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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: LC Filters
Topics: frequency, filters, input, filter, output, impedance, circuit, resonant, signal, reactance, input...
Folkscanomy Electronics Articles: Active Filters
Topics: filter, filters, input, resistor, center, output, schematic, active, notch, trimmer potentiometer,...
Folkscanomy Electronics Articles: Fractal Antennas Part-1
Topics: fractal, antenna, antennas, minkowski, fractals, iteration, quad, euclidean, resonant, gain,...
Folkscanomy Electronics Articles: The Laser Experimenters Handbook
Topics: laser, energy, waves, wave, light, beam, lasers, atoms, emission, wavelength, light rays, radiant...
Folkscanomy Electronics Articles: Voltage Converters
Topics: voltage, output, oscillator, converter, circuit, pin, capacitor, voltages, negative, supply,...
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: Practical Spread-Spectrum-Clock Recovery With the Synchronous Oscillator
Topics: oscillator, synchronous, fig, synchronization, output, circuit, clock, frequency, trace, signal,...
Folkscanomy Electronics Articles: Optocoupler Devices
Topics: optocoupler, ired, output, phototransistor, optocouplers, input, current, voltage, triac, circuit,...
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: Working With Op-Amps
Topics: voltage, input, output, impedance, gain, biasing, filter, resistor, follower, offset, voltage...
Folkscanomy Electronics Articles: Crystal Oscillators
Topics: crystal, frequency, resonant, resonance, circuit, resonators, reactance, series, crystals,...
Folkscanomy Electronics Articles: RE-EZ Shortwave Receiver
Topics: tuning, mhz, shortwave, ohms, oscillator, frequency, antenna, mixer, receiver, turns, shortwave...
Folkscanomy Electronics Articles: A Compact Two-Element 2-Meter Beam
Topics: antenna, pvc, wire, pipe, moxon, feed, element, center, coax, rear, driven element, pvc pipe, feed...
Folkscanomy Electronics Articles: Cheap Antennas for LEO Satellites
Topics: antenna, element, mhz, coax, antennas, elements, spacing, vhf, driven, length, element length,...
Folkscanomy Electronics Articles: Get On 222 MHz with a Ten-Tec 1210 Transverter
Topics: transverter, output, mhz, filter, inductance, frequency, fcc, stripline, molded, rights reserved,...
Folkscanomy Electronics Articles: Microwave Spectum Analyzer On A Budget
Topics: frequency, circuit, sweep, generator, prescaler, signal, analyzer, tuner, vco, microwave, simple...
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: Poor Mans Spectrum Analyzer
Topics: analyzer, vco, output, amplifier, spectrum, log, bandpass, signal, filter, circuit, log amplifier,...
Folkscanomy Electronics Articles: ATV Handbook
Topics: amateur, television, output, signal, handbook, video, tuner, circuit, oscillator, fig, amateur...
Folkscanomy Electronics Articles: A Miniature HF to VHF AM-FM Receiver Using the NE605
Topics: qms, receiver, mhz, frequency, khz, antenna, oscillator, vhf, ceramic, circuit, local oscillator,...
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: 2-Meter Transverter
Topics: mhz, mixer, transceiver, vhf, transverter, output, oscillator, grid, khz, capacitors, transmit...
Folkscanomy Electronics Articles: Build A Brain Wave Feedback Monitor
Topics: resistor, alpha, electrodes, electrode, mode, signal, circuit, capacitor, tone, potentiometer,...
Folkscanomy Electronics Articles: Common Collector Amplifiers
Topics: input, circuit, voltage, transistor, relay, impedance, resistor, output, emitter, current, voltage...
Folkscanomy Electronics Articles: Bug Detector
Topics: diode, voltage, audio, frequency, amplifiers, bug, bnc, solder, buster, input, bug buster, voltage...
Folkscanomy Electronics Articles: Gunn and IMPATT Microwave Devices
Topics: gunn, diode, voltage, impatt, diodes, microwave, cavity, devices, output, device, impatt diode,...
