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This information is by far not sufficient.
Question: Center frequency to be tuned from 50k to 2 MHz (or bandwidth from 50k....2MHz)?
Any gain/damping requirements in the passband?
No selectivity requirements?
Jerry - sorry, but do you know what you are talking about?
A filter that is characterized by its lower cut-off is a high pas filter.
However, in your first posting you spoke about a bandpass.
A bandpass is described by (1) its center frequency (2) its bandwidth (lower und upper cut-off) and (3) by some attenuation requirements inside and outside the bandwidth. This results in a minimum order the transfer function must have.
More than that, if tuning is required, the tuning range is to be given and - a very critical requirement - if the bandwidth or the q-factor must be kept constant.
More than that, tuning requirements must be described in detail: passive R- or C- tuning ? Or electronic tuning (with control voltage) ?
Nobody can give you some hints if you don't deliver sufficient information. Sorry.