Electronic Circuit Design Ideas - 1st Edition - ISBN: 9780750620475, 9781483135472

Electronic Circuit Design Ideas

1st Edition

Edn Series for Design Engineers

Authors: V. Lakshminarayanan
eBook ISBN: 9781483135472
Imprint: Newnes
Published Date: 21st November 1994
Page Count: 268
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Electronic Circuit Design Ideas covers a wide variety of electronic circuit design, which consists of a circuit diagram, waveforms, and an explanation of how the circuit works.

This text contains 14 chapters and starts with a review of the principles of digital circuits and interface circuits frequently used in circuit design. The next chapters describe the commonly used timer, op-amp, and amplifier circuits. Other chapters present some examples of waveform generators and oscillators used in circuit design. This work also looks into other classifications of circuits, including phase-locked loop, power-supply, and voltage regulator circuits. The final chapters are devoted to the methods of controlling DC servomotors and stepper motors. These chapters also examine other design ideas, specifically the use of slotted optical sensor based revolution detector, photodiode and magnetic transducer detector, and FSK circuit.

This book will prove useful to electrical engineers, electronics professionals, hobbyists, and students.

Table of Contents



1 Digital Circuits

1.1 Monostable Multivibrators

1.2 Digitally Programmable Monostable Uses a PLD

1.3 Use a Counter as a Pulse-Stretcher

1.4 Digital Noise Canceller

1.5 Build a Low-Cost Delay Line

1.6 Digital Phase-Detector

1.7 Digital Frequency Mixer

1.8 Digital Attenuator

1.9 Binary Frequency Divider

1.10 Digital Edge-Detectors

1.11 One IC Doubles Frequency

1.12 Inexpensive Frequency Counter/Tachometer

1.13 Missing Pulse Detector

1.14 Digital Quadrature Phase-Shifter

1.15 Pulse-Width Discriminator

1.16 Power-On Reset Circuit Using Monostable 74121

1.17 Quadrature Waveform Decoder

1.18 2 to 1 Digital Multiplexer Using Spare Tristate Buffers

1.19 Switch Debouncers

1.20 Spare Buffers Debounce Push-Button Switch

1.21 Programmable Digital Frequency Comparator

1.22 Programmable Frequency Comparator for Analog Signals

1.23 AC Line Synchronizer

1.24 AC Line Synchronizer

1.25 Time-Base Generator

1.26 Bit Rate Generators

1.27 Single Pulse Extractor

1.28 Use a Spare EX-OR Gate as an Inverter

1.29 Monolithic Decade Counter Decoder Display Driver

1.30 Digital Glitch Detector

1.31 Phase Lead-Lag Indicator

1.32 Digital Synchronizer

1.33 Electronic Alternate-Action Switch

1.34 Programmable Undervoltage/Overvoltage Detector

2 Interface Circuits

2.1 Logic Interfacing Techniques

2.2 RS 232 Line Driver/Receiver

2.3 Optically Isolated RS 232 Interface

2.4 Low-Power 5 V RS 232 Driver/Receiver

2.5 Programmable Micropower Level Translator/Receiver/Driver

2.6 RS 232 and RS 423 Line Driver

2.7 Monolithic Relay Driver

3 Timer Circuits

3.1 Astable Multivibrator Using 555 Timer

3.2 Low-Cost Appliance Timer

3.3 Sequential Timer

3.4 Long Duration Timer Using Quad Timer 558

3.5 CMOS Programmable 0-99 Seconds/Minutes Timer

3.6 Retriggerable Monostable Using 555 Timer

3.7 Low-Power Monostable Using 555 Timer

4 Op-Amp Circuits

4.1 Integrator

4.2 Differentiator

4.3 Voltage Follower

4.4 Simulated Inductor

4.5 Op-Amp Power Booster

4.6 High Current Booster

4.7 Window Comparator

4.8 Voltage Comparator with Hysteresis

4.9 Voltage-to-Current Converter

4.10 Supply-Frequency Reject Filter

4.11 Visible Voltage Indicator

4.12 Precision Half-Wave Rectifier

4.13 Precision Full-Wave Rectifier

4.14 Op-Amp Supply Splitter

4.15 Four-Quadrant Analog Multiplier

4.16 Programmable Positive and Negative Voltage References

4.17 Negative Voltage Reference Using a Positive Voltage Reference

5 Amplifier Circuits

5.1 Inverting Amplifier

5.2 Non-Inverting Amplifier

5.3 Summing Amplifier

5.4 Absolute Value Amplifier

