Band-pass filter comprising series coupled split gap resonators

Band-pass filter element and high frequency module

Band-pass filter for hyperfrequencies

Band-pass filter having multilayered coil structures

Band-pass filter including resonance elements coupled by a coupl

Band-pass filter using microstrip lines

Band-stop filter

Band-stop filter for VHF-UHF band

Bandpass filer having parallel-coupled lines

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter

Bandpass filter and apparatus using same

Bandpass filter and method of trimming response characteristics

Bandpass filter and wireless communications equipment using...