[time-nuts] RF Mixers for oscillator comparison

Arnold Tibus Arnold.Tibus at gmx.de
Mon Apr 20 15:31:39 UTC 2009


On Mon, 20 Apr 2009 09:21:02 +0200, Ulrich Bangert wrote:


>as Bruce did already mention Minicircuits names MUNICOM as one of their
>German distributors. The second source is Industrial Electronics Gmbh where
>I buy Minicircuit parts from, just because they are located in the northern
>part of Germany as me. They can supply a lot of parts right out of their own
>stock and need only few parts to order themselves from the US. They deliver
>also in small quantities like 1-5 but be prepared to pay a higher price per
>part in small quantities.

>Minicircuits have a BROAD range of mixers. Among other they built the RAY-3,
>a 23 dBm high level mixer, that I have seen used in oscillator
>characterization publications. My understanding about the benefits of high
>level mixers for that purpose is that it allows you to work with higher RF
>levels which in turn leads to a higher IF level which in turn may lead to a
>better overall s/n of the system. 

>On the other hand Minicircuits now supplies a class of "high output level"
>mixers that may perhaps serve the same purpose.

>Best regards
>Ulrich Bangert   

I see that Minicircuits is a good second source with a wide range 
of interesting parts. I have to dig now what useful parts I already have for 
this purpose. Sure, more questions will come up, so I will then be back  
and ask again...

As always,
thank you!


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