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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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RADIO FREQUENCY INTERFERENCE sa RADIO FREQUENCY INTERFERENCE FILTER x ELECTROMAGNETIC INTERFERENCE x EMI x INTERFERENCE (RADIO & TV) x RFI x TELEVISION INTERFERENCE x TVI (TELEVISION INTERFERENCE) xx RADIO Noise. Part 2. Electromagnetic pollution (radio-frequency interference) which is carried in free space. "Bulb savers" may cause interference in electronic equipment because they induce DC on AC lines. About noise in sound-reproduction gear. A pragmatic approach to the reduction of electronic and the related improvement of sound in high-fidelity equipment. Looks at causes of RFI and EMI, noise filters, grounding, cables, etc. Measured RFI differences between rectifier diodes in simple capacitor-input power supplies. Includes a simple RFI test setup to measure rectifier diodes under a realistic load without introducing other variables. The AC power line and audio equipment. Part 1. A look at the many factors affecting your power line and some tips on how to protect your audio equipment. The AC power line and audio equipment. Part 2. Causes of interference and tips to ensure a clean AC power line. The AC power line and audio equipment. Part 3. The various protection schemes. Tips on controlling RFI (radio frequency interference) from personal computers which may interfere with computer controlled devices. Electromagnetic interference. How to determine the source of electronic interference and eliminate or reduce it by simple means. How to improve an earth ground connection and eliminate television interference caused by short wave radio by arranging for the radio grounding stake to be kept in damp earth soaked in salt water. Water softener may provide salt water. Notes on the prevention and cure of stray R.F. in the amateur station. Intermodulation interference. Discussion of questions which might appear on the FCC Advanced Class exam. How to overcome radio frequency interference in the new solid-state digital RTTY equipment. Antenna accessories for the hamshack. Part 5. R.F.I. meter and field strength meter. Cable television interference. Part 1. Cable television interference. Part 2. Hi! I'm your new neighbor. Secrets to peacefully coexisting with your neighbors and still being able to operate your amateur radio. Part 1. Hi! I'm your new neighbor. Part 2. Where to turn when you have real problems with RFI or TVI. RFI and computers in the shack. How to control radio-frequency interference when radios and computers are operated in close proximity to each other. TVI/RFI problems. Part 1. Tips from one amateur on how to prevent problems with your neighbors over various forms of radio-frequency interference. Conquering front-end overload in the TS-940S. Simple filter circuits cure interference caused by a nearby broadcast station. TVI/RFI problems. Part 2. The interference survival guide. Technical tricks to solve RFI problems that can't be talked away. Radio frequency interference and its impact on packet radio. Common causes and cures are explained. What to do about radio-frequency (RF) interference on telephones. TVI revisited. More tips on the cause and cure of interference from modern HF solid-state transceivers. Finding elusive power-line noise (radio-frequency interference) using the Super Snoop system. Curing amateur radio station RFI (radio frequency interference). Overcoming the effects of RF current backup on amateur radio equipment. Tips on overcoming TVI, RFI and CRI when operating amateur radio, QRP, keys, and mobile radio. The cause and cure of RFI in packet radio. Radio frequency interference. A case history and some observations. Why modern fiber-optic communication systems may be more susceptible to some RFI and EMI problems and how to correct the problem. Locating the source of RFI and EMI using two simple oscilloscope detectors and an AM-radio-based detector. Some pointers on shielding electronic housings or enclosures to keep out unwanted signals and to prevent RF radiation. Tips on controlling RFI (radio frequency interference) on telephones, AM/FM portable radios, and stereo systems using ferrite cores. Power line noise. Suggestions for locating power line RFI sources using a VHF receiver with AM noise detector. Tip on eliminating TV interference caused by input cable being too close to AC powerline. Get rid of CB television interference. Thirteen and a half ways to kill radio frequency interference on TVs and radios. Electronic noise. Knowing what causes internal electronic noise can help you select components which minimize its effect on a circuit. Tips on controlling "hum" in audio equipment that is caused by 60-Hz electromagnetic radiation coming from electric wiring, etc. Quieting ignition interference (boat, car, truck, etc.) with radio reception. Stop static. Tips on how to eliminate annoying electrical interference in electronic circuits. Locating the source of electrical TVI (television interference) within your house. Some tips. Tip on confirming and eliminating booster amplifier interference on a TV receiver. A tip on how to rid a stereo FM receiver of interference from a CB radio. Troubleshooting an electronic igniter (on a gas clothes dryer) which is causing TV and telephone interference. Intermodulation and crossmodulation, two interrelated problems that often mess up reception on the ham bands. What are their causes and cures. How to deal with TVI/BCI (interference with TV and broadcast band radio) from amateur radio equipment. Correcting TV interference. Simple do-it-yourself solutions to (1) maladjusted horizontal control, (2) radio-transmitter interference, (3) FM interference, (4) maladjusted fine tuning, (5) electrical interference, (6) poor TV signal, (7) co-channel interference, and (8) ghosting. Tip: How to prevent your TV set from inducing interference in your VCR. Microcomputers and TVI (television interference). How to prevent your home computer from causing TV interference. Home remedies for TV interference. Official tricks suggested by the FCC to clear away CB and ham transmitter interference from TV, FM and stereo. Tips on controlling inbound radio-frequency interference that can interfere with SWL, CB or ham operations. Drive out radio ghosts. Tips on eliminating RFI in audio equipment. Tips on eliminating the "buzz-type" radio interference caused by fluorescent lamps. Overcoming electrical noise in a CB mobile rig. How to eliminate interference from alternator, ignition coil, various gauges, electric motors, and spark plugs. How to install an electrical bond between auto engine and body in order to reduce electrical interference in a mobile CB rig. Squelching electrical noise (radio-frequency interference) in mobile radio installations. Tips on locating the source, installing line filters, grounding, etc. What to do about reducing electrical noise (radio-frequency interference) in SWL receivers. Advice on eliminating alternator whine (radio-frequency interference) in mobile radio installations. Tracking down birdies (radio frequency oscillations) picked up on a specific frequency. Fighting interference and noise in DX'ing using a technique called phasing. Phasing involves combining the signals from two different antennas. Radio interference, some causes and cures. CB interference with TV. Part 1. Using a high-pass filter or series-tuned wave trap to overcome "fundamental blocking", a primary cause of TV interference from CB radios. CB interference with TV. Part 2. How to control harmonic interference of TV reception that is caused by CB radios. Tip on eliminating radio interference caused by triac light dimmers. Circuit to eliminate shortwave radio interference caused by local electrical appliances. Tips on eliminating ham radio interference being picked up on a stereo system without a tuner. Tips on handling radio-frequency interference from your CB transceiver on your neighbors TV set or hi-fi system. How to track down the cause, determine if it is your transmitter and correct the problem. How to overcome radio frequency interference caused by light dimmers. Tip on eliminating CB interference caused by automobile alternator. Tips on preventing RFI in audio devices. Circuit for eliminating the hum in an AM radio caused by a light dimmer. Curing computer-induced electromagnetic interference on shortwave receivers. Build this fiber-optic interface unit for attaching a digital computer to a SW receiver. Finding the sources of interference with amateur radio. Includes circuits for field-strength meters which help pin-point sources operating up to 40 MHz or so. A guide to reducing or eliminating interference to any RF receiver. All about electrical noise. Causes of electrical noise and helpful tips to keep noise our of your electronic circuits. Fighting interference. Learn about the various types of electrical interference, the harm it can do, and the measures you can take to stop it. Television and radio interference caused by ham radio transmitters. Advice for the amateur radio operator on reducing or eliminating the problem. How 60-Hz power line noise winds up interfering with AM radio. Inoculating against the RFI epidemic. Techniques for reducing radio-frequency interference to consumer electronic devices (TV, radio, telephone, computers, etc.). RF (radio frequency) shielding materials and methods. Spurious transmitter outputs. An overview of the undesirable RF "noise" that eminates from almost any radio transmitter. Some EMI/TVI fixes. (1) Harmonic elimination. (2) Tuned-stub solution. Eight ways to beat TV interference. A look at the most common forms of interference to TV reception and how to solve them. Tip: How to shield meters from stray RF (radio frequency) energy. Tip on using a portable AM radio to locate the source of RFI (radio frequency interference) in an automobile's electrical system. Your war on electronic pollution. Special section on curing TV interference, radio and appliance interference, boat and auto radio interference. How to make simple TV and CB fixes that will eliminate television interference caused by citizens band radios. Noise interference in mobile rigs (AM, FM or CB). How to get rid of it by locating the source in automobile electrical or ignition systems. Reducing CB interference to TV reception. How a professional with the right equipment can measure and reduce CB interference. TV interference. Causes and cures. Simple and inexpensive way to eliminate harmonic interference utilizes a 1/4-wavelength transmission line stub. Curing electromagnetic interference. Part 1. Learn all about the causes and what you can do to neutralize its effects. Curing electromagnetic interference. Part 2. Curing electromagnetic interference. Part 3. How to head off interference before it enters your electronic equipment. Also, how to deal with power-line transients. Curing electromagnetic interference. Part 4. Guidelines on designing PC boards to eliminate EMI. Tip: Install a wire mesh reflector to reduce or eliminate power-line interference with TV reception. Image interference explained. Tips on preventing electronic light dimmers from interfering with reception on AM radios. Tips on selecting properly shielded cable to reduce RFI. Tip on locating electrical wiring in walls using a "noisy" motor and a small transistor radio. Tips on shielding electronic devices to reduce RFI. Tips on locating a loudspeaker next to a TV set in order to avoid TVI. Stalking the elusive EMI (electromagnetic interference) in aircraft radio and navigation equipment. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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