geppei
Junior Member level 3
for example, i have made 2 monopole, similar shape but different size antennas
their impedance is orginally different, at 2.4GHz
antenna A is born with a 50Ohm input impedance(resonant at 2.4GHz)
antenna B is born with only a 25Ohm input impedance at 2.4Ghz( resonant at other freq, say at 4GHz, Z = 50Ohm)
given a 50Ohm transmittion line at 2.4GHz
antenna A could attain a maxiumum power transfer without any matching circuit
while antenna B is matched with circuit to 50Ohm
So at last, same type monopole , with similar shape, different size, but they are matched to 50Ohm at same frequency 2.4GHz
So do they radiate in same manner at 2.4GHz?
eg. radiation efficiency, pattern, and other antenna behaviour
THx all!
their impedance is orginally different, at 2.4GHz
antenna A is born with a 50Ohm input impedance(resonant at 2.4GHz)
antenna B is born with only a 25Ohm input impedance at 2.4Ghz( resonant at other freq, say at 4GHz, Z = 50Ohm)
given a 50Ohm transmittion line at 2.4GHz
antenna A could attain a maxiumum power transfer without any matching circuit
while antenna B is matched with circuit to 50Ohm
So at last, same type monopole , with similar shape, different size, but they are matched to 50Ohm at same frequency 2.4GHz
So do they radiate in same manner at 2.4GHz?
eg. radiation efficiency, pattern, and other antenna behaviour
THx all!