on supplies from 2.7V to 5.5V.  The current consumption is 800μA and the versions in the 6-lead SOT-23 and SO-8 packages offer power shutdown __ Linear Technology/Analog Devices App Note, Apr 29th 2010

Dual Bridge Driver On Expansion Module with L293p for Arduino -  The short article describes simple but useful four channel driver expansion module with L293P for Arduino. The board can be called power shield, motor shield or driver shield because gives the possibilities...___ Designed by Petre Tzv. Petrov, Sofia, Bulgaria

Full-Bridge Amplification using a Resistor Arrays to Provide Precise Matching in Excitation Amplifier -  This example provide excitation using resistor arrays to produce precise gain.  The circuit is configured to provide 10V and 5V excitation to the bridge, producing a common mode voltage at the input to the LTC2430/LTC2431 of 2.5V, maximizing the AC input range for applications where induced 60Hz could reach amplitudes up __ Linear Technology/Analog Devices App Note, Apr 29th 2010

Full-Bridge Amplification using a Single Amplifier -  This example shows a single amplifier being used to produce single-ended gain.  This topology is best used in applications where the gain setting resistor can be made to match the temperature coefficient of the strain gauges.  If the bridge is composed of precision resistors, with only one or two variable elements, the reference __ Linear Technology/Analog Devices App Note, Apr 29th 2010

Full-Bridge Amplification using Autozero Amplifiers to Reduce Input Referred Noise -  This circuit shows an example of a simple amplification scheme.  This example produces a differential output with a common mode voltage of 2.5V, as determined by the bridge.  The use of a true three amplifier instrumentation amplifier is not necessary, as the LTC2430/LTC2431 have common mode rejection far beyond that of most __ Linear Technology/Analog Devices App Note, Apr 29th 2010

Full-Bridge Load Current Monitor -  The LT1990 is a micropower precision difference amplifier with a very high common mode input voltage range.  It has pin selectable gains of 1 or 10.  The LT1990 operates over a 250V common mode voltage range on a 15V supply.  The inputs are fault protected from common mode voltage transients up to 350V and differential voltages __ Linear Technology/Analog Devices App Note, Apr 5th 2010

Full-featured H-bridge -  This is a slightly revised version of the 6-transistor H-bridge designed by Mark Tilden and found on the BEAM Tek website (now only available via archive).  I encourage anyone interested in H-bridges to read Mark's article, as it gives an excellent step-by-step explanation of how the bridge works.  In particular, it discusses variations on the bridge, such as the positive-input and negative-input versions.  The basic circuit is as Mark describes it.  The changes are as follows. __ Designed by Bruce Robinson


Bridge:   #'s - F        G - Z


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