A bandpass filter is an electronic device or circuit that allows signals between two specific frequencies to pass, but that discriminates against signals at other frequencies.In signal processing, a band-reject filter (also called a band-stop or notch filter) is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. The main difference between...

What is dummy load? A dummy load is a device used to simulate an electrical load, usually for testing purposes. In radio a dummy antenna is connected to the output of a radio transmitter and electrically simulates an antenna, to allow the transmitter to be adjusted and tested without radiating radio waves. What does a dummy load consist of? So a dummy load usually consists of a composite resistor,...

National Day and Mid-Autumn Festival Holiday Notice According to the provisions of the national statutory holidays, and in conjunction with the actual situation of the company, we hereby notify the following holiday arrangements for the National Day and Mid-Autumn Festival in 2023: from 29 September (Friday) to 3 October (Tuesday), a total of five days of holiday. National Day National Day of the ...