bandpass

1. alternativenot comparableAlternative spelling of band-pass.

   200 Hz is in the passband of a 100-300 Hz bandpass filter, while 50 Hz is in the stopband.

   2013 March 20, endolith, “sampling - BandPass Signal Vs PassBand Signal”, in Signal Processing Stack Exchange

   1 more example

   From the “highpass-lowpass” filter, “bandpass-bandreject” filter, or the flat amplifier, the signal, after suitable amplification with adjustable gain, may be fed to a meter which gives the root mean square value of the voltage, …

   1950, Machinery and Production Engineering, volume 77, number 2, Machinery Publishing Company, page 636

plural bandpasses

1. A filter that lets through only a specific range of electromagnetic frequencies.

   The engineer designed an active bandpass to pick out the intermediate frequency from the noise.

   2 more examples

   Our circuit requires a stable bandpass to isolate the audio frequencies from high-frequency interference.

   In other words, the filter is a Bandpass, what signal passes through is a Passband.

   2013 March 20, endolith, “sampling - BandPass Signal Vs PassBand Signal”, in Signal Processing Stack Exchange