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Tektronix 1140A-- any interest?
Hello-- I have a Tek "1140A Load Current Shunt Fixture", part no. 067-0764-00, which isn't documented but appears to be an assortment of load resistors (some defective), switches and fuseholders. If n
Hello-- I have a Tek "1140A Load Current Shunt Fixture", part no. 067-0764-00, which isn't documented but appears to be an assortment of load resistors (some defective), switches and fuseholders. If n
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· #153820
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Free for postage: two Tektronix 120-0566-00 power transformers
Hello-- Before anyone gets overexcited, these iron-core power transformers are used and removed from two Tek 528 television waveform monitors. The transformers' electrical condition is unknown and unt
Hello-- Before anyone gets overexcited, these iron-core power transformers are used and removed from two Tek 528 television waveform monitors. The transformers' electrical condition is unknown and unt
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· #148377
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OT: need ultraviolet-transmitting filter glass?
Hello-- Please contact me off list for availability of NOS Schott UG-1 ultraviolet-transmitting glass. The material blocks visible light and transmits 360 nm (peak). Specs are available at... http://w
Hello-- Please contact me off list for availability of NOS Schott UG-1 ultraviolet-transmitting glass. The material blocks visible light and transmits 360 nm (peak). Specs are available at... http://w
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· #148325
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OT but could be very helpful to someone: Parasitic Battery Drain
Hello-- 1972 Volvo, with an intermittently-actuated glove-compartment switch that was loosely mounted through the cardboard side of the compartment. I chased this one through an alternator and battery
Hello-- 1972 Volvo, with an intermittently-actuated glove-compartment switch that was loosely mounted through the cardboard side of the compartment. I chased this one through an alternator and battery
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· #147789
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New acquisition: Soviet 7000-series copies
Helllo-- Thank you-- I'll add him to the Star Trek Chekov list<g>. 73-- Brad AA1IP
Helllo-- Thank you-- I'll add him to the Star Trek Chekov list<g>. 73-- Brad AA1IP
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· #147607
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Heat Sink Compound
<snip> Hello-- One morning years ago, my office mate came to work in a bad mood (unusual for him), and I asked what has happened. "I mistook the tube of diaper-rash ointment for toothpaste," he said.
<snip> Hello-- One morning years ago, my office mate came to work in a bad mood (unusual for him), and I asked what has happened. "I mistook the tube of diaper-rash ointment for toothpaste," he said.
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· #147550
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Nuvistors/TD
Hello, Michael-- I too was a long-time PolyPak customer, and I too found that one could get some real bargains with some judicious inspection of the Paks. Poly Pak was then located in Wakefield, MA, a
Hello, Michael-- I too was a long-time PolyPak customer, and I too found that one could get some real bargains with some judicious inspection of the Paks. Poly Pak was then located in Wakefield, MA, a
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· #147424
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Nuvistors/TD
On 4/30/2018 3:14 PM, Chuck Harris wrote: <snip> > Radio Shack of the late 1960's was vastly more interesting then > it was in later years... but still no tunnel diodes. Hello-- The late (and not ofte
On 4/30/2018 3:14 PM, Chuck Harris wrote: <snip> > Radio Shack of the late 1960's was vastly more interesting then > it was in later years... but still no tunnel diodes. Hello-- The late (and not ofte
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· #147411
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422 AC/DC Version
On 4/8/2018 10:12 PM, Jeff Urban wrote: <snip>> . I used a bit from Putney Swope. If you're not too racist that is a good (cult) movie. I told the boss "When I get an unexplained bad output I get butt
On 4/8/2018 10:12 PM, Jeff Urban wrote: <snip>> . I used a bit from Putney Swope. If you're not too racist that is a good (cult) movie. I told the boss "When I get an unexplained bad output I get butt
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· #146494
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7904 Mainframe damaged
Hello-- I'm unfamiliar with the 7904's internals, but is there an AC filter module located between the incoming power cord and the power-supply section? I'm picturing a blown winding on a common-mode
Hello-- I'm unfamiliar with the 7904's internals, but is there an AC filter module located between the incoming power cord and the power-supply section? I'm picturing a blown winding on a common-mode
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· #146433
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Seeking advice: Repair of 7K "circuit card guide" on back of 7S14
Hello, Barry-- Please excuse my ignorance, but what's "CA"? Thanks, and 73-- Brad AA1IP ...Still searching for a container that'll hold the Universal Solvent....
