On 2/7/23 3:40 AM, PDXer wrote:
Set it to LOGMAG.
Freq. range was 1 - 100 Mhz.
That's more like it, although it sure doesn't look like a *30 MHz* LPF. More like 10 MHz. You might zoom in on 1-21 MHz.
OTOH those ceramic filters are not necessarily 50 ohms in and out,
Try the BPF.