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Old 21st Mar 2023, 11:30 am   #15
Bazz4CQJ
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Join Date: Apr 2009
Location: Oxfordshire, UK.
Posts: 4,924
Default Re: Boonton RF Probes; Diode Replacement

OK re matching. And judging by the comments made in the link in Post#1, the diodes aren't just matched with each other, but also with the main instrument.

What about the use of the heater? Is that simple there to minimise the negate the warming effect of the hand on the probe, or is there any additional benefit in having the diodes operate at a slightly elevated temperature?

B
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