Hello, Barry-- Please excuse my ignorance, but what's "CA"? Thanks, and 73-- Brad AA1IP ...Still searching for a container that'll hold the Universal Solvent....
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· #146404
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The vintageTEK Museum needs your help
Hello-- Back in the day, two users of fiche archives were libraries and newspapers. It might be worthwhile contacting either or both institutions in the Tek Museum area to see whether either could pro
Hello-- Back in the day, two users of fiche archives were libraries and newspapers. It might be worthwhile contacting either or both institutions in the Tek Museum area to see whether either could pro
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· #146108
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The vintageTEK Museum needs your help
Hello-- I'll second Merchison's enthusiastic comments-- this application (VueScan) is one of the best software purchases I've ever made! 73-- Brad AA1IP
Hello-- I'll second Merchison's enthusiastic comments-- this application (VueScan) is one of the best software purchases I've ever made! 73-- Brad AA1IP
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· #146082
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What calibration items to buy.
Hello, Dave-- Thank you! 73-- Brad AA1IP
Hello, Dave-- Thank you! 73-- Brad AA1IP
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· #145728
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What calibration items to buy.
On 3/18/2018 11:39 AM, Tom Gardner wrote: <snip> > Their storage facility is a barn with good roof, walls and floor - but > if it is cloudy outside, it is cloudy inside. Have a look at the photos > fo
On 3/18/2018 11:39 AM, Tom Gardner wrote: <snip> > Their storage facility is a barn with good roof, walls and floor - but > if it is cloudy outside, it is cloudy inside. Have a look at the photos > fo
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· #145725
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OT: European clocks slowed by lag in continent's power grid
Hello-- ...Or maybe they're transistorized.... 73-- Brad AA1IP
Hello-- ...Or maybe they're transistorized.... 73-- Brad AA1IP
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· #145485
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OT: European clocks slowed by lag in continent's power grid
Hello-- Do you mean that when a particle hears there's going to be an electron, it goes to the poles and volts?<g> 73-- Brad AA1IP ...Scent to the Olfactory New via Phartsmone...
Hello-- Do you mean that when a particle hears there's going to be an electron, it goes to the poles and volts?<g> 73-- Brad AA1IP ...Scent to the Olfactory New via Phartsmone...
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· #145479
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Capacitors Question?
<snip> Hello-- A friend who designed analog-intensive CRT displays for a computer company was frequently called upon to help debug malfunctioning logic boards. He would comment at length on the propen
<snip> Hello-- A friend who designed analog-intensive CRT displays for a computer company was frequently called upon to help debug malfunctioning logic boards. He would comment at length on the propen
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· #145460
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Capacitors Question?
<snip> Hello-- True story: Back in the 1980s, I worked for a company that sourced monochrome video displays from Ball Bros. Research which performed well but were relatively pricey. Our purchasing age
<snip> Hello-- True story: Back in the 1980s, I worked for a company that sourced monochrome video displays from Ball Bros. Research which performed well but were relatively pricey. Our purchasing age
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· #145433
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Gaining access to Tek 5403 power supply board?
On 3/8/2018 1:09 PM, Harvey White wrote <snip> Hello, Harvey-- Thanks for your reply. Removing the bottom plate exposes the solder side of the power supply PC board. Unfortunately. there's a cross-bra
On 3/8/2018 1:09 PM, Harvey White wrote <snip> Hello, Harvey-- Thanks for your reply. Removing the bottom plate exposes the solder side of the power supply PC board. Unfortunately. there's a cross-bra
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· #145426
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