Folkscanomy Electronics Articles: Anatomy Of A Repeater
Topics: repeater, repeaters, kkf, antenna, transmitter, subaudible, mhz, hams, autopatches, signals,...
Folkscanomy Electronics Articles: Intermodulation Reviewed
Topics: intermodulation, repeater, signals, signal, receiver, mixing, products, transmitter, frequencies,...
Folkscanomy Electronics Articles: Ceramic Bandpass Filters-Boon or Bane
Topics: bandpass, ceramic, resonator, filter, filters, unloaded, dielectric, center, frequency, loss,...
Folkscanomy Electronics Articles: The Magical Audio Filter
Topics: circuit, peaking, notch, tool, capacitors, frequency, resistor, wire, resistors, perfboard, notch...
Folkscanomy Electronics Articles: 903-MHz Linear Amplifiers
Topics: fig, amplifier, output, amplifiers, mounted, artwork, board, device, idling, relay, rights...
Folkscanomy Electronics Articles: Solid-State Devices For 1 GHz
Topics: impatt, avalanche, device, gunn, voltage, diode, cavity, current, region, junction, gunn device,...
Folkscanomy Electronics Articles: 2.4-GHz Patch Antennas
Topics: antenna, patch, dbi, photo, swr, vhf, yagi, coax, rectangular, polarization, return loss,...
Folkscanomy Electronics Articles: Care And Feeding Of Gunnplexers
Topics: gunnpiexer, receiver, diode, varactor, mixer, gunn, circuit, gunnplexer, voltage, frequency, mixer...
Folkscanomy Electronics Articles: High-Performance Easy-to-Build 432-MHz Transverter
Topics: transverter, amplifier, filter, aurora, transmit, output, relay, radio, enameled, rights reserved,...
Folkscanomy Electronics Articles: See-In-The-Dark Viewer
Topics: tube, infrared, voltage, image, power, flashlight, solder, volts, lens, power supply, high voltage,...
Folkscanomy Electronics Articles: Double-Ducky Direction Finder
Topics: antenna, antennas, phase, null, audio, tone, diode, receiver, output, diodes, phase modulation,...
Folkscanomy Electronics Articles: A No-Tune 2-Meter Bandpass Filter
Topics: cable, filter, coax, bandpass, arrl, teflon, copper, center, cut, solder, bandpass filter, tap...
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: Microwave ATV-A New Approach
Topics: atv, mhz, repeater, yrs, lnb, ghz, antenna, vhf, microwave, pictures, white rock, microwave atv,...
Folkscanomy Electronics Articles: Spectrum Analyzer
Topics: mhz, analyzer, tuner, frequency, ohms, sweep, lowband, ceramic, coax, input, ceramic disc, spectrum...
Folkscanomy Electronics Articles: A Three And Half Band Yagi
Topics: meter, antenna, coil, swr, trap, element, parasitic, center, bandwidth, driven, coil form, swr...
Folkscanomy Electronics Articles: CMOS Clock Circuits
Topics: astable, gated, output, frequency, circuit, vco, circuits, squarewave, cmos, gate, gated astable,...
Folkscanomy Electronics Articles: The Magnetron-A Low Noise Long Life Amplifier
Topics: magnetron, anode, microwave, noise, emission, amplifier, cathode, frequency, phase, figure,...
Folkscanomy Electronics Articles: A VHF-UHF-Microwave Transverter IF Switch
Topics: keying, transverter, rig, switch, fig, buffer, voltage, fet, ground, adjustable
Folkscanomy Electronics Articles: A Tri-Yagi For 50 MHz
Topics: antenna, yagi, trigonal, boom, gain, yagis, dipole, swr, mhz, reflector
Folkscanomy Electronics Articles: Building Simple Isolation Interface Devices
Topics: relay, transistor, interface, amplifier, circuit, cable, pnp, icom, kenwood, mph, reed relay,...
Folkscanomy Electronics Articles: Cheap Yagis for 2450 MHz
Topics: mhz, yagi, antenna, elements, antennas, photo, vhf, wire, cheap, element, radio wave, driven...
