Eric put out a discussion of "using an extra high impedance input buffer stage taking its signal from the output of the 2N5109" to properly isolate the external IF device. Does anyone have a simple circuit already worked out for this? If so, will they share it? I was contemplating a 2N5179 but would happily use something that is already engineered. I have one of the new SDR-IQ's and it is perfect to put behind the K2, gives 190KHz of bandwidth readout. See RFSPACE.COM Thanks Phil K3TUF
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