5.5 Differential Amplifier

5.6 Bridge Transducer Amplifier

5.7 Monolithic Logarithmic Amplifier

5.8 Antilog Amplifier

5.9 Low-Distortion Audio Amplifier

5.10 Low-Noise, High-Speed Precision Op-Amp

5.11 Low-Cost 50 W per Channel Audio Amplifier

5.12 Power Amplifier

5.13 Single-Supply Instrumentation Amplifier

6 Waveform Generators

6.1 Monolithic Precision Waveform Generator

6.2 Single-Supply Function Generator

6.3 Triangle and Square Wave Generator

6.4 Ramp Generators

6.5 Sawtooth and Pulse Generator

6.6 Square Wave Tone-Burst Generator

6.7 Single-Tone-Burst Generator

6.8 Linear Ramp Voltage Generator

6.9 Staircase Waveform Generator

6.10 Two-Phase Sine Wave Generator

6.11 Get ±15 V Square Waves from + 5 V

6.12 Programmable Pulse Generator

6.13 Nanoseconds Pulse Generator

6.14 3-Phase Clock Generator

6.15 4-phase Clock Generator

6.16 Digital Phase-Shifted Clock Generator

6.17 Wien-Bridge Oscillator

6.18 Wien-Bridge Oscillator Using Spare Logic Inverters

6.19 RC Phase-Shift Oscillator

6.20 Crystal Oscillator

6.21 Gated Oscillator

7 Phase-Locked Loop Circuits

7.1 Monolithic Phase-Locked Loop

7.2 Monolithic Tone Decoder

7.3 Dual-Tone Decoder

7.4 Go/No-Go Frequency Meter

7.5 High-Speed, Narrow-Band Tone Decoder

7.6 One-Shots Tame Tone Decoder

7.7 PLL Lock Indicator

7.8 Frequency Multiplication Using PLL 565

7.9 Reduce Distortion in Mod-Demod Circuit

7.10 Phase Modulator

7.11 Phase Detector

7.12 Frequency Doubler

8 Power Supply Circuits

8.1 Transformer-Isolated +5 V Power Supply

8.2 Uninterruptible +5 V Power Supply

8.3 +5 V to ±10 V Voltage Converter

8.4 ±5 V Power Supply from a 9 V Battery

8.5 +3 V Battery to +5 V DC-DC Converter

8.6 Low-Cost DC Voltage Booster

8.7 DC Voltage Splitter

8.8 Supply Voltage Splitter

8.9 Step-Up Negative Converter

8.10 Positive Voltage Doubler

8.11 Circuit Gives Constant DC Output with Selectable AC Input

8.12 Power-Fail Alarm

8.13 AC Power Fail and Brownout Detector

8.14 Power-Fail Warning and Power-Up/Power-Down Reset

8.15 Blown-Fuse Indicator

9 Voltage Regulator Circuits

9.1 Positive Adjustable Voltage Regulator

9.2 5 A Positive Adjustable Voltage Regulator

9.3 Negative Adjustable Voltage Regulator

9.4 Automobile Voltage Regulator

9.5 Voltage/Current Regulator

9.6 Voltage Inverting Switching Regulator

9.7 Voltage Converter

10 Battery Circuits

10.1 Simple Battery Charger

10.2 Wind-Powered Battery Charger

10.3 Battery Status Indicator

10.4 9 V Battery Life Extender

10.5 Battery Switchover Circuit

10.6 Automatic Battery Back-Up Switch

10.7 Polarity Insensitive Battery-Powered Supply

10.8 Combination Low-Battery Warning and Low-Battery Disconnect

11 Motor Control Circuits

11.1 DC Servomotor Phase-Locked Loop

11.2 Simple Bidirectional DC Motor Speed Controller

11.3 Constant Current Motor Drive

11.4 Control a Bidirectional 4-Phase Stepper Motor

11.5 PLD Adds Flexibility to Motor Controller

12 Encoders/Decoders

12.1 Revolution Sensor

12.2 Photo-Diode Detector

12.3 Detector for Magnetic Transducer

12.4 FSK Demodulator Using PLL 565

12.5 SCA Decoder

13 Tester Circuits

13.1 On-Board Transistor Tester

13.2 Zener Diode Tester and Unmarked Zener Identifier

13.3 FET Tester

13.4 Crystal Tester

13.5 Coaxial Cable Tester

14 Miscellaneous Circuits

14.1 High-Side Switch

14.2 Power MOSFET Driver

14.3 DTMF Filter Detects Tones in Exchanges

14.4 Four Channels on a Single Channel Scope

14.5 Light-Activated Alarm

14.6 Remote Light Monitor

14.7 Low-Cost Electronic Lamp Dimmer

14.8 Incandescent Lamp Dimmer and Protector

14.9 Analog Switch Needs no Supply

14.10 Simple High/Low Temperature Alarm

Appendix 1 Reference Index of Integrated Circuits and their Sources

Appendix 2 Addresses of Manufacturers

Appendix 3 Datasheets of Commonly Used Integrated Circuits


Circuits Index


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About the Author

V. Lakshminarayanan

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