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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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AMPLIFIER sa ANTENNA AMPLIFIER sa AUDIO AMPLIFIER sa OPERATIONAL AMPLIFIER sa OSCILLATOR sa TELEPHONE AMPLIFIER sa VIDEO AMPLIFIER xx ELECTRONICS Transformerless balanced output circuit takes the place of the usual output transformer used to balance and float the output of a single-ended circuit. Pulse modulated amplifiers. Part 1. Updating pulse modulation. The theory. Pulse modulated amplifiers. Part 2. Developing high quality pulse width modulation. A step-by-step guide for implementation using breadboards. BASIC computer program will calculate component values for the quiescent DC bias of a triode tube amplifier. Mathematical calculations used to refute the popular idea that the common-mode gain of a differential amplifier is proportional to the ratio of the load resistor to the tail resistor. R.F. power transistors and amplifiers. Part 1. Listen to the electrical signals generated by your heart and muscles with this amplifier which will provide a gain of about 300,000. R.F. power transistors and amplifiers. Part 2. Test setup for servicing power transistors and RF amplifiers. R.F. power transistors and amplifiers. Part 3. Conclusion discusses radiation and the effects on the human body. The Pi-network. An explanation of everything you ever wanted to know about the pi-network. A simple solution to high-frequency amplifier circuits utilize the MAR-series of integrated devices. Solid-state RF amplifiers for beginners. Some remedies for unstable solid-state RF amplifiers. Solid-state RF power amplifiers. Some design tips. Looks at (1) single, parallel, or push-pull transistors, (2) amplifier gain and device choice, (3) instability, (4) proper matching, etc. Includes a schematic diagram of a practical 5 watt class-C amplifier for 7 MHz. Multi-purpose broadband amplifier used to boost the low-power output from a crystal oscillator, VFO, or signal generator. Will produce up to 1 watt of output power from 1 MHz to 50 MHz. A catalog of practical circuits. Part 2. (1) IC audio amplifiers for operating a speaker. (2) Small-signal RF amplifiers suitable for use in receivers and transmitters and as preamplifiers. Screen overcurrent protection. Considerations in designing a power amplifier (which uses tetrodes or pentodes) to prevent damage to expensive vacuum tubes. Common collector amplifiers. Learn about common-collector bipolar junction transistor (BJT) amplifiers. Transistor cookbook. Learn about common-emitter and common-base bipolar transistor amplifiers. Potpourri of circuits utilizing bipolar junction transistors. Circuits to amplify signals, filter high and low frequencies, generate white noise, flash lamps, etc. Differential amplifiers, one of the most significant analog circuits of all time. A brief introduction to their operation and applications. Common-sense design of transistor amplifier. Using Ohms Law to calculate the necessary circuit components for a complete transistorized amplifier. Utility amplifier delivers from 150 milliwatts to 1 watt depending on power supply (3-, 6-, or 12-volts). Uses an integrated circuit. High input impedance is 55,000 ohms and low input impedance is 1,000 ohms. Est. cost: $15. How to design an additional simple transistor amplifier stage for existing equipment. A discussion of the very simple and straightforward methods that can be used to predict the gain and DC operating conditions of an amplifier. Bandpass amplifier turns the output from a high quality microphone into the "telephone voice" effect. Uses the type 741 op-amp. Circuit for an equalized tape head preamplifier uses the type 741 opamp. Bargain priced tape decks can be made operational with these electronics. Analyzing the Hedge voltage amplifier. Using PSpice for nonlinear modeling. Audio booster amp. 20-dB booster is battery powered. Use it to provide extra power to microphone circuit, add an extra microphone input to an amplifier, convert a utility amplifier into an audio-signal tracer, etc. Electronic fundamentals. Amplifiers. The new MMIC (monolithic microwave integrated circuits) wideband amplifiers. Includes a circuit for a working MMIC amplifier you can build from parts. Electro-mechanical circuit can amplify or oscillate without the aid of vacuum tube or solid-state device. Circuit for a two-stage amplifier also shown. A simple two-stage amplifier circuit is built from telephone mike, telephone earpiece and a small speaker. Electronic fundamentals. Amplification stages in amplifier design. Looks at both cascaded staging and bridging. 