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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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OSCILLOSCOPE sa OSCILLOSCOPE ACCESSORIES sa OSCILLOSCOPE CALIBRATION sa OSCILLOSCOPE PROBE xx ELECTRONIC TESTING Technique for taking oscilloscope trace photographs using a standard 35mm camera equipped with a 2x teleconverter. Report on assembling the Heath IO-4550 high-performance dual trace oscilloscope kit. Storage scope substitute. How to modify a Heath IO4530 and IO4550 oscilloscope to use a cathode ray tube with the P-7 phosphor which has longer persistence. Adding a DC coupled horizontal input to a low priced Heath IO-102 oscilloscope. Review of the Ramsey BS-601 20MHz dual-trace differential-input oscilloscope. Upgrade that old oscilloscope. Part 1. An improved time base for an old tube-type scope. Upgrade that old oscilloscope. Part 2. Conclusion. Build a simple digital oscilloscope. Incorporates the function of a digital-logic probe, but also allows comparison of selected signals with the computer system clock. Multiplex interface schematic for adding dual trace and delayed sweep to an oscilloscope. Turn your Apple II computer into an intelligent (storage-type) oscilloscope. Ideal for handling transient, low-frequency signals. Build a real-time memory-activity display. Watch computer activity on an oscilloscope. A pseudo cursor for oscilloscopes. This circuit will add a calibrated time base to dual-trace scopes. Est. cost: $35. Use your TRS-80 Color Computer as a slow-scan storage oscilloscope with the addition of an analog-to-digital converter and the software provided. A close look at IBM's PCjr joystick ports and how to use them to convert the computer into both a simple light meter and a sophisticated, light-sensing storage oscilloscope. Ideas are applicable to other computers, too. How to build an X-Y display for c.w. and single-ended RTTY TU (interface) signals. A three component oscilloscope adapter is all that is required. Build an RTTY oscilloscope monitor to facilitate tuning RTTY signals. Poor man's storage scope. Using an oscilloscope, video camera, and VCR to do the same job as a logic analyzer and/or digital storage oscilloscope. Oscilloscope designed for citizens band. Beam finder for an oscilloscope locates spot using a 4-lamp indicator attached to horizontal and vertical plates of the scope's CRT. Primer on the scope. How oscilloscopes work and how they are used in electronics. Small-size oscilloscope fits into a 2"x4"x7" chassis and uses a 1-1/8" to 3" CRT screen. Part 1. Small-size oscilloscope fits into a 2"x4"x7" chassis and uses a 1-1/8" to 3" CRT screen. Part 2. Calibration and operation. Build an oscilloscope. Part 6. Input control and external signal triggering. New life for old oscilloscopes. Troubleshooting and repairing older "utility" and "wideband" scopes. Making voltage measurements with a DSO (digital storage oscilloscope) results in a higher degree of accuracy and ease than ever before. Making time measurements with a DSO (digital storage oscilloscope). A glossary of DSO (digital storage oscilloscope) test terms. Making your electronic servicing job easier with a DSO (digital storage oscilloscope). Build your own audio test gear. Five pieces of test gear, plus how and why they are used. (1) Audio signal generator. (2) Audio voltmeter. (3) Simple LED oscilloscope. (4) Distortion analyzer. (5) Wow-and-flutter meter. Part 1. An overview. Digital-storage oscilloscope module. Combine this device with the high-performance logic analyzer (featured in March 1998) and your PC to get a full-featured digital-storage oscilloscope. Est. cost: $181 (kit). The sampling oscilloscope. What it is, how it works, and tips on its applications. Oscilloscope preamplifier. A 5-transistor broadband amplifier delivering a 2-volt output signal from a 10-microvolt source. Adding a 10-step attenuator to a low-priced oscilloscope to improve the scope's usefulness. Detecting DC shift of trace on a DC-coupled oscilloscope. Amplitude modulation tester operates directly off transmitter (without opening) and produces an unusual CRT display of the percentage of modulation. Transistor curve tracer. An instrument which produces on a scope a definitive family of characteristic curves that can be measured and interpreted to derive principal parameters for most transistors. Est. cost: $50. Transistor curve tracer will show the characteristics of junction and field-effect transistors on an oscilloscope. Add-on circuit that