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Tuner (radio) - Wikipedia
https://en.wikipedia.org/wiki/Tuner_(radio)#:~:text=The%20simplest%20tuner%20consists%20of%20an%20inductor%20and,responds%20to%20an%20alternating%20current%20at%20one%20frequency.
Steve's - Classe Audio Tuner 1 solid state amplifier
http://www.audiocircuit.com/Home-Audio/Classe-Audio/Tuner-1
The Classe Audio Tuner 1 is a solid state amplifier. Classé Audio website August 2000): The TUNER-1 has a black, contoured, slimline chassis, with a Soft Shadow Silver or a Rich Black faceplate. The display generally shows the frequency or the Preset number of the station selected. The display temporarily changes to show the function selected when control is …
FM receiver circuit with PCB - Simple ... - ElecCircuit.com
https://www.eleccircuit.com/small-fm-radio-receiver/
The FM tuner circuit is radio receivers, which receive signals from radio stations. For the tuner, which will be presented at this time, as small radio receivers. But is not less than the old tuner to use quite complex. How the FM tuner circuit works This circuit is to create a simple, no hassle, use the equipment less.
Simplest AM Radio Circuit - Homemade Circuit Projects
https://www.homemade-circuits.com/simplest-am-radio-receiver-with-speaker/
The tuned AM signal is fed to the first transistor TR1 via L2. This enables a correct matching of the high impedance input from C2, L1 with the transistor input, without causing any deteorioration of the tuned signal. The signal gets amplified by TR1 and is fed to the detector stage made using the diode DI.
Vacuum Tube Audio - New Project - AM/FM Stereo Tuner
https://www.vacuumtubeaudio.info/project7.htm
The AM/FM stereo tuner keeps the styling of the audio amplifiers already built, including the exposed tubes and acrylic cover. Separate AM and FM tuning controls are provided, which simplified construction and moreover provides for convenient operation. Under the chassis, two circuit boards are used—one for the FM tuner and stereo ...
CRESCENDO TUNER/USBDAC - Audio Analogue
http://www.audioanalogue.com/en/crescendo-tuner/usbdac
The tuner is based on a high performance circuit already used by Audio Analogue on its tuner products. The whole tuner section has been realized in a metallic separated box to shield the RF interference and a special buffer stage has been put between the tuner section and the output stage to further decrease the RF noise.
Radio Circuits | Practical Analog Semiconductor Circuits ...
https://www.allaboutcircuits.com/textbook/semiconductors/chpt-9/radio-circuits/
This circuit has been simplified from Figure 5 in the NXP Datasheet. See Figure 5 or 8 of the datasheet for the omitted signal strength circuit. The simple tuning circuit is from the Figure 5 Test Circuit. Figure 8 has a more elaborate tuner. Datasheet Figure 8 shows a stereo FM radio with an audio amplifier for driving a speaker.
Radio circuits built by Don Cross - Cosine Kitty
http://cosinekitty.com/radio/
The total capacitance of the tank circuit is C = Ct + BCf + Cx where B indicates the state of the band switch: when that switch is closed, the capacitor Cf is included and B =1. When the switch is open, Cf is excluded and B =0. The relationship between frequency, total capacitance, and inductance is LC = 10 12 / (2π f) 2
AM Receiver Circuit - ElectroSchematics.com
https://www.electroschematics.com/am-receiver-circuit/
This circuit can pick up medium wave stations in your area. Description: It can use general purpose transistors, and in this example there are 3 BC109C transistors. The schematic and BOM show a 200µH inductor and a trimmer capacitor 150-500pF, though these parts can be salvaged from an old AM radio, to preserve the directional nature of a tuning coil, and an adjustment …
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