Thanks.
I had some free time today and experimented with a discretely designed gain block in place of the MMIC. I think I'm hitting the limits of the E5052A now but I managed -170dBc/Hz at 10kHz offset and about -178dBc/Hz for the far out noise floor. I couldn't improve on about -160dBc/Hz at 1 kHz offset. This is a slight improvement but I think the E5052A is becoming the weak link. I've seen the PN2060C phase noise analyser by BG6KHC on qsl and this looks to be an interesting piece of equipment for $849.?
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I've linked to it below.
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Welcome to BG6KHC’s website
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Has anyone got any experience of this device?
