How to design a stereo FM transmitter?
BA1404 is a low-voltage, low-power design with a maximum power consumption of 500mW.
08
Mar
FM radio broadcast
24
Sep
A mini FM transmitter circuit sharing
This is a mini FM transmitter circuit. I think this is the simplest, easiest and of course…cheap… The supply voltage is between 1.1 – 3 volts and the power consumption is 1.8 mA at 1.5 volts. This circuit should be covered, righ...
21
Sep
3km long range FM transmitter circuit.
Describtion:FM transmitters have been used for communications all over the world. The simplicity of building FM circuits is what makes it so popular among other modulation techniques. Today I came up with FM transmitter circui...
10
Apr
The difference between AM radio and FM radio
AM (Amplitude Modulation) and FM (Frequency Modulation) are two different methods of broadcasting radio signals, and they have several key differences
11
Feb
Difference Between Digital Television Transmitter and Radio Receiver Essay
Television transmitters and radio receivers are both important components of the broadcasting system, serving different but complementary functions in the transmission of television signals.
26
Jan
Smartphone FM Audio Transmitter Design Scheme
The smart phone FM transmitter realizes the communication between the single-chip microcomputer R7F0C807 and the smart phone APP through the 3.5mm standard audio interface, and controls the FM chip to transmit frequency modulation information through the I/O port (analog IIC), and realizes the application of the car FM transmitter function .
22
Jan
How to design a stereo FM transmitter?
BA1404 stereo fm transmitter is a low-voltage, low-power design with a maximum power consumption of 500mW
20
Jan
Build a Simple FM Transmitter Circuit
Building an FM transmitter and broadcasting our own signal on the radio is indeed a fun project. In particular, use this circuit because it doesn’t require you to wind your own inductor or use a trimmer and spend hours tweaking the circuit to make it work.
15
Jan
How to Build a Digital Coilless FM Transmitter
In this article, we will learn how to build a simple, stable and digitally controllable FM transmitter.
13
Jan
Miniature FM FM Transmitter Circuit Diagram
The miniature FM FM transmitter circuit introduced here is a kind of miniature wireless FM microphone.
11
Jan
FM transmitter overvoltage protection circuit diagram
The exciter of the FM302E-I type FM transmitter adopts the HPB-1210 motherboard of Japan NEC Company. Direct frequency modulation of the carrier, using phase-locked frequency stabilization and frequency synthesis technology.
09
Jan
FM transmitter circuit diagram Daquan (FM radio / FM intermediate frequency / megawatt radio transmitter circuit diagram detailed explanation)
FM transmitter circuit diagram Daquan (FM radio / FM intermediate frequency / megawatt radio transmitter circuit diagram detailed explanation)
06
Jan
Build a Simple FM Transmitter Circuit
One cool project I’ve been wanting to build is an FM transmitter with a good range. I’ve always been fascinated by some applications of transmitters
26
Dec
What kind of group are radio amateurs? What is the fun of this hobby for them?
Radio amateurs, or hams, are not so much a special group as they are a collection of several different special groups.
10
Dec
Combined Application of Audio Processor and FM Transmitter
The loudness of an audio program on broadcast is increased by reducing the peak-to-“average” ratio in dynamic audio.
08
Dec
Principle Analysis of Raspberry Pi FM Transmitter Small Radio Station
I introduced a Github project of a very interesting wireless FM radio station, which can turn the Raspberry Pi into a small FM radio station through code without borrowing other external devices.
07
Dec
Popular science of various radio frequency devices
In a wireless communication system, it generally includes four parts: an antenna, a radio frequency front end, a radio frequency transceiver module, and a baseband signal processor. With the advent of the 5G era, the demand and...
30
Oct
FM radio coverage solution for underground parking lot
1. Overview of FM broadcast coverage system in underground parking lot
With the rapid advancement of my country's urbanization level and the rapid development of real estate, urban parking lots are called rigid supporting buildings for each buildi...
28
Oct
How is FM radio broadcast?
FM radio is a device that transmits radio by means of wireless transmission. It has the characteristics of no need for pole wiring, wide coverage, unlimited expansion, convenient installation and maintenance, low investment, and beautiful and clear s...
27
Oct
FM Transmitter Transistor QN8027 Design and Make Test Circuits
Schematic and PCB package
First, according to the data sheet of QN8027, find the main parameters of the chip and the schematic diagram of the reference design. Lay the founda...
25
Jul
Primary and secondary frequency modulation principle and function
When the power grids are running in parallel with the power grid, when the external load changes cause the power grid frequency to change, the regulating system of each operating unit in the grid will change the power of the units according to their ...
25
Jul
Why are EV makers ditching AM radios?
While electric vehicles can help curb our dependence on fossil fuels, they also pose a serious threat to the radio industry, especially medium wave radios. Some EV makers are ditching AM because of sound quality concerns, but that's only part of the ...
25
Jul
Will FM radio be a thing of the past? The world’s first shutdown…
FM is a part of growing up with most people these days, and even when digital signals and networks are very common, many people still like to listen to FM or play traffic broadcasts in their cars. But with the development of the mobile network, every...
25
Jul
The Charm of FM Radio Broadcasting (Part 2)
Click Here For: The Charm of FM Radio Broadcasting (Part 1)
7. The IF amplifier is the source of distortion
The intermediate amplifier is the core of the FM receiver. The indicators such as sensitivity, signal-to-noise ratio, capture ratio, distort...
