[Test-Equipment] Mega-mode Sr.?

[Carl]

A bit older than I thought. I saw one in the early 60's being used to tune a 
1296 mc (no Euro MHz pollution yet) parametric amplifier at W1BU's EME 
station. I believe Sam borrowed it from Microwave Associates where he 
worked.

Carl
KM1H



----- Original Message ----- 
From: "Richard Knoppow" <dickburk at ix.netcom.com>
To: "Discussion of Electronic Test Equipment" 
<test-equipment at mailman.qth.net>
Sent: Friday, November 05, 2010 11:37 AM
Subject: Re: [Test-Equipment] Mega-mode Sr.?


>
> ----- Original Message ----- 
> From: "Carl" <km1h at jeremy.mv.com>
> To: "Discussion of Electronic Test Equipment"
> <test-equipment at mailman.qth.net>
> Sent: Friday, November 05, 2010 7:37 AM
> Subject: Re: [Test-Equipment] Mega-mode Sr.?
>
>
>> Thats your old standard noise figure meter and source used
>> for receiver
>> measurements. Likely using a Sylvania 5722 noise diode.
>> This is 60's
>> technology.
>>
>> They can be exceptionally accurate up to around 6M but the
>> circuit
>> compensation makes them useable for relative measurements
>> only above
>> that.Still very useful if you cant afford a HP 8970.
>>
>> Good for BA receivers and even SS if checking mods
>> performance. Also nice
>> for cutting coax to exact lengths for stubs or phasing
>> lines.
>>
>> Carl
>> KM1H
>>
>     The Kay Mega-Node Sr. shows up in a 1957 vintage Kay
> Electric short form catalogue. Its a noise figure meter for
> 100 to 3000mhz. Direct reading on the panel meter. I believe
> Kay Electric was originaly Kalbfell Labs but could be mixing
> this  up with something else.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
>
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