Folkscanomy Electronics Articles: Flate Plane Antennas
Topics: antenna, waveguide, current, array, slots, figure, guide, antennas, slot, pattern, sheet current,...
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: Phase-Locked Loops
Topics: vco, frequency, output, phase, pin, pll, input, quency, comparator, circuit, vco output, phase...
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: Working With Monostable Multivibrators
Topics: output, pulse, monostable, trigger, input, circuit, timing, signal, schmitt, reset, output pulse,...
Folkscanomy Electronics Articles: A 3456 MHz Linear Transverter
Topics: mhz, output, amplifier, transmit, transverter, diode, power, srd, vdc, brass, local oscillator,...
Folkscanomy Electronics Articles: A 146 and 445 MHz J-Pole Antenna
Topics: antenna, center, mhz, tab, pipe, feedpoint, copper, figure, lower, element, lower element, pvc...
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: Nifty E-Z Guide to D-STAR Operation
Topics: repeater, call, data, select, sign, routing, software, programming, mode, gateway, call sign, sign...
Folkscanomy Electronics Articles: Pocket-Size VHF SWR Meter
Topics: swr, bnc, led, pickup, voltage, connector, groundplane, meter, trimmer, epoxy, swr meter, vhf swr,...
Folkscanomy Electronics Articles: The New Industrial Revolution-Packet Radio And Networking
Topics: data, packet, aloha, communications, networks, radio, network, computer, protocol, ethernet, local...
Folkscanomy Electronics Articles: Build a 2-Meter Intermod Notch Trap
Topics: coil, mah, notch, filter, helical, solder, paging, swr, intermod, mhz, notch filter, helical coil,...
Folkscanomy Electronics Articles: usmc-antenna-hb
Topics: antenna, frequency, vertical, wave, antennas, transmission, radio, mhz, mcrp, signal, antenna...
Folkscanomy Electronics Articles: Wireless Digital Communications-Design and Theory
Topics: data, filter, signal, frequency, error, phase, figure, carrier, response, received, impulse...
Folkscanomy Electronics Articles: A Wide-Range RF-Survey Meter
Topics: signal, meter, led, ferrite, bnc, dbm, leds, probe, vise, vise grip, rights reserved, radio relay,...
Folkscanomy Electronics Articles: Get on 440-MHz ATV
Topics: converter, atv, tuning, voltage, transmitter, signal, video, frequency, relay, mhz, rights...
Folkscanomy Electronics Articles: Radar Speed-Gun Controller
Topics: radar, gunn, speed, calibrator, diode, bits, detector, transistor, signal, circuit, gunn diode,...
Folkscanomy Electronics Articles: Choosing the Right Diode for your AGC Detector
Topics: diode, diodes, wireless, detector, agc, dbm, simulation, antennas, junction, figure, low breakdown,...
Folkscanomy Electronics Articles: Design of a Dual Patch Triangular Microstrip Antenna
Topics: antenna, patch, microstrip, triangular, resonant, ghz, equilateral, bandwidth, impedance,...
Folkscanomy Electronics Articles: DTMF Encoding and Decoding
Topics: dtmf, output, signal, outputs, logic, encoder, keypad, pin, tone, frequency, dtmf signal, dtmf...
Folkscanomy Electronics Articles: How to Design Analog Circuits-Biasing Transistors
Topics: circuit, voltage, collector, bias, leakage, stability, equal, transistor, collector current,...
Folkscanomy Electronics Articles: Put Your All-Mode 2-Meter Rig on 220
Topics: mhz, relay, output, mixer, transmit, meter, oscillator, amplifier, center, coupled, power supply,...
Folkscanomy Electronics Articles: Active Audio Filters
Topics: output, circuit, input, amplifier, resistor, nonlinear, signal, frequency, preamplifier, gain,...
Folkscanomy Electronics Articles: Army Surplus CW
Topics: crystals, transmitter, rig, switch, delco, receiver, channel, battery, pin, frequency, power supply
Folkscanomy Electronics Articles: Some Encryption is Legal