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Learning Electronics from Zero - Level 3 Course
by ELECTRONIQUE
Comprehensive electronics course compiled from issues 55-79 of Electronique et Loisirs Magazine. This Level 3 training manual covers advanced topics including superheterodyne receiver design and operation, transmitter conception and impedance matching, numeric oscillators with TTL and CMOS integrated circuits, amplifier classes (A, B, AB, C), flip-flop circuits, frequency counters (analog and digital), binary and hexadecimal number systems, programmable unijunction transistors (PUT), and oscilloscope operation with multiple measurement techniques. Includes 18 detailed lessons combining theoretical explanations with practical applications, circuit diagrams, and construction guidelines. Designed for learners progressing beyond fundamental electronics with hands-on project implementations throughout the course.
Table of Contents:
- LESSON No. 38-1 The principle of operation of superheterodyne receivers first part: the theory .... page 5
- Endodyne - Ultradyne - Tropodyne - Heterodyne .... page 5
- How a superheterodyne works .... page 5
- The oscillator of a superheterodyne .... page 5
- LESSON No. 38-2 second part: practical application Construction of a Medium Wave receiver .... page 5
- The practical realization .... page 5
- The adjustment .... page 5
- The reception of MW .... page 5
- LESSON No. 39-1 How to design a transmitter first part: the theory .... page 5
- What does impedance matching mean? .... page 5
- Connecting a collector to the base of an amplifier transistor .... page 5
- Adapting a final transistor to a normalized impedance of 50 or 75 ohms .... page 5
- The power amplifier transistor .... page 5
- The working frequency .... page 5
- The output power .... page 5
- The working voltage .... page 5
- The gain in dB .... page 5
- The ultimate advice .... page 5
- LESSON No. 39-2-1 How to design a transmitter part: .... page 5
- The electrical schematic .... page 5
- The low-pass filter calculation .... page 5
- The modulation stage .... page 5
- The practical realization of the transmitter .... page 5
- The practical realization of the modulator .... page 5
- The adjustment of the transmitter .... page 5
- LESSON No. 39-2-2 How to design a transmitter second part: practical application .... page 5
- The 50 or 75 ohm load probe .... page 5
- How to connect the modulator .... page 5
- The dipole transmitter .... page 5
- The assembly in the enclosure .... page 5
- LESSON No. 40-1 Digital oscillators first part: the theory .... page 5
- Digital oscillators with TTL and C/MOS integrated circuits .... page 5
- The oscillator with a triggered TTL inverter or "triggered inverter" .... page 5
- The oscillator with three non-triggered TTL inverters .... page 5
- The oscillator with two non-triggered TTL inverters .... page 5
- LESSON No. 40-1-2 Oscillators with a triggered C/MOS inverter .... page 5
- The oscillator with three non-triggered C/MOS inverters .... page 5
- The oscillator with two non-triggered C/MOS inverters .... page 5
- The oscillator with NE555 .... page 5
- Quartz oscillators with TTL-HC/MOS-C/MOS integrated circuits .... page 5
- TTL, HC/MOS and C/MOS integrated circuits .... page 5
- The oscillator with one HC/MOS inverter .... page 5
- The oscillator with HC/MOS type NAND .... page 5
- The oscillator with three TTL inverters .... page 5
- The oscillator with C/MOS inverter .... page 5
- The oscillator with C/MOS type NAND .... page 5
- The last advice .... page 5
- Quartz tolerance .... page 5
- Conclusion .... page 5
- LESSON No. 40-2 How to convert the 27 MHz band on medium waves? .... page 5
- Digital oscillators second part: practical application .... page 5
- Converting 27 MHz on medium waves .... page 5
- The electrical schematic .... page 5
- The practical realization .... page 5
- The connection to the receiver .... page 5
- LESSON No. 40-3 Construction of two timers with NE555 .... page 5
- Digital oscillators third part: practical application .... page 5
- The first timer .... page 5
- The calculation of duration in seconds .... page 5
- The calculation of frequency .... page 5
- The inverter S1 to C1-C2 .... page 5
- The inverter S1 to C3-C4 .... page 5
- The divider integrated circuit 4020 .... page 5
- Theoretical durations and real durations .... page 5
- The second timer .... page 5
- How to control maximum durations .... page 5
- The practical realization of the first timer .... page 5
- The practical realization of the second timer .... page 5
- The adjustments .... page 5
- Conclusion .... page 5
- The relay output contacts .... page 5
- LESSON No. 41-1 Class A, B or C amplifiers first part .... page 6
- Class A, B, AB and C amplifiers .... page 6
- Base polarization .... page 6
- Collector current .... page 6
- Transistor graph .... page 6
- A transistor in class A .... page 6
- LESSON No. 41-2 Class A, B or C amplifiers second part and end .... page 6
- A transistor in class B .... page 6
- A transistor in class AB .... page 6
- A transistor in class C .... page 6
- LESSON No. 42 The FLIP-FLOP .... page 6
- How a FLIP-FLOP circuit works .... page 6
- The SET-RESET type FLIP-FLOP with NAND .... page 6
- The SET-RESET type FLIP-FLOP with NOR .... page 6
- A pulse can replace the pushbutton .... page 6
- An ON/OFF type relay .... page 6
- An electronic switch .... page 6
- The D type FLIP-FLOP .... page 6
- The D FLIP-FLOP as frequency divider .... page 6
- An experimental assembly for Set-Reset FLIP-FLOP .... page 6
- The electrical schematic and practical realization .... page 6
- LESSON No. 43-1 An analog frequency meter for analog or digital multimeter .... page 6
- Electrical schematic .... page 6
- Practical realization .... page 6
- Assembly in the enclosure .... page 6
- Which tester (multimeter) to use? .... page 6
- Adjustments .... page 6
- Input sensitivity .... page 6
- LESSON No. 43-2-1 Practical application A 5-digit 10 MHz digital frequency meter .... page 6
- Practical application .... page 6
- AC voltage and frequency .... page 6
- The time base stage .... page 6
- The input stage .... page 6
- LCD counter-decoder stage .... page 6
- LESSON No. 43-2-2 The Latch and Reset signals .... page 6
- Power supply stage .... page 6
- Practical realization .... page 6
- Assembly in the enclosure .... page 6
- Adjustable capacitor C16 adjustment .... page 6
- How to build this assembly? .... page 6
- LESSON No. 44 CD40103 .... page 6
- The 8-bit CD40103 counter .... page 6
- The meaning of indications on the pins .... page 6
- A comprehension test .... page 6
- Conclusion .... page 6
- Build this assembly .... page 6
- LESSON No. 45 Binary and hexadecimal numbers .... page 6
- Decimal numbering .... page 6
- Binary numbering .... page 6
- Hexadecimal numbering .... page 6
- Decimal to hexadecimal conversion .... page 6
- Hexadecimal to decimal conversion .... page 6
- Decimal to binary conversion .... page 6
- Binary to decimal conversion .... page 6
- Another method to convert binaries to hexadecimals and vice versa .... page 6
- If you
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