[TechAssist] Re: Any info on this old tube/ additional info
- From: Paul Medvetz <paulcho@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 2 May 2004 08:53:02 -0400
Its for tv and audio servicing it generates audio, vhf, uhf and=
i-f
signals and also a picture by placing a transparent plastic=
picture
or test pattern in front of the crt.
Tv-Service-Company
RR 3 Box 3550
Hazleton,Pa.18202
On Sat, 01 May 2004 03:11:41 +0000, greentron@xxxxxxx wrote:
>What sort of analyzer test was that used for? I used to use
>photomultiplier tubes in nuclear radiation monitors. The=
radiation
>would cause flashes of light when captured in a transparent=
crystal
>material. The photons would cause electrons to be emitted from=
the
>cathode in the tube. The electrons would be accellerated to an
>anode. When they struck the anode a shower of electrons would=
be
>emitted. These would be accellerated to the next anode which was=
at
>a higher voltage,
>and etc.. It took 800 to 1200 volts to make the tube work. The
>various anodes and the cathode were connected to taps on a=
voltage
>divider. The gain of the tube was adjusted by adjusting the=
high
>voltage. The current from the last anode would go to a
>milliampmeter or to a pulse amplitude analyzer. They are still=
used
>for this purpose as they are more sensitive than solid state
>devices. The Harshaw Chemical Co. of Cleveland Ohio used to=
make
>them and kept large numbers of them on burn-in. The ones that
>exhibited good stability at high gain over a long period of=
time
>brought very high prices.
>J Silverman
>
>
>>They call it a photo-multiplier tube it picks up a flying dot=
of=3D
>>
>>light from the crt which produces an output signal that is
>>proportional to the amount of light which strikes it.That=
number=3D
>>that
>>I posted yesterday isn't the actual number its B&K's part=3D
>>number,I
>>have the diagram of the tube if you need it.It also has no=3D
>>heater.
>>
>>Tv-Service-Company
>>RR 3 Box 3550
>>Hazleton,Pa.18202
>>
>>
>>On Fri, 30 Apr 2004 12:23:56 -0400, J Silverman wrote:
>>>Photo tube? Do mean a "magic eye" tube that was used for beat
>>>frequency and
>>>null detection?
>>>Jerry Silverman
>>>Greentron Inc
>>>4 Newland Ave
>>>Greenville SC 29609
>>>864 232 3889
>>>Fax 271 2080
>>>mailto:greentron@xxxxxxx
>>>----- Original Message -----
>>>From: "Paul Medvetz" <paulcho@xxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Friday, April 30, 2004 6:47 AM
>>>Subject: [TechAssist] Re: Any info on this old tube/=
additional=3D
>>info
>>>
>>>
>>>>I have a old B&K model 1077 analyst that uses the tube that=3D
>>you=3D3D
>>>>are
>>>>describing it is the photo tube part # 231- 001-9-001 And=
it=3D3D
>>>>does
>>>>have 11 pins.
>>>>
>>>>Tv-Service-Company
>>>>RR 3 Box 3550
>>>>Hazleton,Pa.18202
>>>>
>>>>
>>>>On Thu, 29 Apr 2004 18:42:46 -0500, VM wrote:
>>>>>I can't find any tubes with 11 pins in my antique tube=3D
>>manual,=3D3D
>>>>only
>>>>>7, 8,
>>>>>9,10 & 12 pins. (Some have a Plate Cap on top, of course)=3D
>>Could=3D3D
>>>>you
>>>>>have
>>>>>miscounted the pins?
>>>>>
>>>>>Vernon Mosley <vlm@xxxxxxxxxxxxxxxxxx
>>>>>Mosley TV Service
>>>>>Success, MO 65570
>>>>>----- Original Message -----
>>>>>From: <Royal19960@xxxxxxx>
>>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>>Sent: Wednesday, April 28, 2004 1:41 PM
>>>>>Subject: [TechAssist] Any info on this old tube/=
additional=3D3D
>>>>info
>>>>>
>>>>>
>>>>>>Hi all, Thanks for all the responces and here is all the=
info=3D
>>I=3D3D
>>>>can
>>>>>supply.
>>>>>>Tube number is in a Sylvania box with a number os=
13-27681-4
>>>>>>Size is like a 6sn7
>>>>>>Bakelite base with a key
>>>>>>Has 11 pins
>>>>>>made in 1968
>>>>>>The words "red"" blue" are stamped on the base
>>>>>>There is a visable grid on one side of the tube.
>>>>>>Thats all I can offer in info. Thanks in advance
>>>>>>Roy
>>>>>>Roy Adams
>>>>>>Bonded TV Service
>>>>>>5158 W Forest Home Ave
>>>>>>Milwaukee, WI 53219
>>>>>>414-541-9111
>>>>>>www.Bondedtv.com
>>>>>>we have thousands of tubes on the site
>>>>>>Webhosting from only 4.95 a month at Bondedhost.com
>>>>>>
>>>>>>
>>>>>>
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>>--=3D3D
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>>>>>
>>>>>
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>>>>
>>>>
>>>>
>>>>
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>>
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