K&L Microwave provides bandpass filters in multiple topologies built to customers' electrical, mechanical, and environmental specifications. The list below contains part numbers meeting existing industry and customer specifications, as well as product families. Use the quote cart to request a quote on a specific design. When considering a particular family of parts, use Filter Wizard (a link button will be provided when appropriate) to determine a specific part number within the given family.
Bandpass Introduced on Filter Wizard in May 2015 Frequency 300 to 2500 MHz, 5 to 20% Bandwidth Lowpass Also Available, Highpass and Bandstop Soon Contact factory for custom requirements. "Data Sheet" has bandpass series (or see lowpass example).
Typically in up-conversion applications, matching is accomplished by placing an attenuator pad between the mixer and filter, followed later by re-amplification of the RF signal. K&L’s BTBPF eliminates the need to attenuate then re-amplify.
KeL-fil ceramic bandpass filters are 2 to 6 section designs ranging in frequency from 270 MHz to 3000 MHz providing users with low-cost filter solutions ideally suited for wireless applications. These designs are featured in Filter Wizard.
Leadless, High Q, Low Loss, Excellent Ult. Rej. Mounts on RO4003 (.012”) with 50-ohm line (.026” ) Other Types of Printed Wiring Board Available on Request Up to 18 GHz, Relative Bandwidths up to 8% Option to Hermetically Seal