Electronic Circuits - Schematics & Tutorials Links        CIRCUIT    COLLECTION    200                         

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We have put here a collection of circuits, many audio related. While many published circuits are not the finest available solutions today, they represent great ideas. If you would like your circuit or link collection be published here, send e-mail with related material, we will format it and add to our collection. Thank you!     Publish my circuit
Electronics Tutorials -  Extensive resources for circuit design    http://www.williamson-labs.com
Technick.net - Tons of hardware info and more   http://www.technick.net
Electronics Tutorials - Extensive resources for circuit design, biased toward RF, by Ian C. Purdie, VK2TIP   http://www.electronics-tutorials.com
The Self Site - Audio circuitry, extensive notes, diagrams by Douglas Self    http://www.dself.demon.co.uk
Circuitry Links Collection - by Tome Loredo, within Electronics resources  http://astrosun.tn.cornell.edu/staff/loredo/ee.html#sim
Audio Circuits To Build - By ePanorama.net   http://www.epanorama.net/audiocircuits.html
Circuit Collection -  By CommLinx Solutions   http://www.commlinx.com.au/schematics.htm
The Audio Pages - Design Information, Projects by Elliott Sound Products  http://sound.westhost.com 
The Class-A Amplifier Site  -  By Geoff Moss   http://www.gmweb.btinternet.co.uk
Bama's Bunker -  Audio Circuitry Links    http://www.eeph.com/~james/schematics_micpreampsmixers.html
Electronic Circuits - Electronics Zone    http://www.electronic-circuits-diagrams.com/audio_circuits.shtml
Carl's Electronics, Inc. - 200 Electronic Kits   http://www.electronickits.com
Electronic Projects for R/C - by John Nooyen    http://www.uoguelph.ca/~antoon/gadgets/gadgets.htm
Cyber Circuit - by PTM        http://www.uslink.net/%7Ecybercir/cirplist.htm
Poptronics Magazine & The Ties Magazine Circuits - for simulation with free demo of  Electronics Workbench   http://www.electronicsworkbench.com
Bowden's Hobby Circuits - Over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas.   http://ourworld.compuserve.com/homepages/Bill_Bowden/homepage.htm#menu
555 Timer by Ron Harrison - Most extensive tutorial we found on the web about 555 timer http://pace.inesc.pt/~eleII/555tutorial.htm
Timer by Ron Harrison - Most extensive tutorial we found on the web about 555 timer http://pace.inesc.pt/~eleII/555tutorial.htm
CIRCUIT    COLLECTIONS    100  200
Circuit 101         Measurement circuit features high Common Mode Rejection

101A_Measurement_circuit_features_high_common_mode_rejection_jpg 72kB
101B_Measurement_circuit_features_high_common_mode_rejection_jpg 109kB
Circuit 102         Simple technique generates precise HART waveforms 

102A_Simple_technique_generates_precise_HART_waveforms jpg 166kB
102B_Simple_technique_generates_precise_HART_waveforms jpg 102kB
Circuit 103         Chip recorder customizes phone ringer 

103A_Chip_recorder_customizes_phone_ringer_jpg_71kB
103B_Chip_recorder_customizes_phone_ringer_jpg_33kB
Circuit 104         Op amp linearizes attenuator control response

104A_Op_amp_linearizes_attenuator_control_response_jpg_42kB
104B_Op_amp_linearizes_attenuator_control_response_jpg_46kB
Circuit 120         Expanded scale indicator revisited

120_Expanded_scale_indicator_revisited_jpg_206kB
Circuit 121         Where is the wiper?

121_Where_is_the_wiper_jpg_167kB        
Circuit 122         Op amp linearizes response of FET VCA

122_Op_amp_linearizes_response_of_FET_VCA_jpg_200kB
Circuit 123         Convert voltage to potentiometer wiper setting

123_Convert_voltage_to_potentiometer_wiper_setting_jpg_157kB
Circuit 124         VCO transforms sound card into precision DC coupled ADC

124A_VCO_transforms_sound_card_into_precision_dc_coupled_ADC_jpg_237kB
124B_VCO_transforms_sound_card_into_precision_dc_coupled_ADC_jpg_190kB 
Circuit 125         Low side current sensing circuit uses synchronous V - to F converter

125_Low_side_current_sensing_circuit_uses_synchronous_V_to_F_converter_jpg_250kB
Circuit 126         Use multiplier core for FM stereo multiplexed transmission system

126_Use_multiplier_core_for_FM_stereo_multiplexed_transmission_system_jpg_242kB
Circuit 127         Shunt capacitance can suppress magnetic headset oscillation

127_Shunt_capacitance_can suppress_magnetic_headset_oscillation_jpg_267kB
Circuit 128         Single_cell lights any LED

128_Single_cell_lights_any_LED_jpg_194kB
Circuit 129         Circuit yields accurate absolute values

129_Circuit_yields_accurate_absolute_values_jpg_200kB
Circuit 130         Quickly discharge power supply capacitors

130_Quickly_discharge_power_supply_capacitors_jpg_194kB
Circuit 131         Two Triggers have flexible time intervals and pulse widths

131_Two triggers have flexible time intervals and pulse widths jpg 192kB
Circuit 132         Circuit 


Circuit 133         Circuit 


Circuit 134         Circuit


Circuit 135         Circuit