converts a low-cost general-purpose or service scope into an instrument with triggered sweep circuit. Est. cost: $40. MOFSET utility 20-dB preamp for oscilloscope, AC voltmeter or VTVM. Also usable with microphones. Understanding and observing complex (non-sinusoidal) waveforms. Oscilloscope adapter permits displaying the characteristic curves of any transistor or FET. The use of a unijunction transistor with a VTVM or oscilloscope permits accurate visualization of RC constants. Tips on using the sweep generator and oscilloscope to align FM, TV and other receivers. Make frequency measurements quickly and accurately using an inexpensive oscilloscope and a frequency source like an audio oscillator or signal generator. Basic course in electricity and electronics. Cathode-ray tubes in TV sets and oscilloscopes. E.E. Basic Course in Electricity and Electronics. How oscilloscopes work. E.E. Basic Course in Electricity and Electronics. Using the oscilloscope. Basic course in electricity and electronics. Cathode-ray tubes in TV sets and oscilloscopes. Imagician. Generate geometric line drawings on your oscilloscope using this control box with a built in joystick. Six basic waveforms are mixed to produce the desired image. A simple, safe modification to view line current on an oscilloscope. Inside the oscilloscope. Part 1. The circuits that shape the signals. Inside the oscilloscope. Part 2. What specifications and features affect performance. Inside the oscilloscope. Using the oscilloscope is not difficult when you know how. Simple application rules that will help you get almost all scopes up and running in no time. Understanding and using Lissajous figures. Curious oscilloscope patterns that tell you about the input signal's frequency and phase. 3D oscilloscope. Adapt a dual-trace oscilloscope to display stereoscopic images (helix, Lissajous patterns, rasters, etc.). How to select an oscilloscope. What features are needed to troubleshoot today's electronics. Tips on constructing and using the Heathkit Model IO-4205 5MHz dual trace oscilloscope. How to interface a simple oscilloscope to a computer for use as a "pennypinching" video display. Circuit for an inexpensive A/D converter for an Apple II computer. Allows the Apple II computer to function as an oscilloscope. Est. cost: $6. Easy-to-understand explanation of how an oscilloscope works. Oscilloscope user's guide. A close-up look at the high-performance general-purpose oscilloscope and how to use it for making tests and measurements. Part 1. Oscilloscope user's guide. Part 2. Conclusion. Understanding and using dual-trace oscilloscopes. The basics, comparing two waveforms and a primer on probes. Logic signal measurements. How to use an oscilloscope to make basic measurements in digital logic circuits. An in-circuit component tester. Simple oscilloscope accessory speeds up in-circuit testing of resistors, capacitors, inductors, and transistor and diode junctions. Oscilloscope measurements guide. How to use an oscilloscope to accurately obtain quantitative and qualitative information about a circuit's or a device's performance. Part 1. Basic elements of an oscilloscope and differences between analog and digital designs. Oscilloscope measurements guide. Part 2. Test procedures for sine waves, phase, Lissajous, pulses, frequency response, square waves, and dc-linearity and curve-tracer measurements. A delayed-trigger accessory for oscilloscopes. A low-cost way of adding laboratory-grade facility to inexpensive general-purpose oscilloscopes. Mixing frequencies. Photos help explain complex linear mixing to amateur radio operators and others. Helps explain AM radio and sidebands. How to read oscilloscope waveforms. Useful tricks of the trade for getting the most out of your oscilloscope. Part 1. Electronic circuit action, its relationship to scope display, and practical usage of the oscilloscope. 