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Receiver

Tuned Radio Frequency (TRF) Receiver Circuits

Last Updated on August 19, 2022 by Swagatam 13 Comments

hiw to wind Li and L2 compressed

A tuned radio frequency receiver (or TRF receiver) is a form of radio receiver which is made using a number of tuned radio frequency (RF) amplifier stages accompanied by a detector (demodulator) circuit to draw out the audio signal, along with an audio frequency amplifier for amplifying the extracted audio into a loudspeaker. This kind […]

Filed Under: Audio and Amplifier Projects Tagged With: Circuits, Frequency, Radio, Receiver, TRF, Tuned

Transmitter Receiver Circuit for 80-meter Ham Radio

Last Updated on February 16, 2021 by Swagatam 12 Comments

80 meter transmitter compressed

This tiny and simple transmitter, receiver set will allow you to communicate over 100 of miles across the world, by tuning to 80-meter amateur ham radio stations. What is 80-meter Band The 80-meter uses 3.5 MHz frequency band for radio communications, which gets the permissions under amateur radio use Between 3.5 to 4.0 MHz in […]

Filed Under: Transmitter Circuits Tagged With: Meter, Radio, Receiver, Transmitter

Fiber Optic Circuit – Transmitter and Receiver

Last Updated on January 3, 2024 by Swagatam 13 Comments

optical fiber

Electronic signals have been quite successfully sent for decades through standard “hard -wire” connections, or by using radio links of different kinds which had many disadvantages. On the other hand fiber optic links, whether used for audio or video links over long ranges, or to handle small distances, have been offering some distinct advantages compared […]

Filed Under: Transmitter Circuits Tagged With: Fiber, Optic, Receiver, Transmitter

Single Transistor Radio Receiver Circuit

Last Updated on October 7, 2020 by Swagatam 55 Comments

one transistor radio circuit

This is probably the simplest radio receiver circuit that one could ever imagine of making. The circuit is so simple that it could be finished assembling within a few minutes and you are already listening your favorite programs over it. Introduction What are the fundamental criteria associated with radio reception? An antenna stage, a band […]

Filed Under: Audio and Amplifier Projects Tagged With: Radio, Receiver, Single, Transistor

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