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Folkscanomy Electronics: Articles

A collection of articles regarding electronics projects, acquired from a wide variety of sources. Most are simple essays or articles.



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Folkscanomy Electronics Articles: Fractal Antennas Part-1
Topics: fractal, antenna, antennas, minkowski, fractals, iteration, quad, euclidean, resonant, gain,...
Folkscanomy Electronics Articles: Wireless Digital Communications-Design and Theory
Topics: data, filter, signal, frequency, error, phase, figure, carrier, response, received, impulse...
Folkscanomy Electronics Articles: usmc-antenna-hb
Topics: antenna, frequency, vertical, wave, antennas, transmission, radio, mhz, mcrp, signal, antenna...
Folkscanomy Electronics Articles: A Beginners Course In Assembly Language
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Topics: program, hex, debug, keystroke, cpu, mov, instruction, flag, bios, assembly language, carry flag,...
Folkscanomy Electronics Articles: The Laser Experimenters Handbook
Topics: laser, energy, waves, wave, light, beam, lasers, atoms, emission, wavelength, light rays, radiant...
Folkscanomy Electronics Articles: LC Filters
Topics: frequency, filters, input, filter, output, impedance, circuit, resonant, signal, reactance, input...
Folkscanomy Electronics Articles: RC Filters
Topics: filter, frequency, filters, notch, curve, phase, output, circuit, cutoff, frequencies, pass filter,...
Folkscanomy Electronics Articles: The Magical Audio Filter
Topics: circuit, peaking, notch, tool, capacitors, frequency, resistor, wire, resistors, perfboard, notch...
Folkscanomy Electronics Articles: Working With LED Display Drivers
Topics: volts, led, voltmeter, pin, gnd, display, mode, internal, bcd, voltage, led display, internal...
Folkscanomy Electronics Articles: Build A Semiconductor Laser System
Topics: laser, diode, current, charger, optical, output, light, circuit, energy, laser diode, heat sink,...
Folkscanomy Electronics Articles: A Doppler Radio Direction Finder
Topics: antenna, doppler, frequency, digital, switcher, rdf, signal, filter, doppler rdf, audio, led,...
Folkscanomy Electronics Articles: Crystal Microwave
Topics: frequency, radar, waveguide, crystal, circuit, tuned, range, ghz, width, microwave, frequency...
Folkscanomy Electronics Articles: Measuring 2.4 GHz Helix Antennas
Topics: swr, helix, impedance, antenna, slotted, fig, characteristic, ghz, attenuation, simulation,...
Folkscanomy Electronics Articles: Pocket dBm RF Power Meter
Topics: dbm, meter, audio, digital, mhz, qex, model, circuit, pcb, frequency, panel meter, power meter,...
Folkscanomy Electronics Articles: Working With Op-Amps
Topics: voltage, input, output, impedance, gain, biasing, filter, resistor, follower, offset, voltage...
Folkscanomy Electronics Articles: Avoiding RF Oscillation
Topics: stability, unstable, source, stable, twoport, circles, terminations, microwave, smith, stability...
Folkscanomy Electronics Articles: How to Design Analog Circuits-Biasing Transistors
Topics: circuit, voltage, collector, bias, leakage, stability, equal, transistor, collector current,...
Folkscanomy Electronics Articles: Copper Loops For 222 and 440MHz
Topics: mhz, antenna, copper, tube, connector, dummies, antennas, arrl, stacking, vertical, ham radio,...
Folkscanomy Electronics Articles: Common Collector Amplifiers
Topics: input, circuit, voltage, transistor, relay, impedance, resistor, output, emitter, current, voltage...
Folkscanomy Electronics Articles: Mechanical Design Tips for EMI Shielding
Topics: shielding, conductive, emi, shielded, corrosion, cables, cable, gasket, figure, gaskets, emi...
Folkscanomy Electronics Articles: How To Design Analog Filter Circuits
Topics: circuit, filter, frequency, rolloff, filters, output, curve, circuits, corner, active, corner...
Folkscanomy Electronics Articles: Gunn and IMPATT Microwave Devices
Topics: gunn, diode, voltage, impatt, diodes, microwave, cavity, devices, output, device, impatt diode,...
Folkscanomy Electronics Articles: Spectrum Monitor
Topics: spectrum, frequency, tuner, monitor, horizontal, ceramic, ohms, tuning, waveform, sawtooth,...
Folkscanomy Electronics Articles: A VHF-UHF-Microwave Transverter IF Switch
Topics: keying, transverter, rig, switch, fig, buffer, voltage, fet, ground, adjustable
Folkscanomy Electronics Articles: Active Filters
Topics: filter, filters, input, resistor, center, output, schematic, active, notch, trimmer potentiometer,...
