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ABOUT TECHNOLOGY AND ELECTRONICS-DIY
153 Practical assemblies - Electronic circuits used in automation
Authors: Dr. Andrei Ciontu, Stefan Ianciu, Vasile Ciobanita, Marius Ungureanu Publisher: Teora Year of publication: 1990
What does the paper present?
This volume includes practical electronic schemes which include, as far as possible, a wide range of fundamental electronic circuits in more complex schemes, in accordance with the desired application.
The selection was made, in particular, from specialized journals, journals mentioned in the bibliography, by translating, processing and shortening the content of the articles. Some applications are simple, others, more modern, are more complex, but this is the purpose of such a collection: to present "everything for everyone".
The paper is useful for electronics, regardless of their level of training. The book also presents some original schemes. These have been practically tested and are treated in more detail.
Because in some schemes in this paper there are semiconductor devices from the CIS (Commonwealth of Independent States - former USSR), at the end was inserted in four annexes, equivalence tables for diodes, silicon transistors, germanium transistors and integrated circuits of various types .
The structure of the book
Chapter 1 - CIRCUITS USED IN ELECTRONIC POWER SUPPLIES
1.1 Useful modification of the rectifier 1.2 Step-adjustable rectifier 1.3 Capacitive divider at network frequency 1.4 Direct current stabilizer 1.5 Constant current source 1.6 Voltage controlled current generator 1.7 Voltage comparator 1.8 Voltage converters 1.9 DC / DC converter 1.10 Adjustable thyristor rectifier 1.11 Voltage stabilizer 1.12 System back-up 1.13 Stabilizer overload indicator 1.14 Power supply without transformer, with suppression capacitor 1.15 Voltage stabilizer with double overload protection
Chapter 2 - ELECTRONIC CIRCUITS FOR LOW FREQUENCY PROCESSING
2.1 Transistor instead of potentiometer 2.2 Operating amplifier with variable gain 2.3 Low frequency bidirectional line 2.4 Amplifier with absolute value determination 2.5 Adjustable amplifier 2.6 JF phase shifter on the bridge 2.7 Adjustable phase shifter 2.8 Balanced double mixer 2.9 Active voltage controlled filter 2.10 Active filters with positive integrators 2.11 Filter for CW reception 2.12 Dynamic compressor with low distortion 2.13 Voice signal converter 2.14 Selective call 2.15 Guitar amplifier 2.16 150 W CD quality audio amplifier 2.17 TDA 3810 audio enhancer 2.18 Voice recognition without PC 2.19 Surround-sound decoder 2.20 Sound sampler for PC 2.21 Connecting a radio transmitter and receiver to the computer 2.22 Radio receiver-megaphone 2.23 Broadband AF Power Amplifier 2.24 Dynamic pseudo-stereo converter 2.25 Tracking limiter of noise pulses
Chapter 3 - VARIOUS ELECTRONIC OSCILLATORS
3.1 RC Oscillator 3.2 Oscillator ordered for four decades 3.3 Two-tone oscillator 3.4 Sinusoidal oscillator with fast amplitude stabilization 3.5 Colpitts Oscillator 3.6 Frequently adjustable oscillator 3.7 VXO 3.8 RF oscillator with CAF 3.9 HF signal generator 3.10 20 m transmitter with 2 MHz LC oscillator 3.11 Fast frequency divider with stimulated and synchronized oscillators 3.12 Frequency multiplier with self-locking generator 3.13 Frequency synthesizer with compensation on X = 2 m 3.14 Gunn microstrip hybrid oscillator 3.15 OCT between 70 and 80 MHz 3.16 Quartz oscillator with improved performance 3.17 Radiomicrophone
Chapter 4 - RADIO FREQUENCY ELECTRONIC PROCESSING CIRCUITS
4.1 RF attenuators 4.2 Repeater with FET 4.3 US Converter 4.4 Mixer with increased sensitivity 4.5 UP-converter in 2 meter band 4.6 FM discriminator with transistor 4.7 Radio adapter for receiving three programs 4.8 ARF with avalanche transistors 4.9 Broadband amplifier 4.10 RF amplifier with adjustable gain 4.11 Frequency multiplier with DM 4.12 Frequency multiplier 4.13 QRP, US and UUS transmitters 4.14 New applications of the TBA120 circuit 4.15 Use of the radio receiver for cable radio transmission 4.16 Product detector 4.17 Simple receiver in 80 m band 4.18 Construction of a hybrid floor 4.19 Converter on UUS 4.20 Radiomicrophone with quartz stabilization of the transmitter frequency 4.21 Linear final stage of 10 W
