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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar |manufacturer=Tektronix |
title=Tektronix 513 |
series= |
model= 513 |
summary=18 MHz scope |
summary=18 MHz scope |
image=513d front.jpg |
image=513d front.jpg |
caption=Tektronix 513D front |
caption=Tektronix 513D front |
introduced=1950 |
introduced=1950 |
discontinued=(?) |
discontinued=1955 |
designers=Frank Hood |
manuals=
manuals=
* [http://bama.edebris.com/download/tek/513/Tek%20513.pdf Tektronix 513 Manual (PDF)]
* [http://bama.edebris.com/download/tek/513/Tek%20513.pdf Tektronix 513 Manual (PDF)]
* [http://w140.com/Tek_1949_Sales_Brochure.pdf 1949 Tek Sales Brochure Mentioning the 513 (PDF)]
* [http://w140.com/Tek_1949_Sales_Brochure.pdf 1949 Tek Sales Brochure Mentioning the 513 (PDF)]
* [[Media:Tek 513 history parts list.pdf]]
}}
}}
The '''Tektronix 513''' is a single-channel monolithic oscilloscope with 18 MHz bandwidth.
==History==
The Type 513 was announced in 1949 and [[introduced in 1950]]. 
The initial announcement in 1949 (link below) listed the 513 at $1695,
weighing 60 pounds, with a low frequency cutoff of 5 Hz. 
As delivered to customers in 1950,
the 513 weighed an extra 15 pounds,
but had flat response down to DC and cost a bit less:
$1650 with the delay line or $1600 without.
==Links==
* [[Media:Tektronix Photo Manual 1952.pdf| Tektronix Photo Manual 1952]]


The '''Tektronix 513''' is a single-channel monolithic oscilloscope with 18 MHz bandwidth.  
==Internals==
It was announced in 1949 and [[introduced in 1950]].
===Vertical Signal Path===
The input impedance is 1 MΩ in parallel with 40 pF.
 
The scope provides power to an optional cathode-follower probe. 
 
====Vertical Deflection Sensitivity and Bandwidth====
The 513 has a vertical deflection sensitivity switch with seven positions. 
Each position selects a range of sensitivities.
The positions of the vertical sensitivity switch are:
{| border="1" style="border-collapse:collapse" class="wikitable"
|-
! scope="col"| Position
! scope="col"| Bandwidth
! scope="col"| Comments
|-  
| 0.03 to 0.1 V/div
| 2 Hz to 16 MHz
| Preamplifier inserted in signal path.
|-
| 0.1 to 0.3 V/div
| 2 Hz to 16 MHz
| Preamplifier inserted in signal path.
|-
| 0.3 to 1 V/div
| DC to 18 MHz
|-
| 1 to 3 V/div
| DC to 18 MHz
|-
| 3 to 10 V/div
| DC to 18 MHz
|-
| 10 to 30 V/div
| DC to 18 MHz
|-
| 30 to 100 V/div
| DC to 18 MHz
|}
The exact sensitivity is determined by the position of the vertical amplifier attenuation control,
which is a potentiometer.
 
The preamplifier for the two most sensitive ranges is made of two [[12AW6]] pentodes
in common-cathode configuration, cascaded, followed by a cathode-follower stage
using a [[12AT7]].


It used a [[5XP]] CRT initially, and then switched to a Tek-made CRT.
====Delay Line====
It was the first Tektronix oscilloscope to contain a [[distributed amplifier]]. 
When purchased with the delay line, the 513 is a 513D.
It was also the first Tek scope to contain a [[delay line]] for the vertical signal,
The 513D was the first Tektronix oscilloscope to offer
a [[delay line]] for the vertical signal,
to allow viewing the leading edge of the event that triggers the sweep.
to allow viewing the leading edge of the event that triggers the sweep.
The delay line is single-ended, implemented using 40 L-C stages.
====Phase Splitter====
Following the delay, a phase splitter produces two outputs,
one inverted, one not inverted.
These drive the distibuted vertical output amplifier.
====Distributed Vertical Output Amplifier====
The 513 may have been the first Tektronix oscilloscope to contain a [[distributed amplifier]]. 
It was released at about the same time as the [[514]],  
It was released at about the same time as the [[514]],  
which contains a much simpler, lower bandwidth distributed amplifier.
which contains a much simpler, lower bandwidth distributed amplifier.
The 513's distributed vertical output amplifier is really two independent single-ended amplifiers,
each containing seven stages of [[6CB6]] tubes.
One output amplifier amplifies the inverted output of the phase splitter and
drives one vertical deflection plate.
The other output amplifier amplifies the noninverted output of the phase splitter and
drives the other vertical deflection plate.
The next scopes to use distributed amplifiers were  
The next scopes to use distributed amplifiers were  
the [[517]] in 1951 and then the [[541]] and [[545]] in 1955.
the [[517]] in 1951 and then the [[541]] and [[545]] in 1955.


The initial announcement in 1949 (link below) listed the 513 at $1695, weighing 60 pounds, with a low frequency cutoff of 5 Hz.  As delivered to customers in 1950,
===CRT===
the 513 weighed an extra 15 pounds, but had flat response down to DC and cost a bit less: $1650 with the delay line or $1600 without.
It used a [[5XP]] CRT initially, and then switched to a Tek-made CRT.
 
