What is dvb-h
DVB-H is a transmission standard for providing multimedia services to handheld terminals through terrestrial digital broadcasting networks The DVB-H system relies on the DVB-T transmission system, and by adding certain additional functions and impro
Posted at 21-07-23 by SKYSKY views(663)
What is dvb-t
DVB T:Digital Video Broadcasting Terrestrial DVB-T is a standard for MPEG-2 digital TV transmission using an open-circuit terrestrial transmission medium. Due to the special environment of terrestrial TV transmission, after years of research and dem
Posted at 21-07-23 by SKYSKY views(812)
DVB-T Receiver Reference Design
Abstract: The MAX3580 DVB-T reference design meets NorDig 1.0.3 and MBRAI requirements. This NIM design includes the MAX3580 direct-conversion tuner and a DVB-T demodulator/decoder. A discrete, active loop-through with low power consumption and low c
Posted at 21-07-23 by SKYSKY views(802)
HFSS basics
1. HFSS solution method 1) Drive mode: The S parameter is obtained from the reflected wave power of the incident wave, which is commonly used in the model of microstrip, waveguide and other transmission lines; 2) Terminal drive mode: Calculate S par
Posted at 21-05-21 by SKYSKY views(818)
Design of 15W FM transmitter power amplifier circuit
The power amplifier can extend the power of the 1-2W, 88-108MHZ FM transmitter to 10-15W. It is composed of a single-tube Class C amplifier and a multi-stage low-pass filter. It has a high conversion efficiency and a strong reputation. Wave suppressi
Posted at 21-03-16 by SKYSKY views(508)
How to make the FMUSER CP100 Circular polarized FM Antenna works great ?
Good afternoon, I finally got the CP 100 installed, used matching stub and everything worked greatVSWR 1.2 to 1.1.not badSounds wonderfulIf anyone else has a problem with VSWRremind them to be sure antenna is at least a half wave from ground and if n
Posted at 19-12-27 by SKYSKY views(830)
What are the advantages of RF direct conversion transmitters?
After several years of development, radio transmitters have gradually transitioned from simple IF transmission architecture to quadrature IF transmitters and zero IF transmitters. However, these architectures still have limitations. The latest RF dir
Posted at 20-10-21 by SKYSKY views(851)
Frequency Modulation (FM) Transmitter Circuit Diagram Complete (A master can only understand it)
FM transmitter circuit diagram (1) The working principle and circuit diagram of the FM transmitter meet the requirements of the transmission distance, and it can also use the microphone and the line to input the sound signal at the same time for back
Posted at 20-10-21 by SKYSKY views(1453)
FM Transmitter Simple circuit
FM Transmitter A portable FM transmitter that can be used to replace a FM microphone Notes: This simple transmitter operates from a 9V battery as shown above. I personally built this for a purpose. This is how it happened:- members of my singing gro
Posted at 20-10-28 by SKYSKY views(986)
How to make a simple 500m FM wireless transmitter?
How to make a simple 500m FM wireless transmitter? This transmitter uses two-stage amplification, so the sensitivity is very high, and the surrounding sound can be collected clearly, so it can be used as a bug. The circuit is designed with audio inp
Posted at 20-10-28 by SKYSKY views(1044)
