FM Transmitter

When designing a wireless transmitter, the measurement and control of RF power is a key consideration. High-power RF amplifiers (PA) rarely work in open loop mode, that is, the power sent to the antenna port is not monitored in some way. However, reg

Posted at 20-09-25 by SKYSKY views(551)

Frequency Modulation (FM) radio has been used for high-fidelity music and voice broadcasting for many years. It can provide excellent sound quality, signal robustness and noise immunity. Recently, FM radio has been increasingly used in mobile and per

Posted at 20-09-29 by SKYSKY views(793)

Low-pass filtering means that low-frequency signals can pass through, but high-frequency signals will be filtered out. It is mainly used to remove signal burrs and interference. It is widely used in engineering. The basic theoretical formula of low-p

Posted at 20-09-24 by SKYSKY views(1745)

Two FM modulation circuit diagrams to share FM, namely: frequency modulation, frequency modulation, refers to the modulation method in which the frequency of the high-frequency carrier changes with the modulating signal. The amplitude of FM remains

Posted at 20-10-12 by SKYSKY views(1345)

AV RF transmitter circuit diagram AV RF transmitter The transmitter transmits signals at channel 11 frequency. When using it, first connect the audio and video output ports of VCD, DVD, VCR and other equipment to the corresponding input port of the

Posted at 20-10-13 by SKYSKY views(485)

FM transmitter production This article will elaborate on the cell frequency modulation (stereo) transmitter device made by the miniature high-efficiency wireless sound transmission module MEC002A produced by Minshi Technology. The MEC002A miniature h

Posted at 20-10-13 by SKYSKY views(299)

FM stereo transmitter The cell area we are referring to here refers to a radius of 1-3 kilometers. Such an FM transceiver system is more suitable for campus or unit broadcasting. This article will elaborate on the cell frequency modulation (stereo) t

Posted at 20-10-13 by SKYSKY views(698)

The simplest wireless transmitter circuit diagram (1): Ultrasonic transmitter circuit composed of 555 The 40kHz oscillating pulse output from pin 3 of the 555 drives T-40-16 to work, making it emit a 40kHz ultrasonic signal. The working voltage of th

Posted at 20-10-16 by SKYSKY views(2588)

Realization of wireless system using RF power amplifier driver At present, 8Vpp and pulse width modulation RF high-voltage/high-power drivers can be realized on the basis of 1.2V 65nm CMOS technology. Within the operating frequency range of 0.9 to 3

Posted at 20-10-16 by SKYSKY views(394)

FM FM transmitter, the transmitting frequency is in the analog broadcast band 88~108Mhz, using ordinary FM radio to receive, 2 kinds of audio input, MIC head to send peripheral sound, CK audio input, adjustable adjustable transmitting coil L can be c

Posted at 20-10-16 by SKYSKY views(488)