[Milsurplus] Bomac JAN-CBNQ 6322

[Brad Whiting KD7GDT]

After reading John's reply as to purpose and function, I was 
still curious about the screw adjustment.

Checked in Ludwell Sibley's Tube Lore and found:

6322   [AKA BL-25]; TR tube, 1285 MHz tunable, 450 kW (BL) 
(6-17-57).



Brad  KD7GDT



On 7/10/2013 12:45 PM, J. Forster wrote:
> Almost certainly, a T/R switch used to protect the mixer diodes in a RADAR
> from the 'big bang' transmit pulse. They are generally gas filled and may
> contain a small radioactive source to stabilize the firing point and/or a
> keep-alive electrode.
>
> Best,
>
> -John
>
> ===============
>
>
>> I have found a Bomac JAN-CBNQ 6322 in my junk box.  This is a small tube
>> like component that resembles a vacuum cap but believe it is used in radar
>> sets to isolate the receiver from damage.  Thee is a screw adjustment on
>> one end that appears to change the gap between the two internal
>> electrodes.
>>
>> Any information appreciated and where this is used.
>>
>> Thanks
>> Dave  K5MWR
>>
>> Sent from my iPad
>> ilsurplus at mailman.qth.net
>>
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