1-MHz to 2-GHz amplifier provides up to 40 dB of gain. Tiny 9-volt powered device uses miniature 50-ohm cascadable monolithic ICs, surface mounting of components, and microwave strip-line layout of components. Est. cost: $20. Using DC voltmeters in troubleshooting direct-coupled differential and high-gain Darlington amplifier circuits. Q-multiplier circuit amplifier. Class C power amplifier using one transistor. Transistor amplifier circuit exhibits 20 dB gain and AGC range of about 40 dB. Basic line-operated solid state amplifier circuit delivering up to one watt. Manufacturer's circuit. A unity voltage gain impedance-matching amplifier with an effective input impedance of approximately 1,250 megohms and output of 600 ohms. Circuit for a moderate-to-high gain common-base one transistor amplifier. Circuit for a typical transformerless IF amplifier strip employing frequency-selective electromechanical filters. Six circuits using linear integrated circuits including circuits for (1) remote control amplififer, (2) wide-band amplifier and limiter, (3) A 1-watt audio amplifier, (4) a subminiature audio amplifier, (5) a half-watt audio amplifier, and (6) bifet amplifier. Circuit which will amplify signals up to 200 MHz. May be used in amplifiers or harmonic mixers. Designing simple solid-state amplifier circuits for the experimenter. Typical applications of the new CDA (current differencing amplifier). Use this IC in linear or digital circuits. Use with a single 4- to 36-volt power supply. Nine uses for the 703 monolithic amplifier. A guide to the use of CMOS inverting stage (amplifier) in linear applications. A simple method for biasing transistors used in a bipolar transistor amplifier. General-purpose utility amplifier. Uses include signal tracing, sound detection, induction receiver, etc. Dual chopper amplifier circuit is used to amplify a minute DC signal so that it can be read out on any digital voltmeter. The circuit works by converting the input into an AC signal, amplifying the AC, and then rectifying back to DC. Using wideband amplifiers. Learn about amplifiers capable of handling almost any signal. Broadband RF amplifier circuit has a usable gain of up to 100. General-purpose amplifier is a simple circuit than can be placed in a signal path to provide any necessary signal boost. Remote gain-controller circuit uses switches to produce a stepped, variable-gain range of from 1 to 100. Useful RF (radio frequency) circuits. (1) RF-Sniffer can be used to hunt for RF-noise or indicate that a transmitter is operating. (2) RF-detector probe allows a DC voltmeter to indicate the presence of powerful radio waves. (3) Sensitive RF-detector probe allows a meter to detect small RF signals. (4) Wideband RF instrument amplifier. (5) Tuned or untuned RF wavemeter will provide an indication of the output level of a transmitter signal as radiated from an antenna or dummy load. (6) 100 kHz crystal calibrator RF source to calibrate receivers, sweep generators, signal generators, or other RF sources. Build a test bench amplifier to boost low-level signals enough to drive a speaker. Can also be used as a high-frequency RF-signal tracer. Build the "galviamp" (a galvanometer and a variable-gain amplifier) in one compact case. All about monolithic microwave integrated circuit (MMIC) amplifiers, special devices which provide decent gain from near-DC to the microwave region. Using the current-difference linear IC amplifier (Norton amplifier) which performs similarly to the op-amp, but is better suited for certain applications. Electronic voice substitute. Amplify a weak voice or whisper up to 1000 times. Use for fun or as a genuine aid for someone unable to talk at normal volume. How to design analog circuits. Part 6. Amplifying AC signals. How to design analog circuits. Part 7. Multi-stage amplifiers. How to design analog circuits. The various types of power amplifiers and some important factors to consider when designing these circuits. How to design analog circuits. How to use feedback. Designing with linear IC's. Part 4. Differential and instrumentation amplifiers and how to use them. Designing with linear IC's. Part 5. Current-difference amplifiers (CDA's) and operational transconductance amplifiers (OTA's). Designing with linear IC's. Part 6. The logarithmic and isolation amplifiers. Designing with linear IC's. Part 7. Voltage-controlled amplifiers, integrators, and differentiators. Broadband amplifier circuits like those found in modern transistorized shortwave receivers are explained. Broadcast-band RF amplifier circuit can be added to a low- to mid-priced receiver or car radio to improve AM reception. Build this miniature wideband amplifier. Gives a 20-dB gain for TV signals and other signals from DC to 450 MHz. Est. cost: $12. Synchronous demodulators, an electronic multiplier that extracts the sum and the difference between your input-frequency signal and your reference switching frequency. An introduction to their operation and application. Also called autocorrellator, lock-in-amplifier, doubly balanced modulator, phase-sensitive detector, I-Q demodulator, synchronous rectifier, phase-locker, or homodyne detector. | |||||||||
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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