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Re: HP 11664A Detector - DIY equivalent?

 

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I have done as Jeff described a number of times to get someone a working scaler analyser I use the 11664 C detector adapter for frequencies above 18 Ghz?

so if you are making an adapter without using an old 11664 then the circuit used in the D version is actually better and easier to configure to different detectors ?

Also I have seen possibly on this site a modern board lay out using modern components

Paul B

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From: [email protected] [mailto:[email protected]] On Behalf Of Jeff Kruth via groups.io
Sent: 04 February 2022 09:15
To: tonycox01@...; [email protected]
Subject: Re: [HP-Agilent-Keysight-equipment] HP 11664A Detector - DIY equivalent?

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Yes, I have. Polarity of detector doesnt matter, as the signal is chopped at 27.8 KHz.

Best bet is get a blown detector then remove the detector bulkhead and fashion a small aluminum sheet metal plate to hold a BNC, replacing the bulkhead with this. It is the same as an HP11664C detector adapter. Easy-peasy. Works great.

Jeff Kruth

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In a message dated 2/4/2022 3:52:30 AM Eastern Standard Time, tonycox01@... writes:

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Hi,

I've been looking for a couple of HP 11664 detectors for a network analyser but was put off by the sky high price - even for second hand items of dubious condition.

I've seen a web page showing a DIY equivalent using a?33330B?(positive)?detector and an amplifier replicated from the HP service manual.I was wondering if this is a sensible/realistic thing to attempt? Has anybody ever tried this?

thanks

Tony

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