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519: Difference between revisions
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(on limited demand list in 1973 catalog) |
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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> | ||
Tek 519 front.jpg|519 front view | |||
519_adaptkit.jpg|519 adapter kit | |||
519_adaptkit2.jpg|519 adapter kit case | |||
519 left.JPG | |||
519 right.JPG|Delay line around the EHT section | |||
519 crt defl.jpg|CRT deflection trimmers* | |||
519_defl_drawing.gif|Drawing from Devere book | |||
519 blower.JPG|Blower and duct | |||
519 sweeptube.JPG|Sweep tube and duct | |||
519 vert term2.JPG|Vertical terminator | |||
519 triggerpickoff.JPG|Trigger pickoff | |||
519 left rear.JPG | |||
519 sweepswitch.JPG | |||
519 board2.JPG | |||
519 board1.JPG | |||
519 crt in shield.jpg | |||
519 crt in shield2.jpg | |||
519 crt label.jpg | |||
Tek-519 rate gen.png|Rate Generator (early) | |||
Tek-519 rate gen late.png|Rate Generator (late) | |||
Tek-519 power supply.png|Power Supply | |||
Tek-519 heater supply and wiring.png|Heater Supply and Wiring | |||
Tek-519 timebase gen.png|Timebase Generator | |||
Tek-519 timing switch.png|Timing Switch | |||
Tek-519 timebase gate and unblanking.png|Timebase Gate and Unblanking | |||
Tek-519 crt circuit.png|CRT Circuit | |||
Tek-519 timebase trig and holdoff.png|Timebase Trigger and Holdoff | |||
Tek-519 cal step gen.png|Calibration Step Generator | |||
Tek-519 trig sw and vert delay.png|Trigger Switch and Vertical Delay | |||
Timkoeth 519 TWK 6541.jpg | |||
Timkoeth 519 TWK 6537.jpg | |||
Timkoeth 519 TWK 6529.jpg | |||
Timkoeth 519 TWK 6509.jpg | |||
Timkoeth 519 TWK 1379.jpg | |||
Timkoeth 519 TIM 4443.jpg|Homebrew Mount for DSLR | |||
Timkoeth 519 TWK 6448.jpg | |||
Timkoeth 519 TWK 6627.jpg | |||
Tek 519 left hires.jpg | |||
Tek 519 tx1.jpg | |||
Tek 519 tx2.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 | * 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]] | ||