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Free online library on electronics

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Free online library on electronics Free online library on electronics, Free encyclopedia of electronics and electrical engineering

All articles of the Free encyclopedia of electronics and electrical engineering are listed in alphabetical order. For automatic translation of articles into your native language, please use Translate it! form in the top left corner of the page.

Radio reception

Radio reception

Radio reception. Articles with illustrations and detailed explanations:

1260 MHz Converter

144 MHz Converter for CB Radio

144 MHz Direct Conversion Receiver

144 MHz FM Receiver

144 MHz low-noise Amplifier

144 MHz Super Regenerative Receiver

144 MHz Transistor Converter (1)

144 MHz Transistor Converter (2)

144 MHz VHF Converter

144 MHz VHF Receiver

145 MHz VHF FM receiver

27 MHz converter

28 MHz direct conversion receiver for space communications

50 MHz band converter

A heterodyne receiver over a range of 20 m

A lamp receiver - a new life

A low-frequency Amplifier and an active band-pass filter on a quad op A for a direct conversion transceiver

A mid-wave receiver with a synchronous detector

A simple Amplifier for a receiver with free energy

A simple direct conversion receiver for the 7 MHz range

A simple FM detector

A simple high-quality stereo FM receiver range 70-110 MHz

A simple mid-wave frequency synthesizer

A simple receiver for the 225-400 MHz band for aircraft radio communications

A simple setup system for a VHF FM receiver

A simple short-wave radio receiver

A simple VHF FM receiver

About powering free energy to radio receivers

About the choice of mixing diodes for a direct conversion receiver

Alteration of a civilian portable radio station

AM broadcasting receiver

AM FM path on the SHA1238 chip

AM, CW and SSB detector on a chip

Amateur Fisher’s Radio

Amateur Radio 160 meters

AM-FM low-voltage radio

Amplifier for FM receiver

An economical direct gain receiver

An economical radio

An economical, sensitive, stereo radio

Antenna Amplifier for FM radio

Antenna Amplifier of 2 meter range

Audio Amplifier for battery-powered receivers

Automatic displacement in the mixer

Barometric pressure and QSO

Bidirectional Frequency Scan in a TDA7088T VHF Radio

Broadcasting Console to the tape recorder

Broadcasting individual broadcasting complex

Broadcasting VHF receiver with double frequency conversion

Car Radio Transmitters

Car VHF Tuner

CB radio

Circuit design of the detector radio for 100 years

Combined radio

Computer Tuner

Connecting a handheld receiver to an audio power Amplifier

Convert 65.8 ... 75 MHz - 88 ... 108 MHz

Converter for receiving audio of television programs

Converter for VHF receiver up to 900 MHz

Converter from 50 MHz to 24 MHz

CXA1191S Chip Receiver

Detector Radio

Detector receiver with audio Amplifier

Detectors for receivers with phase locked loop

Digital Code Driver with Memory

Digital FM stereo receiver 60-110 MHz with microprocessor control

Digital scale for FM superheterodyne-type receivers on chips

Digital scale with correction of readings

Digital tuning scale of the VHF radio

Diode Radio 65 ... 130 MHz

Direct Conversion Receiver (1)

Direct conversion receiver (2)

Direct Conversion Receivers for AM and FM Signals

Direct Gain Radio (1)

Direct Gain Radio (2)

Direct Gain Receiver for SW

Direct Gain Receiver on a Logic IC

Direct wave gain receiver

DRM Signal Converter for DEGEN 1103

Dual-band VHF Radio

Economical electronic tuner with high sensitivity on the TA8122 chip

Economical receiver

Economical receiver narrowband FM

Efficient high-frequency Amplifier for the receiver

Electronic scale for radio receivers

Electronic Setup Block

Electronic tuning of the receiver

Ever-speaking radio

Experimental short-wave observer receiver

Experimental VHF-Microwave Detection Receivers

Feedback in SW receivers


Fine Tuning Indicator

First heterodyne receivers

First SW receiver

Fluorescent linear scale

FM generator for the range of 90 ... 110 MHz

FM KA22429 Chip Receiver

FM receiver 1.5 - 170 MHz

FM receiver 400-450 MHz

FM receiver on a TDA7088T chip

FM receiver on the 430 MHz range

FM transistor converter

FM-receiver on TDA7088T

Fox Beacon

Free-energy radio

Frequency Synthesizer and YAMAHA 9500 Microcomputer

Friction vernier for radio

Good Quality Multiplier

High receiver sensitivity - simple methods

High-frequency generator

Highly stable LC generator

How to improve reception quality

How to increase receiver selectivity

Improved receiver selectivity

Improvement of the detector receiver

Improvement of the receiver with phase-locked loop

Improving the Automatic Gain Control receiver using a varistor

Improving the sound of a miniature receiver

Improving the technical characteristics of radio receivers

Increasing receiver sensitivity

Indication of switching ranges of the receiver

Input circuits and receiver radio frequency Amplifier

Intermediate FM frequency path on the integrated circuits for the car stereo

Introducing a second VHF band into a car stereo with a synthesizer

KHA058 chip - FM path

KR8068 radio receiver on CXA1191M microcircuit

Loudspeaker with low-pass filter for a radio receiver or radio station

Loud-speaking detector receiver (1)

Loud-speaking detector receiver (2)