Chapter 5 - ELECTRONIC CIRCUITS USED IN AUTOMATIONS
5.1 Level detector 5.2 Protection circuit 5.3 Temperature regulator 5.4 Automatic level adjustment circuit 5.5 Amplifier for servomotors 5.6 Speed controller for DC motors 5.7 Integrated temperature sensor 5.8 Heat warning 5.9 Signaling machine for washing machine 5.10 Automatic switch 5.11 Automatic door locking 5.12 Speed controller for asynchronous motors 5.13 Fax - automatic start 5.14 Self-switching on the TV 5.15 Thermometer with semiconductor transducer 5.16 Temperature regulators for the tips of the beds 5.17 Letcon with temperature stabilizer
Chapter 6 - ELECTRONIC CIRCUITS FOR TESTING AND MEASUREMENT
6.1 Voltage indicator circuit 6.2 Multi-wire cable tester 6.3 Circuit for measuring the actual values 6.4 Linearized resistive bridge 6.5 RF bridge 6.6 Test generator 455 kHz - MA 6.7 TV test generator 5.5 / 6.5 MHz - MF 6.8 Wobbler generator 6.9 Oscilloscope scan channel 6.10 Testor Q and LC 6.11 Hour meter 6.12 VSWR indicator with self-calibration 6.13 20 + 100 MHz field indicator 6.14 X-band radiated field detector 6.15 Differential probe for oscilloscope 6.16 Serial data generator 6.17 Function generator with integrated circuit MAX038 6.18 Capacitor with logic integrated circuit 6.19 Q-meters 6.20 Inductance measurement using the frequency meter 6.21 Adapter for the ranges 300 - 5 - 900 and 800 - 1950 MHz to the wobbled generator
Chapter 7 - HOLIDAY ASSEMBLIES
7.1 Sensory switch (touch switch) 7.2 Acoustic relay 7.3 Sound control by sound 7.4 Dynamic light 7.5 Hello… three minutes 7.6 Electronic phone ringtone 7.7 Economic night light 7.8 LED RGB 7.9 Circuit for water softening 7.10 Ultrasonic radar 7.1 1 Ultrasonic radar used as an electronic parking distance detector 7.12 An unusual montage 7.13 Battlefield-specific sound generator 7.14 Radiometron 7.15 Ultra-sensitive microphone 7.16 How to turn a regular phone into a keypad phone 7.17 Various electronic bells 7.18 Radio electronic circuits for guarding cars 7.19 Holiday receiver 7.20 Simple miniature superheterodyne 7.21 Generator that mimics the sound of the steam locomotive 7.22 The game "scissors - paper - stone"
Chapter 8 - ELECTRONIC PULSE CIRCUITS
8.1 Pulse generator with starting ramp 8.2 Step voltage generator 8.3 Divider with 2 controlled 8.4 Monostable circuit 8.5 TLV Generator 8.6 Generator with simulated programmable TUJ 8.7 Module 2 adder with CDB400 8.8 Very narrow pulse generators 8.9 Voltage-frequency converter 8.10 Linear control for IC 555 8.11 Power pulse generator 8.12 A / D converter with logarithmic response 8.13 Single-pulse generator 8.14 Programmable pulse generator 8.15 Frequency discriminator 8.16 Data entry circuit 8.17 Delay circuit 8.18 Wide frequency pulse generator 8.19 Modified Multivibrator
Chapter 9 - ELECTRONIC CIRCUITS USED IN TELEVISION
9.1 Camera antenna for decimetric waves 9.2 Active distributor of the TV signal 9.3 Antenna switch 9.4 Broadband amplifier for coaxial cable 9.5 Antenna amplifier 9.6 PAL encoder 9.7 Kinescope filament current stabilizer 9.8 Test generator for checking the RGB inputs of the TV
Chapter 10 - MISCELLANEOUS ELECTRONIC CIRCUITS
10.1 Regenerator of electronic tubes 10.2 Humidity detector with condenser 10.3 Control circuit for SPO 10.4 Current pulse modulator 10.5 Coding the telephone call with the FX 118 integrated circuit 10.6 Radio beacon for 144 MHz 10.7 Microwave dam 10.8 IR remote control tester 10.9 IR Repeater 10.10 Deck generator for ultrasonic piezo emitter
ANNEXES
Annex 1. Equivalence of some CSI diodes Annex 2. Equivalence of CIS KT type transistors (silicon) Annex 3. Equivalence of CIS P, MP and GT type transistors (germanium) Annex 4. Equivalence of CIS integrated circuits
