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Please Help Me to Find My Need Mixer IC Type - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement

Post subject: Please help me to find my need mixer IC type Posted: Thu Mar 09, 2006 11:59 pm


Joined: Thu Mar 09, 2006 11:48 pm
Posts: 2
Location: china, anhui provindce
Who can recommend a SMT package mixer IC which main can convert RF 5.8GHz to IF 3.5GHz. Thank you very much!


Post subject: Posted: Fri Mar 10, 2006 9:40 am

Site Admin

Joined: Mon Jun 27, 2005 2:02 pm
Posts: 373
Location: Germany
Hello songbo,

Here is an example for an IC mixer from Hittite Microwave:

http://www.hittite.com/product_info/pro ... 220ms8.pdf

Hittite Microwave has more examples of Mixers, take a look at their website: www.hittite.com

Good Luck!

Best regards,

- IR


Post subject: Please help me to find my need mixer IC typePosted: Sat Mar 11, 2006 7:56 pm


Joined: Thu Mar 09, 2006 11:48 pm
Posts: 2
Location: china, anhui provindce
Thank you very much for your enthusiastic reply. But Hittite HMC220MS8 is not satietied with our design. Because we convert RF 5.8GHz to IF 3.5GHz. So LO frequency shall be 2.3GHz. But Hittite HMC220MS8 LO&RF are 5GHz above. Hope you can help we to find other mixer IC or advise. Thank you very much again!


Post subject: RYNOPosted: Sat Mar 11, 2006 10:50 pm


Joined: Thu Sep 25, 2003 1:19 am
Posts: 50
Location: texarcana
If I were you, which I am, I would make a simple single ended mixer. Just create the bandpass filters and diplexers and tht's it.

You will be completly satietied.

Unless size and performance is an issue.

Keep in mind you can apply the LO to the IF port for most double balanced mixers. In fact, you can interchange any port as long it's within the specified frequency response. There will also be trade-offs in performance...loss, isolation, linearity etc.

If you'd like I can design a mixer for you. I'm quite the mixer guy, I even have a few mixer patents. the women are very impressed.

Posted  11/12/2012

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