Filter system with controlled amplitude in stopband or passband

Filter trimming

Filter trimming

Filter tuner system and method

Filter tuning assmebly

Filter tuning device and tuning plate including a number of such

Filter unit

Filter unit adapted for miniaturization and for selecting a part

Filter unit for connectors having filter capacitors formed on op

Filter unit having two attenuation poles

Filter using enhanced quality factor resonator and method

Filter using film bulk acoustic resonator and...

Filter using micro-mechanical resonator

Filter using multilayer ceramic technology and structure...

Filter using piezoelectric material

Filter using piezoelectric resonator

Filter utilizing a coupling bar

Filter with a switch having capacitance

Filter with acoustically coupled resonators

Filter with an adjustable shunt zero