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Atlas Radio Diagrams – Circuit Schematic
Atlas Radio Diagrams
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Filters – Circuit Schematic
Filters
This option has the advantage that one does not need to change anything in the receiver itself. However, since any filter will give some attenuation of the sign...
8MHz AM radio transmitter circuit – Circuit Schematic
8MHz AM radio transmitter circuit
This is an 8MHz amplitude modulated (AM) radio transmitter, which I built mainly for work, and also as an exercise in electronics (it is the first RF transmitte...
8MHz AM radio transmitter – Circuit Schematic
8MHz AM radio transmitter
This is an 8MHz amplitude modulated (AM) radio transmitter, which I built mainly for work, and also as an exercise in electronics (it is the first RF transmitte...
A Compact Co-Planar Waveguide-Fed Zeroth-Order Resonant Antenna – Circuit Schematic
A Compact Co-Planar Waveguide-Fed Zeroth-Order Resonant Antenna
Zeroth-order resonant (ZOR) antenna manufactured on microstrip transmission lines has attracted great interest in the small antenna applications. Many technique...
Use of FM Oscillator – Circuit Schematic
Use of FM Oscillator
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NE612AN NE612 mixer / oscylator RF – Circuit Schematic
NE612AN NE612 mixer / oscylator RF
Combine an inexpensive transceiver, some free software and you`re on PSK31 at a rock-bottom price! Add to that the fun and pride of building the transceiver and...
FM transmitter 3W – Circuit Schematic
FM transmitter 3W
This package contains the schematic for an FM transmitter with 3 to 3.5 W output power, and can be used between 90 and 110 Mhz. Although the stability Although ...
CAR RADIO WITHOUT ANTENNA – Circuit Schematic
CAR RADIO WITHOUT ANTENNA
In the present era, the various technologies we can see. On average, every three months there is a new technology. So not supprisingly, with so many unique and ...
am/fm radio & Pilot 100 stereo demodulator – Circuit Schematic
am/fm radio & Pilot 100 stereo demodulator
As the number of stations increased and the power levels also increased; receiver performance had to improve. The pentagrid converter, such as the 6BE6 tube (Br...
Build a Portable AM Radio Transmitter – Circuit Schematic
Build a Portable AM Radio Transmitter
After we published the original Li`l 7 AM Transmitter plans, fellow experimenter Scott Todd sent us information about his design for a similar portable, battery...
Guild Country Belle Telephone Radio (1956) – Circuit Schematic
Guild Country Belle Telephone Radio (1956)
I am not a great fan of novelty radios, but this one looks swell on the wall and doesn`t take up any shelf space. The Guild "Country Belle" is one of the most r...
Farnsworth Model GT-051 Bakelite Radio (1948) – Circuit Schematic
Farnsworth Model GT-051 Bakelite Radio (1948)
Black Beauty" is my nickname for this classy Bakelite set. Sporting a dramatic, assymetrical design, with deep wraparound louvers and a bullet-like profile, it`...
Build a Crystal Shortwave Radio – Circuit Schematic
Build a Crystal Shortwave Radio
This project combines two popular themes from radio history ”crystal radios and shortwave (SW) listening. It`s designed from scratch by our non-resident engin...
Modulator Schematic Diagram – Circuit Schematic
Modulator Schematic Diagram
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Antenna Positioning and Drive Circuits – Circuit Schematic
Antenna Positioning and Drive Circuits
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Antenna Circuit Analysis – Circuit Schematic
Antenna Circuit Analysis
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Circuit diagram of a modulator circuit in a transmitter and receiver of a amplitude modulation – Circuit Schematic
Circuit diagram of a modulator circuit in a transmitter and receiver of a amplitude modulation
circuit diagram of a modulator circuit in a transmitter and receiver of a amplitude modulation....
3volt FM TRANSMITTER PROJECT – Circuit Schematic
3volt FM TRANSMITTER PROJECT
This project provides the schematic and the parts list needed to construct a 3V FM Transmitter. This FM transmitter is about the simplest and most basic transmi...
G0MRF 29.45 MHz Receiver Project – Circuit Schematic
G0MRF 29.45 MHz Receiver Project
In 2007/8 AMSAT-UK put considerable work into a proposal to the European Space Agency (ESA) to place an Amateur Radio payload on the mass dummy on the maiden fl...