16-channel logic analyzer. Turns a single-trace oscilloscope into an 8-channel logic analyzer and a dual-channel scope into a 16-channel unit. How to read oscilloscope waveforms. Part 2. Principles of comparative circuit-action tests, use of the dual-trace oscilloscope, and dc components in basic waveforms. How to read oscilloscope waveforms. Part 3. Sawtooth waveform characteristics, common distortion factors and analysis of abnormal waveshapes. Wave-shaping circuit action. How waveforms are shaped electronically. Interpreting their results on an oscilloscope. Digital oscilloscopes. How digital scopes can extend your circuit measuring and testing abilities. Theory of operation, tips on buying, etc. Getting started in virtual instruments. Introduction to developments which transform a personal computer into a wide variety of electronic test instruments. Instructions for using a PC as a virtual storage oscilloscope. Chart recorders and storage oscilloscopes. What is available and tips on their use. Solid-state oscilloscope. Use this low-cost AC/battery-powered instrument as your first oscilloscope or to supplement your bench scope. Uses a matrix of LEDs instead of a CRT. Using an oscilloscope in electronics troubleshooting. Testing overshoot and ringing in square waves; shock excitation of RLC circuitry; and transient waveforms in pseudo-inductive circuits. The Modern Electronics computer experimenter lab. Project includes a digital storage oscilloscope, an analog function generator, and a digital signal generator. Part 1. Build the digital storage oscilloscope incorporating an optional eight-channel logic analyzer. Est. cost: $200. Simultaneous recording of mechanical events and oscilloscope traces on the same film. Breakdown reverse voltage transistor and diode tester. Nondestructive "one-shot" oscilloscope technique to reveal several characteristics at once. Circuit compensates for low-frequency losses in the EICO model 460 oscilloscope. Circuit for connecting an oscilloscope to a short wave receiver to observe the signal being received. Add calibrated sweep to an oscilloscope for measuring frequency. Instrument sensitivity booster (preamplifier) extends range of oscilloscope or VTVM. Add this triggered sweep circuit to your inexpensive scope. Est. cost: $22. The theory and uses of triggered sweep oscilloscopes. Build a versatile semi-conductor curve tracer. Creates characteristic curves for most semiconductors. Preamplifier for your scope has a voltage gain of 10 and a bandwidth of about 5 MHz. Rise-time measurements formula. A discussion of errors which can occur. Circuit to determine the quality of your sine wave without expensive test gear. Understanding underground oscilloscope measurements. Problems and solutions to measuring underground components. Understanding your triggered sweep scope. A brief explanation of those puzzling trigger controls. Circuit to produce "hypnotic" waveforms on an oscilloscope. Four-trace adapter for a single channel scope. Semiconductor junction tester checks bipolar transistors or diodes either in or out of the circuit. Displays results on oscilloscope. Est. cost: $12. The scopewriter. Convert any oscilloscope to display 64 alphanumeric characters with this character generator. Will also accept ASCII keyboard inputs. Est. cost: $50. Rejuvenating elderly test equipment. Circuit to reduce input impedance to an oscilloscope. Circuit for a testing device which will display the voltage across a component under test versus the current through the same component. How to test the accuracy of the "birdie" markers in an older oscilloscope. The oscilloscope graphic artist. An electronic visual pattern generator forces the electronic beam of an oscilloscope to follow two, complex, harmonically related signals to produce geometric, three-dimensional drawings. Est. cost: $55. A selectable two/four channel oscilloscope switch is intended to be used between various signal sources and the vertical input terminals of a standard oscilloscope, permitting up to four channels of information to be viewed simultaneously. Curve tracer checks semiconductor quality from breakdown voltage to beta. Used with an oscilloscope. Also can check capacitors and inductors. Tips on using your oscilloscope. Determining rise time, ringing and overshoot problems and linearity problems. Circuit for a low frequincy (0.1 to 100Hz) sawtooth generator that can be used as an external scope sweep generator. Guide to oscilloscopes. How to weigh the functions and performance that you need for the application when choosing this instrument. Experiment with circular sweep using this circular sweep converter. The beam is swept in a circle and deflected radially (inward and outward from the center) by the waveform to be displayed. Creates fascinating patterns and effects. How to add triggered sweep to an oscilloscope. Add-on circuit will upgrade your scope. Circuit for an experimental solid-state oscilloscope uses a 10x16 LED array for the display. Compact LED oscilloscope uses a 5x7 LED array, three ICs and consumes only 15 mA. Electronic games for your oscilloscope include hockey, tennis, etc. Solid-state oscilliscope wrap-up. Additional