Folkscanomy Electronics Articles: Elevator A Simple 220-MHz FM Transverter
Topics: transceiver, elevator, fig, voltage, turns, crystal, antenna, output, relay, power, radio relay,...
Folkscanomy Electronics Articles: Explore USB with this USB to CI-V Interface
Topics: usb, interface, adapter, device, port, arrl, serial, ferrite, figure, gnd, usb interface, surface...
Folkscanomy Electronics Articles: PTT Control From Receiver Audio
Topics: audio, signal, circuit, transmitter, relay, ttl, ptt, impedance, ulb, led
Folkscanomy Electronics Articles: Practical Spread Spectrum-Achieving Synchronization with the Slip-Pulse Generator
Topics: fig, output, clock, generator, mhz, signal, pulse, doubly, synchronization, mixer, doubly balanced,...
Folkscanomy Electronics Articles: Practical Spread-Spectrum-Clock Recovery With the Synchronous Oscillator
Topics: oscillator, synchronous, fig, synchronization, output, circuit, clock, frequency, trace, signal,...
Folkscanomy Electronics Articles: Crystal Oscillators
Topics: crystal, frequency, resonant, resonance, circuit, resonators, reactance, series, crystals,...
Folkscanomy Electronics Articles: High Power Magnetron Transmitter
Topics: magnetron, power, frequency, transmitter, waveguide, cathode, output, oven, amplifier, voltage,...
Folkscanomy Electronics Articles: Poor Mans Spectrum Analyzer
Topics: analyzer, vco, output, amplifier, spectrum, log, bandpass, signal, filter, circuit, log amplifier,...
Folkscanomy Electronics Articles: Simple Approach to Complex Circuits
Topics: gus, circuit, parallel, jack, circuits, values, reactance, series, inductive, susceptance, square...
Folkscanomy Electronics Articles: A Five-Element Quad Antenna for 2-Meters
Folkscanomy Electronics Articles: Flash Tubes
Topics: flash, tube, capacitor, voltage, energy, cathode, strobe, pulse, trigger, neon, flash tube, time...
Folkscanomy Electronics Articles: Brain Waves and Biofeedback Training
Topics: alpha, biofeedback, brain, subjects, activity, signals, electronics, feedback, amplifier, brain...
Folkscanomy Electronics Articles: 7 dB For 7 Bucks
Topics: antenna, bulletin, driven, solder, packet, reflector, rods, bulletins, coaxial, swr, driven...
Folkscanomy Electronics Articles: A Six Meter Moxon Antenna
Topics: antenna, dbi, inch, moxon, mhz, tubing, meter, swr, aluminum, polarized, polarized moxon, driven...
Folkscanomy Electronics Articles: Audio PreAmp ICs
Topics: gain, amplifier, preamp, phono, input, inverting, output, voltage, riaa, emitter, phono preamp,...
Folkscanomy Electronics Articles: The DDRR-Directional Discontinuity Ring Radiator
Topics: antenna, ddrr, photo, slot, polarized, vertically, inch, mhz, dipole, vhf, vertically polarized,...
Folkscanomy Electronics Articles: The Versatile 555
Topics: output, voltage, circuit, input, monostable, potentiometer, capacitor, volts, frequency, pulse,...
Folkscanomy Electronics Articles: Capacitor Basics
Topics: capacitors, capacitor, dielectric, electrolytic, capacitance, electrolytics, arrl, voltage, mica,...
Folkscanomy Electronics Articles: Build An Infra-red Snooperscope
Topics: tube, snooperscope, infra, power, inside, telescope, lamp, transformer, image, infra red, power...
Folkscanomy Electronics Articles: Build An Alphanumeric Pager Decoder
Topics: circuit, data, scanner, paging, solder, pager, signal, connector, decoder, pocsag, solder side,...
Folkscanomy Electronics Articles: Home Brewing a 10 GHz SSB-CW Transverter
Topics: fig, transverter, mixer, circuit, arrl, bias, filter, oscillator, multiplier, diode, ground plane,...
Folkscanomy Electronics Articles: RFI-Intermodulation
Topics: imd, signals, mhz, notch, signal, filter, vhf, desired, filters, harmonics, desired signal, notch...
Folkscanomy Electronics Articles: 10 Element 900 MHz Quagi
Topics: elements, inches, reflector, boorr, length, element, loop, driven, oiiven, wratt
Folkscanomy Electronics Articles: A Portable Quad For 2 Meters
Topics: quad, antenna, portable, spacers, spacer, hub, reflector, loop, elements, doweling, portable quad,...
Folkscanomy Electronics Articles: Binaural Basics
Topics: binaural, stereo, display, sound, scope, transducer, source, listener, aural, stereo headphones,...