Loud-speaking detector receivers

Low-noise antenna Amplifier

Magnetic antenna multiplier

Manual tuning in the scanning receiver

Measuring the sensitivity of radio receivers with a magnetic antenna

Miniature radio

Modernization of radio receivers

Modernization of the Katran radio receiver nodes

More about the effect of atmospheric pressure on the propagation of short waves

More about the effect of weather on the propagation of short waves

New schemes of superregenerative radio receivers for VHF experiments

New SW receiver

Personal radio call receiver for the range 148 ... 174 MHz

Phase Preselector

Pocket receiver for fishing

Program selection block for the receiver

Program selector for the radio Ishim-003

Protection of the input circuits of radio receivers


Radio Ant

Radio Contest-RX

Radio for giving

Radio on a TDA7000 (174XA42) microcircuit

Radio receiver on the K174XA10 microcircuit

Radio reception ... without a radio receiver

Radio Uninterruptible Power Supply

Radio VHF frequency synthesizer control unit

Radio with field-effect transistors

Radio with frame antenna

Radio with power from a ... multimeter

Range 88 ... 108 MHz in old receivers

RDS signal receiver

Rebuilding VHF blocks on FM

Receiver 0-18 MHz

Receiver Controller

Receiver for centimeter waves

Receiver for walking

Receiver in soap box

Receiver on an operational Amplifier

Receiver range of 160 meters on the chips SA612A

Receiver without inductance coils

Receiver without power

Refinement of receivers

Refinement of the SEC-850M receiver

Reflex Radio

Reflex radio for local reception

Reflex receiver with low-voltage power

Regeneration mode in a superregenerative receiver

Regenerative SW receiver

Regenerative VHF-FM Radio

Regenerator on NE and 160 m

Relaxation oscillations

Remote control of a VHF radio receiver

Renegative AM-FM Receiver

reworking the VHF receiver

Ring stereo decoder in VHF FM receivers

Road Star track AM

Selha-405 VHF Radio

Sensitivity Receiver

Simple FM receiver (1)

Simple FM receiver (2)

Simple Q-Multiplier

Simple Shortwave Radio

Simple SW Converter for Car Receiver

Simple SW receiver

Simple VHF FM Receiver

Simple VHF Receiver

Simplest FM receiver

Six receivers on one transistor

Sound indicator-sharpener in the fox hunting receiver

SSB detector in a broadcast receiver

Stereo FM 88 ... 108 MHz CXA1238S Chip Receiver

Stereo in a simple radio receiver

Stereo Superheterodyne Receiver

Stereo VHF-FM Receiver

Stereodecoder Prefix

Supereconomic Receiver


Superregenerative field-effect transistor receiver

Superregenerative receiver at 80-125 MHz

Superregenerative receiver at 90-150 MHz

Superregenerative receiver at 90-150 MHz

Superregenerative receiver on a high-frequency barrier generator

Superregenerative receiver on the CB range

Superregenerator 88-108 MHz

Super-Test Radio

SW Converter

SW Converter for VHF Receiver

SW oscillator LO oscillator

SW-Observer Receiver

SW-receiver direct gain


Synchronous AM Receiver

Synchronous heterodyne receiver VHF FM signals

TDA7000 (174XA42) Chip Radio

The Last of the Mohicans ...

The radio is also a digital frequency meter

The receiver is powered by ... from the radio station

The role of the ionosphere in distant radio communications

TRAN - C Converter

Transistor Radio for AM Range

Two two-transistor radios

Two-transistor radio

Two-transistor receiver

Two-tube superheterodyne

UHF for a CB receiver

Universal Detector

Universal power supply for radio receivers

Universal VHF FM receiver 70-150 MHz

Universal VHF-UHF SEC-850M Receiver

Upgrading the TECSUN receiver

UZP for low-voltage receiver

Vacuum tube VHF FM-receiver in retro style

VHF / CB radio receiver into the body of a subscriber loudspeaker

VHF Converter

VHF Converter (1)

VHF Converter (2)

VHF Converter 128-148 MHz to 88-108 MHz

VHF detector receivers

VHF FM KHA060 Chip Receiver

VHF FM receiver on a KXA058 microcircuit

VHF FM receiver on a specialized KXA058 microassembly

VHF FM receiver on one transistor

VHF FM receiver on the KHA058 microcircuit

VHF FM receiver with surround resonator

VHF FM receivers with phase locked loop

VHF FM Tuner

VHF prefix to the direct gain receiver

VHF prefix to the radio

VHF prefix to the WEF-12 receiver

VHF Radio

VHF radio at KHA-058

VHF Radio with FM in the frequency range 64 ... 108 MHz and low-voltage power

VHF receiver - in a pack of MARLBORO

VHF Receiver (1)

VHF Receiver (2)

VHF receiver (monitor) Harry Litalall

VHF receiver from ready-made blocks

VHF receiver in a pack of Marlboro

VHF Receiver Skat

VHF receiver with phase locked loop (1)

VHF receiver with phase locked loop (2)

VHF stereo tuner

VHF supergenerator with frame antenna

VHF superregenerator

VHF tuner on a KS1066HA1 chip

VHF unit of YAMAHA 9500 car audio

VHF-FM Radio Aurora Millennium

VHF-FM stereo tuner 60-108 MHz on a TDA7021T chip

VHF-FM Tuner

Fox Hunter Weapon

Your first receiver