The input impedance is 1 MΩ in parallel with 40 pF. 
The scope provides power to an optional cathode-follower probe. 
The 513D has a delay line; the 513 does not. 
 
The 513 and 513D contain a distributed vertical output amplifier
made of [[6CB6]] tubes.  The 513 has no [[thermal cutoff]] and  
uses [[selenium rectifiers]].


[[Stan Griffiths]] says,
[[Stan Griffiths]] says,
<blockquote>
<blockquote>
"The 513D used two different CRT types, depending on instrument serial
"The 513D used two different CRT types, depending on instrument serial
Line 51: Line 118:
</blockquote>
</blockquote>


The 513 weighs 75 pounds and uses a maximum of 580 watts.
===Low Voltage Power Supply===
The low voltage power supply of the 513 puts out six voltages:
{| border="1" style="border-collapse:collapse" class="wikitable"
|-
! scope="col"| Voltage
! scope="col"| Rectification
! scope="col"| Regulation
|-
| +800 V
| [[6X4]]
| +225V is reference, [[6AU6]] error amp, [[12B4]] pass tube
|-
| +330 V
| [[selenium rectifiers]]
| unregulated
|-
| +275 V
| [[selenium rectifiers]]
| −140V is reference, [[6AU6]] error amp, [[6AU5]] pass tube
 
|-
| +225 V
| [[selenium rectifiers]]
| [[5651]] reference, [[12AX7]] and [[6AU6]] error amp, [[6AS7]] pass tube (both triodes in parallel)
 
|-
| −140 V
| [[6X4]]
| [[OD3]] shunt regulator
 
|-
| −300 V
| [[6X4]]
| unregulated
 
|}
 
The 513 has no [[thermal cutoff]].
 
===High Voltage Power Supply===
The high voltages for the 513 CRT are generated by the Tektronix [[210|Type 210B]] High Voltage Power Supply,


==Specifications==
The total CRT acceleration voltage of the 513 is 12 kV.
[[Category:Specifications needed]] ''please add''
The cathode is at −2 kV and the anode is a +10 kV.
The HV circuit uses four [[5642]] rectifier tubes,
one for the cathode voltage and three for the anode voltage.
 
==Mechanical==
The 513 weighs 34 kg (75 pounds) and uses a maximum of 580 watts.


==Pictures==
==Pictures==
<gallery>
<gallery>
Image:513d front.jpg
513d front.jpg
Image:Tek 513d.jpg
Tek 513d.jpg
Image:Tek 513d 2.jpg
Tek 513d 2.jpg
File:Tek 513 block.png|Block Diagram
Tek 513 block.png|Block Diagram
File:Tek_513_vertical_input_and_cal.png|Vertical Input and Cal
Tek_513_vertical_input_and_cal.png|Vertical Input and Cal
Image:Tek 513 vert.png|Distributed vertical amplifier.
Tek 513 vert.png|Distributed vertical amplifier.
File:Tek 513 delay network.png|Delay Network
Tek 513 delay network.png|Delay Network
File:Tek 513 delayed gate and trig.png|Delayed Gate and Trigger
Tek 513 delayed gate and trig.png|Delayed Gate and Trigger
File:Tek 513 trigger rate gen.png|Trigger Rate Generator
Tek 513 trigger rate gen.png|Trigger Rate Generator
File:Tek 513 sweep.png|Sweep
Tek 513 sweep.png|Sweep
File:Tek 513 high voltage osc.png|High Voltage Oscillator
Tek 513 high voltage osc.png|High Voltage Oscillator
File:Tek 513 power supply.png|Power Supply
Tek 513 power supply.png|Power Supply
Image:513 top inside.jpg|Top internal view.  Delay is at lower right.
Tek 513 top2.jpg|Top internal view.  Delay is at upper left.
Image:513 right inside.jpg|Right internal view.
513 hvps.jpg|High voltage power supply
Image:513 hvps.jpg|High voltage power supply
513 right.jpg|Right external view.
Image:513 right.jpg|Right external view.
Tek 513 left2.jpg|Left internal.  5XP CRT has three anode connections.
Image:513 left internal.jpg|Left internal.  5XP CRT has three anode connections.
513 hvps2.jpg|High voltage power supply
Image:513 hvps2.jpg|High voltage power supply
513 front.jpg
Image:513 front.jpg
Tek 513 bottom2.jpg|Bottom view.
Image:513 bottom.jpg|Bottom view.
Tek 1949 Sales Brochure 513.png|Announcement in 1949 Sales Brochure
Image:Tek 1949 Sales Brochure 513.png|Announcement in 1949 Sales Brochure
Tek 513 right2.jpg|Right Internal View
Tek 513 hvps 201b.jpg|Type 210B High Voltage Supply
Tek 513 crt pins.jpg|CRT Deflection Plate Connections
</gallery>
</gallery>
{{Parts|513}}


[[Category:Monolithic tube scopes]]
[[Category:Monolithic tube scopes]]
Retrieved from "https://w140.com/tekwiki/wiki/Special:MobileDiff/13407...69611"

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