Electric tuning FM radio circuit
#FM radio
#tuning circuit
#radio frequency
#receiver
#electronic tuning
#broadcast
#antenna
#signal processing
#communication
#wireless
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Shorty Forty Antenna
City dwellers and other flat dwellers know the practical difficulties they encounter when they try to put up an antenna for 40 meters. Finding space enough to accommodate 67 feet of wire is a real problem for them and most...
915-MHz antenna monopole
The Tab antenna is a folded monopole that you miniaturize by forming it into an inverted L with a downward bend at the end. You can solder it perpendicular to a pc board or build it as part of a...
SEISMIC RADIO 500mHz - 200Hz frequency range
The most popular network is MED-NET, which encompasses the entire Mediterranean Sea with its observation points. The accompanying map illustrates these observation points. For more information about this network, which is part of the Italian Geophysical National Institute, the official...
SA1140 FM RADIO IC FOR DIGITAL TUNING SYSTEM
The SA1691 is a monolithic integrated circuit designed for radio cassette tape recorders, clock radios, and headphone radios. This IC includes all functions from the antenna to the audio power amplifier of AM/FM radio, produced by Silan.
The SA1691 integrated circuit...
6-17 MHz SW reciever
Its very simple as It uses only 3 transistors 2n2222. The Coils can be altered to change the range of reception by lowering or highering the frequency. More: This circuit is a SW band receiver of range 6 to 17...
A circuit diagram of a wireless hands-free telephone device
A wireless hands-free telephone device circuit diagram is presented below.
The wireless hands-free telephone device circuit diagram typically comprises several key components that work together to enable hands-free communication. The primary components include a microphone, speaker, Bluetooth module, power supply, and...
Single Chip FM Radio Circuit With TDA7000 IC
The following circuit illustrates a Single Chip FM Radio Circuit. This circuit is based on the IC TDA 7000 or TDA 7400. Features include a low-cost FM radio circuit.
The Single Chip FM Radio Circuit utilizing the TDA 7000 or TDA...
Wireless two-tone electronic doorbell circuit diagram
The transmitter circuit is activated by pressing the SB button. Components D1, D2, R2, R3, and C4 form a low-frequency oscillator that controls an audio oscillator made up of D3, D4, D5, and D6, allowing them to operate alternately. The...
A Regenerative Receiver with AGC for 80 and 40 Meters
Here is a dual-band regenerative receiver that originated from encouraging communications with Jerry (K9UT) and another individual named Harvey, who constructed the original AGC-80 and its experimental successor, the AGC-80/30. Jerry has expressed his satisfaction with both receivers, noting their...