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Synchronized time base and the Phantastitron, was: Compactron tubes in HP or Tek instruments?
Hi Jochen, Any chance of you taking a photo of the printout and letting us see the circuit please. Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Hi Jochen, Any chance of you taking a photo of the printout and letting us see the circuit please. Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #104963
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Fast Pulse Generators section vandalized
Probably some Yahoo! Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Probably some Yahoo! Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #104122
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OT: X-band doppler water leak detection
How about listening to the ceiling with a stethoscope. Since the object is to locate the leak you might hear the water dripping. Don Black. This email is free from viruses and malware because avast! A
How about listening to the ceiling with a stethoscope. Since the object is to locate the leak you might hear the water dripping. Don Black. This email is free from viruses and malware because avast! A
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· #104061
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OT: newly introduced ant species crawls into electronics to die
Sounds like they're bad for YOUR electronics..Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Sounds like they're bad for YOUR electronics..Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #103918
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OT: newly introduced ant species crawls into electronics to die
I believe Arachnids are spiders, not ants (insects). Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
I believe Arachnids are spiders, not ants (insects). Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #103911
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Compactron tubes in HP or Tek instruments?
I think the 6M11 is a dual triode Pentode. Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
I think the 6M11 is a dual triode Pentode. Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #103352
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2N3055 redux
Ahhh! Puppy Love ☺ Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Ahhh! Puppy Love ☺ Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #102908
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An analog challenge (and a real problem)
Gold always sinks to the bottom :) Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Gold always sinks to the bottom :) Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #102884
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An analog challenge (and a real problem)
I missed the start of this thread. Are you trying to measure the temperature inside an IC that's performing other functions with a spare junction or just using a junction in an IC as a temperature sen
I missed the start of this thread. Are you trying to measure the temperature inside an IC that's performing other functions with a spare junction or just using a junction in an IC as a temperature sen
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· #102881
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Tektronix C-50, 51, 52 and 53 camera manual
I've downloaded the manual from DropBox and it's excellent quality. Thanks Tom, I'm sure this will be invaluable to anyone with a camera. Highly recommended. Don Black. This email is free from viruses
I've downloaded the manual from DropBox and it's excellent quality. Thanks Tom, I'm sure this will be invaluable to anyone with a camera. Highly recommended. Don Black. This email is free from viruses
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· #102855
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C50 'scope camera manual needed.
Thanks Tom, I'm happy either way. I should be able to receive email attachments up to at least 20 MBytes (I did a test a few days ago for another reason. I'd prefer it to be reasonably sharp. Cheers,
Thanks Tom, I'm happy either way. I should be able to receive email attachments up to at least 20 MBytes (I did a test a few days ago for another reason. I'd prefer it to be reasonably sharp. Cheers,
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· #102821
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C50 'scope camera manual needed.
Thanks Tom, I'd like a copy too please. Can you let us all know when it's posted. Don Black. --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.a
Thanks Tom, I'd like a copy too please. Can you let us all know when it's posted. Don Black. --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.a
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· #102819
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CRTs on Ebay
Ah! You're a hard man to please. Must have been a B movie ;) Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Ah! You're a hard man to please. Must have been a B movie ;) Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #102773
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About the cable used in oscilloscope probes
I think that's the same type of process as the ultrasonic tinning in that it lifts off the oxide layer. The ultrasonic cleaning probably cleans the entire surface better whereas the rubbing may miss s
I think that's the same type of process as the ultrasonic tinning in that it lifts off the oxide layer. The ultrasonic cleaning probably cleans the entire surface better whereas the rubbing may miss s
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· #102772
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CRTs on Ebay
Hello Michael, I agree with all you say, I'm aware that NTSC is the standards committee rather than the colour standard but NTSC is what the colour standard has become known as (at least outside the U
Hello Michael, I agree with all you say, I'm aware that NTSC is the standards committee rather than the colour standard but NTSC is what the colour standard has become known as (at least outside the U
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· #102747
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About the cable used in oscilloscope probes
I don't know what is used now but in his sixties books GA Briggs of Wharfedale speaker fame mentions they tinned the aluminium voice coil wire using an ultrasonic solder pot. The ultrasonic energy cau
I don't know what is used now but in his sixties books GA Briggs of Wharfedale speaker fame mentions they tinned the aluminium voice coil wire using an ultrasonic solder pot. The ultrasonic energy cau
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· #102744
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CRTs on Ebay
Thanks Craig, interesting comments. Actually I'm in Australia but worked on some C1958 Marconi prototype colour equipment. Very useful experience. The PAL is rock solid by comparison. Our colour servi
Thanks Craig, interesting comments. Actually I'm in Australia but worked on some C1958 Marconi prototype colour equipment. Very useful experience. The PAL is rock solid by comparison. Our colour servi
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· #102713
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CRTs on Ebay
Have you ever worked with old NTSC gear Craig. Capable of good results but Never Twice Same Colour oh so true, especially compared to the stability of PAL. Still a great development for its time which
Have you ever worked with old NTSC gear Craig. Capable of good results but Never Twice Same Colour oh so true, especially compared to the stability of PAL. Still a great development for its time which
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· #102710
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2465 help to fix
Have you tried tapping the instrument (gently) to see if it's sensitive to vibration. I think it would have to be very touchy to get these results from the mere vibration of turning a knob but it just
Have you tried tapping the instrument (gently) to see if it's sensitive to vibration. I think it would have to be very touchy to get these results from the mere vibration of turning a knob but it just
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· #102706
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7Bxx MOD515C [2 Attachments]
Are these the same Canon coax D connectors that Tektronix use on the 7S12 plugins? Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
Are these the same Canon coax D connectors that Tektronix use on the 7S12 plugins? Don Black. This email is free from viruses and malware because avast! Antivirus protection is active.
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· #102698
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