impedance matching

The standing wave ratio on a 50 Ω lossless transmission line terminated in an unknown load impedance is found to be 2.0. The distance between successive voltage minima is 30 cm and...

For maximum power transfer between two cascaded sections of an electrical network, the relationship between the output impedance Z 1 of the first section to the input impedance Z 2...

A BJT in common-base configuration is used to amplify a signal received by a $$50\,\Omega $$ antena. Assume kT/q = 25 mV. The value of the collector bias current ( in mA ) required...

A transmission line with a characteristic impedance of 100 $$\Omega $$ is used to match a 50 $$\Omega $$ section to a 200 $$\Omega $$ section. If the matching is to be done both at...

An independent voltage source in series with an impedance Z s =R s +jX s delivers a maximum average power to a load impedance Z L when

A source of angular frequency 1rad/sec has source impedance consisting of $$1\Omega$$ resistance in series with 1H inductance. The load that will obtain maximum power transfer is

A generator of internal impedance, Z G , delivers maximum power to a load impedance, Z L , only if Z L = ................

A load impedance (200 + j0) $$\Omega $$ is to be matched to a 50$$\Omega $$ lossless transmission line by using a quarter wave line transformer (QWT). The characteristic impedance...

A load, Z L = R L + jX L is to be matched, using an ideal transformer, to a generator of internal impedance, Z S = R S + jX S . The turns ratio of the transformer required is

If an impedance Z L is connected across a voltage source V with source impedance Z S , then for maximum power transfer, the load impedance must be equal to

A two - wire transmission line of characteristic impedance $$Z_0$$ is connected to a load of impedance $${Z_L}({Z_L}\, \ne \,\,{Z_0})$$. Impedance matching cannot be achieved with