Folkscanomy Electronics Articles: An Inexpensive 10 GHz Dish System
Folkscanomy Electronics Articles: Building Simple Isolation Interface Devices
Topics: relay, transistor, interface, amplifier, circuit, cable, pnp, icom, kenwood, mph, reed relay,...
Folkscanomy Electronics Articles: Color TV-That Isnt
Topics: color, disc, benham, colors, butterfield, viewers, filter, subjective, electronics, electronic,...
Folkscanomy Electronics Articles: Classic Video Amps Revisited
Topics: video, amplifier, input, gain, preamplifier, output, circuit, bandwidth, pins, select, gain select,...
Folkscanomy Electronics Articles: Cheap Antennas for LEO Satellites
Topics: antenna, element, mhz, coax, antennas, elements, spacing, vhf, driven, length, element length,...
Folkscanomy Electronics Articles: Components for 10-GHz and Up Transceivers
Topics: mixer, ghz, diodes, pecom, sma, synthesizer, frequency, center, connector, sma connector, mixer...
Folkscanomy Electronics Articles: Flate Plane Antennas
Topics: antenna, waveguide, current, array, slots, figure, guide, antennas, slot, pattern, sheet current,...
Folkscanomy Electronics Articles: Microwave Spectum Analyzer On A Budget
Topics: frequency, circuit, sweep, generator, prescaler, signal, analyzer, tuner, vco, microwave, simple...
Folkscanomy Electronics Articles: Intermodulation Reviewed
Topics: intermodulation, repeater, signals, signal, receiver, mixing, products, transmitter, frequencies,...
Folkscanomy Electronics Articles: More Cheap Yagis
Topics: mhz, element, antenna, yagi, cheap, vhf, dimensions, spacing, photo, coax, cheap yagi, tuning...
Folkscanomy Electronics Articles: Introducing Sherlock - A Hi-Tech Fox Hunting Tool
Topics: converter, audio, sherlock, transmitter, receiver, transmitters, mhz, vhf, signal, identify, ham...
Folkscanomy Electronics Articles: Surface Mount Technology-You Can Work With It
Topics: circuit, voltage, pin, smt, parts, figure, mosfet, board, solder, ics, limited number, parts kits,...
Folkscanomy Electronics Articles: Voltage Cursor Adapter
Topics: voltage, cursor, circuit, waveform, cmos, adapter, solder, hookup, multipurpose, potentiometer,...
Folkscanomy Electronics Articles: A 10 Dollar Phone Patch
Topics: audio, kit, patch, accukeyer, hal, frequency, complete, ptt, mhz, utilizes, phone patch, complete...
Folkscanomy Electronics Articles: 902-MHz Loop Yagi Antenna
Topics: antenna, element, mounting, boom, loop, driven, yagi, holes, brass, mount, driven element, loop...
Folkscanomy Electronics Articles: A PIC Of An IDer
Topics: pic, ider, program, code, microchip, morse, programmer, mhz, hex, timer, morse code, web site
Folkscanomy Electronics Articles: An Introduction to Surface-Mount Devices
Topics: solder, smd, smds, components, component, soldering, tweezers, flux, braid, glue, web site,...
Folkscanomy Electronics Articles: Cutting Current to Size
Topics: current, transformer, voltage, turns, wire, calibration, measuring, donut, ratio, current...
Folkscanomy Electronics Articles: Digital Signal Processing
Topics: frequency, fft, domain, signal, data, fourier, sampling, transform, dsp, digital, frequency domain,...
Folkscanomy Electronics Articles: DTMF-Converter And HF-Link Controller
Topics: dtmf, uplink, software, downlink, relay, control, ascii, ost, nigel, serial, rights reserved,...
Folkscanomy Electronics Articles: Defining Your Function Keys
Topics: prompt, command, key, function, sequence, programming, dos, sys, arrow, keystrokes, function key,...
Folkscanomy Electronics Articles: Dual-Band Twin Lead Antenna
Topics: twin, antenna, lead, coax, center, coaxial, swr, inches, velocity, radiator, twin lead, velocity...
Folkscanomy Electronics Articles: Optocoupler Devices
Topics: optocoupler, ired, output, phototransistor, optocouplers, input, current, voltage, triac, circuit,...
Folkscanomy Electronics Articles: N0GSG Portable Radio Direction Finder
Topics: khz, antenna, antennas, direction, finder, signal, audio, receiver, pin, leds, direction finder,...
Folkscanomy Electronics Articles: Pocket-Size VHF SWR Meter
Topics: swr, bnc, led, pickup, voltage, connector, groundplane, meter, trimmer, epoxy, swr meter, vhf swr,...