A tuner system for radio frequency reception comprising: a low noise amplifier for receiving an RF signal, the low noise amplifier being configured to output an amplified RF signal, the amplified RF signal including a plurality of bands; a band selection filter having a plurality of inductors and configured to select one of the plurality of bands; a complex RF filter comprising R-C filters (752, 754) that are cross coupled through resistive elements (Rc), the complex RF filter configured to generate a complex RF signal from the selected one of the plurality of bands and remove negative frequencies of the selected one of the plurality of bands; a double-quadrature down-converter configured to mix the complex RF signal with a first local oscillation frequency and a second local oscillation frequency and outputting a baseband in-phase signal and a baseband quadrature signal, the double-quadrature down-converter comprising four high-frequency multipliers, each of the four multipliers including a first input coupled to the in-phase component or the quadrature component and a second input coupled to either the first local frequency or the second local frequency so that four multiplication products are obtained; a first complex baseband filter to receive the baseband in-phase signal and the baseband quadrature signal, the first complex baseband filter configured to generate a complex filtered baseband in-phase signal and a complex filtered quadrature signal by removing an image band in the negative frequencies of the selected one of the plurality of band; a baseband filter having two substantially equal lowpass frequency responses, the baseband filter configured to remove adjacent channels in the complex filtered baseband in-phase signal and complex filtered quadrature signal; an up-converter configured to receive the complex filtered baseband in-phase and quadrature signals (811, 831) from the baseband filter 820 and frequency up-converting the filtered baseband in-phase signal and quadrature signals (811, 831) to an intermediate frequency by mixing the filtered baseband in-phase signal and quadrature signals (811, 831) with an IF-I frequency and an IF-Q frequency to an IF-I signal and an IF-Q signal; and a second complex bandpass filter coupled to the up-converter for receiving the frequency upconverted in-phase and quadrature signals and being configured to output an IF signal, wherein the second complex bandpass filter comprises a first RC active lowpass filter and a second RC lowpass filter, wherein the first and second RC lowpass filters are cross-coupled using resistive elements and electronic switches; wherein the first and second local oscillation frequencies are shifted by 90 degrees; wherein the IF-I and IF-Q signals have an IF center frequency and an IF bandwidth. a low noise amplifier for receiving an RF signal, the low noise amplifier being configured to output an amplified RF signal, the amplified RF signal including a plurality of bands; a band selection filter having a plurality of inductors and configured to select one of the plurality of bands; a complex RF filter comprising R-C filters (752, 754) that are cross coupled through resistive elements (Rc), the complex RF filter configured to generate a complex RF signal from the selected one of the plurality of bands and remove negative frequencies of the selected one of the plurality of bands; a double-quadrature down-converter configured to mix the complex RF signal with a first local oscillation frequency and a second local oscillation frequency and outputting a baseband in-phase signal and a baseband quadrature signal, the double-quadrature down-converter comprising four high-frequency multipliers, each of the four multipliers including a first input coupled to the in-phase component or the quadrature component and a second input coupled to either the first local frequency or the second local frequency so that four multiplication products are obtained; a first complex baseband filter to receive the baseband in-phase signal and the baseband quadrature signal, the first complex baseband filter configured to generate a complex filtered baseband in-phase signal and a complex filtered quadrature signal by removing an image band in the negative frequencies of the selected one of the plurality of band; a baseband filter having two substantially equal lowpass frequency responses, the baseband filter configured to remove adjacent channels in the complex filtered baseband in-phase signal and complex filtered quadrature signal; an up-converter configured to receive the complex filtered baseband in-phase and quadrature signals (811, 831) from the baseband filter 820 and frequency up-converting the filtered baseband in-phase signal and quadrature signals (811, 831) to an intermediate frequency by mixing the filtered baseband in-phase signal and quadrature signals (811, 831) with an IF-I frequency and an IF-Q frequency to an IF-I signal and an IF-Q signal; and a second complex bandpass filter coupled to the up-converter for receiving the frequency upconverted in-phase and quadrature signals and being configured to output an IF signal, wherein the second complex bandpass filter comprises a first RC active lowpass filter and a second RC lowpass filter, wherein the first and second RC lowpass filters are cross-coupled using resistive elements and electronic switches;