information and schematics for several reader-designed versions. How to add triggered sweep to an oscilliscope. A simple modification circuit upgrades performance of your general purpose instrument. Estimated cost: $35. Low-cost circuit provides up to 16 logic displays on a single-trace oscilloscope. Rudimentary D/A converter creates an 8-step waveform. Scope sweep adjustment produces 8 traces. Oscilloscope time-base generator provides Z-axis modulation for inexpensive scopes. Est. cost: $15. Add waveform storage to your oscilloscope. Convert any scope with external trigger input into a digital storage unit. Est. cost: $228. Oscilloscope switch lets you display 2, 3, or 4 channels of inputs on a single-trace scope. Est. cost: $70. Turn your TV screen into an oscilloscope. Build this converter that transforms an ordinary television receiver into a sensitive, large-screen oscilloscope for audio frequencies. Est. cost: $25. Choosing and using an oscilloscope. Advice for the hobbyist. Part 1. Choosing and using an oscilloscope. Part 2. All about oscilloscopes. How they function, their proper use, and the features and specifications to look for. A buyer's guide to low-cost oscilloscopes. Build the Easyscope. Use your PC as a dual-channel digital storage oscilloscope with this simple add-on circuit that plugs into your printer port. Est. cost: $85 (kit). Build an LED oscilloscope. This solid-state scope is built around six IC's and twelve 5x7 LED arrays that are arranged to form a 20x20 LED display matrix. How to interpret Lissajous figures on an oscilloscope in order to determine an unknown frequency. Add-on device for an oscilloscope permits you to display quadraphonic signals from your hi-fi system. Build this optical synthesizer, an oscilloscope accessory that generates 3D patterns based on Lissajous principles. Est. cost: $30. What you need to know about oscilloscopes. Includes information on triggered scopes, scope features, selection of bandwidth, scope sensitivity, dual trace scopes, delayed sweep and tips on selecting the best scope for your purposes. Triggered oscilloscope. Part 1. Features a 2-MHz bandwidth and 10 mV-per-division vertical sensitivity. Displays a continuous zero baseline. Estimated cost: $100. Triggered oscilloscope. Part 2. Construction details and calibration instructions. Use your oscilloscope for easier and faster TV troubleshooting. Circuit that allows your oscilloscope to be used as a precision capacitance meter. Add dual-trace capability to your single-trace scope. Allows you to monitor logic levels (TTL and CMOS). Est. cost: $5. What's new in oscilloscopes. Video-sync separator and delayed-trigger capability for your triggered-sweep oscilloscope. Est. cost: $50. Using the new generation oscilloscopes. Some tips. Poor man's storage scope. Combine an oscilloscope, video camera, and a VCR to provide many of the advantages of fancy logic analyzers and digital storage scopes. How to analyze waveforms. Adding a digital readout to an oscilloscope makes it easier to do. Inside digital storage oscilloscopes. How they operate, their applications, etc. Putting a new digital oscilloscope to work. Understanding how they work in order to get the most out of them. Build an oscilloscope. Uses a 20x20 row-and-column matrix of LED's as the display. Part 1. Basic layout for a typical scope. A buyer's guide to digital storage oscilloscopes. An in-depth approach to understanding these sophisticated test instruments. Analog oscilloscopes. How newer analog scopes compare to digital scopes and tips on selecting the right scope for your applications. Build an oscilloscope. Part 2. Design criteria. Build an oscilloscope. Part 3. Horizontal driver circuit. Build an oscilloscope. Part 4. Vertical section. Build an oscilloscope. Part 5. Expanding the vertical display to a full twenty elements. Using an oscilloscope to check CB modulation. Includes plans for a CB scope booster for testing low power transmitters. Est. cost: $5. Device allows simultaneous observation of two different signals with different amplitudes and frequencies on a single-trace oscilloscope. Basically, this unit is a high-speed electronic switch. Dual-trace transistor characteristic curve tracer allows you to simultaneously view (on an oscilloscope) two characteristics of a transistor being checked. Either pnp or npn transistors can be checked. Use your computer as a high-speed oscilloscope. How to build an inexpensive analog-to-digital converter. | |||||||||
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