519: Difference between revisions

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225 bytes removed ,  22 December 2016
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(on limited demand list in 1973 catalog)
No edit summary
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It was designed by [[Cliff Moulton]], who also designed the Type [[130]] LC Meter.   
It was designed by [[Cliff Moulton]], who also designed the Type [[130]] LC Meter.   


== No Vertical Amplifier ==
==Internals==
=== No Vertical Amplifier ===
The 519 is very unusual in that it does not contain vertical amplifiers.   
The 519 is very unusual in that it does not contain vertical amplifiers.   
The input signal is passively connected to the  
The input signal is passively connected to the  
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The vertical deflection factor is approximately 10 V/cm.
The vertical deflection factor is approximately 10 V/cm.


== CRT ==
=== CRT ===
The viewing area is two centimeters vertical, six centimeters
The viewing area is two centimeters vertical, six centimeters
horizontal.  The spot diameter on the CRT is 0.1 mm,  
horizontal.  The spot diameter on the CRT is 0.1 mm,  
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CRT part number is [[154-308]].
CRT part number is [[154-308]].


== 125 Ω Input Impedance ==
=== 125 Ω Input Impedance ===
The input to the 519 has an impedance of 125 Ω.   
The input to the 519 has an impedance of 125 Ω.   
The input connector is a special 125-ohm [[GR-874 connector]] made by Tektronix  
The input connector is a special 125-ohm [[GR-874 connector]] made by Tektronix  
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adapter, the [[017-053]], which presents a 50 Ω input (but attenuates the signal).
adapter, the [[017-053]], which presents a 50 Ω input (but attenuates the signal).


== Rigid Coax Delay Line ==
=== Rigid Coax Delay Line ===
To allow viewing of the leading edge of pulses, there is a  
To allow viewing of the leading edge of pulses, there is a  
rigid coaxial 45 ns [[delay line]] between the input and the CRT.   
rigid coaxial 45 ns [[delay line]] between the input and the CRT.   
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A 519 can also be used with a pretrigger pulse generator like the [[111]].
A 519 can also be used with a pretrigger pulse generator like the [[111]].


== Trigger and Sweep ==
=== Trigger and Sweep ===
The sweep is triggered using a 20 mA, 4 pF [[tunnel diodes|tunnel diode]].   
The sweep is triggered using a 20 mA, 4 pF [[tunnel diodes|tunnel diode]].   
The horizontal deflection ramp signal of a 519 is generated  
The horizontal deflection ramp signal of a 519 is generated  
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<gallery>
<gallery>
File:Tek 519 front.jpg|519 front view
Tek 519 front.jpg|519 front view
File:519_adaptkit.jpg|519 adapter kit
519_adaptkit.jpg|519 adapter kit
File:519_adaptkit2.jpg|519 adapter kit case
519_adaptkit2.jpg|519 adapter kit case
File:519 left.JPG
519 left.JPG
File:519 right.JPG|Delay line around the EHT section
519 right.JPG|Delay line around the EHT section
File:519 crt defl.jpg|CRT deflection trimmers*
519 crt defl.jpg|CRT deflection trimmers*
File:519_defl_drawing.gif|Drawing from Devere book
519_defl_drawing.gif|Drawing from Devere book
File:519 blower.JPG|Blower and duct
519 blower.JPG|Blower and duct
File:519 sweeptube.JPG|Sweep tube and duct
519 sweeptube.JPG|Sweep tube and duct
File:519 vert term2.JPG|Vertical terminator
519 vert term2.JPG|Vertical terminator
File:519 triggerpickoff.JPG|Trigger pickoff
519 triggerpickoff.JPG|Trigger pickoff
File:519 left rear.JPG
519 left rear.JPG
File:519 sweepswitch.JPG
519 sweepswitch.JPG
File:519 board2.JPG
519 board2.JPG
File:519 board1.JPG
519 board1.JPG
File:519 crt in shield.jpg
519 crt in shield.jpg
File:519 crt in shield2.jpg
519 crt in shield2.jpg
File:519 crt label.jpg
519 crt label.jpg
File:Tek-519 rate gen.png|Rate Generator (early)
Tek-519 rate gen.png|Rate Generator (early)
File:Tek-519 rate gen late.png|Rate Generator (late)
Tek-519 rate gen late.png|Rate Generator (late)
File:Tek-519 power supply.png|Power Supply
Tek-519 power supply.png|Power Supply
File:Tek-519 heater supply and wiring.png|Heater Supply and Wiring
Tek-519 heater supply and wiring.png|Heater Supply and Wiring
File:Tek-519 timebase gen.png|Timebase Generator
Tek-519 timebase gen.png|Timebase Generator
File:Tek-519 timing switch.png|Timing Switch
Tek-519 timing switch.png|Timing Switch
File:Tek-519 timebase gate and unblanking.png|Timebase Gate and Unblanking
Tek-519 timebase gate and unblanking.png|Timebase Gate and Unblanking
File:Tek-519 crt circuit.png|CRT Circuit
Tek-519 crt circuit.png|CRT Circuit
File:Tek-519 timebase trig and holdoff.png|Timebase Trigger and Holdoff
Tek-519 timebase trig and holdoff.png|Timebase Trigger and Holdoff
File:Tek-519 cal step gen.png|Calibration Step Generator
Tek-519 cal step gen.png|Calibration Step Generator
File:Tek-519 trig sw and vert delay.png|Trigger Switch and Vertical Delay
Tek-519 trig sw and vert delay.png|Trigger Switch and Vertical Delay
File:Timkoeth 519 TWK 6541.jpg
Timkoeth 519 TWK 6541.jpg
File:Timkoeth 519 TWK 6537.jpg
Timkoeth 519 TWK 6537.jpg
File:Timkoeth 519 TWK 6529.jpg
Timkoeth 519 TWK 6529.jpg
File:Timkoeth 519 TWK 6509.jpg
Timkoeth 519 TWK 6509.jpg
File:Timkoeth 519 TWK 1379.jpg
Timkoeth 519 TWK 1379.jpg
File:Timkoeth 519 TIM 4443.jpg|Homebrew Mount for DSLR
Timkoeth 519 TIM 4443.jpg|Homebrew Mount for DSLR
File:Timkoeth 519 TWK 6448.jpg
Timkoeth 519 TWK 6448.jpg
File:Timkoeth 519 TWK 6627.jpg
Timkoeth 519 TWK 6627.jpg
File:Tek 519 left hires.jpg
Tek 519 left hires.jpg
File:Tek 519 tx1.jpg
Tek 519 tx1.jpg
File:Tek 519 tx2.jpg
Tek 519 tx2.jpg
File:Tek 519 tx3.jpg
Tek 519 tx3.jpg
</gallery>
</gallery>
* CRT photo courtesy of [http://www.collection.archivist.info collection.archivist.info]
* CRT photo courtesy of [http://www.collection.archivist.info collection.archivist.info]
* See Oscilloscope Cathode-Ray Tubes by Chuck Devere, page 30-35 [[http://www.slack.com/TE/TekConcepts/062-0852-01_CRTs_Jul69.pdf here]].
* See [[Media:062-0852-01.pdf | Oscilloscope Cathode-Ray Tubes by Chuck Devere]], page 30-35.
* See [http://www.timkoeth.com/?cat=5 Tim Koeth's Page on the Tektronix 519]
* See [http://www.timkoeth.com/?cat=5 Tim Koeth's Page on the Tektronix 519]


[[Category:Monolithic tube scopes]]
[[Category:Monolithic tube scopes]]

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