Test and Measurement Channel

Miniature Bandpass Filters


These miniature surface mount bandpass filters can be specified for passbands from 8 to 20 GHz with bandwidths from 5 to 10% of the center frequency. The insertion loss of these custom filters is dependent on frequency and bandwidth, but ranges from as low as 1 dB at lower frequencies and narrower passbands to as high as 3.5 dB at the highest frequencies and widest passbands with a VSWR of better than 2:1 and power handling of 1W. The ripple performance of these filters is outstanding, at ±0.5 dB. The center-frequency drift is also impressive, at only ±0.6% across an operating frequency range of -35 to +85°C.

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