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manuals= | manuals= | ||
* [http://bama.edebris.com/download/tek/514d/Tek%20514D%20Series%20A%20Manual.pdf Tektronix 514D Manual (PDF)] | * [http://bama.edebris.com/download/tek/514d/Tek%20514D%20Series%20A%20Manual.pdf Tektronix 514D Manual (PDF)] | ||
* [[Media:Tek 514 history parts list.pdf|Tektronix 514 History Parts List (PDF)]] | |||
}} | }} | ||
The '''Tektronix 514''' is a monolithic general-purpose oscilloscope introduced in 1949 or 1950. | The '''Tektronix 514''' is a monolithic general-purpose oscilloscope introduced in 1949 or 1950. | ||
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''or'' an instrument with DC response (the [[512]]). The 514 provides DC response ''and'' 10 MHz bandwidth. | ''or'' an instrument with DC response (the [[512]]). The 514 provides DC response ''and'' 10 MHz bandwidth. | ||
The 514 uses a [[5CPA]] CRT with a total accelerating voltage of 3 kV (−1.5 kV on the CRT cathode and +1.5 kV on the CRT anode). | |||
The 514 uses a [[5CPA]] CRT with a total accelerating voltage of | |||
( | |||
The standard [[phosphor]] for a 514 was P1. | The standard [[phosphor]] for a 514 was P1. | ||
The deflection sensitivity of the CRT is approximately 27 V/cm vertical and 32 V/cm horizontal. | The deflection sensitivity of the CRT is approximately 27 V/cm vertical and 32 V/cm horizontal. | ||
The power supply is regulated based on a | The power supply is regulated based on a −140 V reference produced by an [[OD3]] gas regulator tube. | ||
The +225 V supply uses three [[5V4G]] rectifier tubes in parallel. | The +225 V supply uses three [[5V4G]] rectifier tubes in parallel. | ||
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on some models), which has a 24-section 250 ns lumped L-C [[delay line]]. | on some models), which has a 24-section 250 ns lumped L-C [[delay line]]. | ||
There was also an 'A' version (514-A & 514-AD respectively), which appears to have been available in 1954. | There was also an 'A' version (514-A & 514-AD respectively), which appears to have been available in 1954. | ||
''(There were also some models marked 'Series A', which may have been a predecessor to the 514A? | ''(There were also some models marked 'Series A', which may have been a predecessor to the 514A? How does the 514AD differ from the 514D?)'' | ||
How does the 514AD differ from the 514D?)'' | |||
It has no [[thermal cutoff]]. | It has no [[thermal cutoff]]. | ||
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{{Spec | Input impedance |1 MΩ // 30 pF }} | {{Spec | Input impedance |1 MΩ // 30 pF }} | ||
{{Spec | Vertical deflection | 100 V/cm down to 300 mV/cm (DC) / 30 mV/cm (AC), 1 - 3 - 10 sequence}} | {{Spec | Vertical deflection | 100 V/cm down to 300 mV/cm (DC) / 30 mV/cm (AC), 1 - 3 - 10 sequence}} | ||
{{Spec | Weight | | {{Spec | Weight | 28.1 kg (62 pounds) }} | ||
{{Spec | Power consumption | 375 W }} | {{Spec | Power consumption | 375 W }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
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==Links== | ==Links== | ||
* [http://paulcarbone.com/blog/?p=909 Paul's research on models, variants, and years available] | * [http://paulcarbone.com/blog/?p=909 Paul's research on models, variants, and years available] | ||
* [[Media:Tektronix Photo Manual 1952.pdf| Tektronix Photo Manual 1952]] | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek 514d front.jpg | Front | |||
Tek 514 with bk curve tracer.jpg|514AD with B&K Curve Tracer | |||
Tek 514d dist amp.jpg | Distributed vertical amp | |||
Tek 514d delay trimmers.jpg | Delay line trimmer caps | |||
Tek 514d bottom.jpg | Bottom view | |||
Tek514-PowerSupply.jpg | Power Supply | |||
Tek514-upperDeckRear.jpg | Upper Deck, rear | |||
Tek514-upperDeckFront.jpg | Upper Deck, front | |||
Tek514-lowerDeckFront.jpg | Lower Deck, front | |||
Tek514-lowerDeckRear.jpg | Lower Deck, rear | |||
Tek514-fanMotor.jpg | Fan Motor | |||
Tek514-lineSocket.jpg | Line Socket | |||
Tek 514d-vert schem2.png | Vertical amp schematic | |||
Tek_514_Vertical_preamp_early.jpg | Vertical preamp, early | |||
Tek_514_HV_PS_early.jpg | HV Power Supply, early | |||
Tek 514ad 5535 1.jpg|514AD | |||
Tek 514ad 5535 2.jpg|514AD | |||
Tek 514ad 5535 3.jpg|514AD | |||
Tek 514ad 5535 4.jpg|514AD | |||
Tek 514ad 5535 5.jpg|514AD | |||
Tek 514ad 5535 6.jpg|514AD | |||
Tek 514ad 5535 7.jpg|514AD | |||
Tek 514ad 5535 8.jpg|514AD | |||
Tek 514ad 5535 9.jpg|514AD | |||
Tek 514ad 5535 10.jpg|514AD | |||
</gallery> | </gallery> | ||
[[Category:Monolithic tube scopes]] | [[Category:Monolithic tube scopes]] | ||