Re: Help finding equivalent diodes needed
- From: "Michael A. Terrell" <mike.terrell@xxxxxxxxxxxxx>
- Date: Thu, 01 Sep 2005 14:13:56 GMT
John A wrote:
>
> I've an HP 8558B Spectrum Analyser with dud diodes in its first mixer (one
> shows 0.33v forward, high resistance reverse, the other 11 ohms either way
> around)
>
> The official part 08558-20095 and its replacement 08558-60152 have long
> become obsolete. Can anyone suggest a substitute? The application is in a
> low power balanced mixer mixing input signals in the range 0 to 1500MHz with
> a Local Oscillator tuning from 2050MHz to 3550MHz to produce a signal
> passing through a 5000MHz low-pass filter to a 2050MHz bandpass filter. The
> present diodes are small glass wire-ended diodes about 4mm long and about
> 1mm diameter.
>
> Many thanks in advance.
>
> John
Can you replace the mixer with something from Mini-circuits?
http://www.minicircuits.com/
--
Link to my "Computers for disabled Veterans" project website deleted
after threats were telephoned to my church.
Michael A. Terrell
Central Florida
.
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