Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Hi guys,
What does mean 1kW power supply ? If it output impedance is 50\[\Omega\] and i connect a 50\[\Omega\] charge still i get 1kW or only a half ?
I have an AM emitter connected to an antenna, at constant power of 1kWIt doesn't go like that.
So, the maximum power (1kW) is delivered to both, output impedance and the load, so each of them consumpt only a half, and only 500W are delivered to the load (10A*50 ohms=500W). Is it always the case or manufacturers of power supplies double the power at the generator to give 1KW at the load ?P=VI=>I=P/V=>10000/100=100A.
Thanks Frank! That what i looked forFor transmitters the output power will be the rated power, i.e. a 1KW transmitter will deliver 1 KW to its rated load (normally 50 ohms). The actual power consumption of the transmitter will be greater, could be +5% for a class D MW transmitter to + 1200% for a valve TV transmitter.
Frank