475: Difference between revisions

Jump to navigation Jump to search

475 (view source)

Revision as of 12:17, 7 April 2023

2,025 bytes added ,  7 April 2023
no edit summary
No edit summary
No edit summary
(30 intermediate revisions by 8 users not shown)
Line 1: Line 1:
{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar  
title=Tektronix 475 |
|manufacturer=Tektronix
summary=Portable 200 MHz dual-trace scope |
|series=400-series scopes
image=Tek 475 square sin.jpg |
|model=475
caption= Tektronix 475 |
|summary=Portable 200 MHz dual-trace scope
introduced=1972 |
|image=Tek 475 square sin.jpg
discontinued=1983 |
|caption= Tektronix 475  
manuals=
|introduced=1972  
|discontinued=1983  
|designers=Leon Orchard;Luis Navarro;Bob Shand;Jim Hinze;Jim Godwin;Les Larson;Steve Tosh;Jim Woo;Ken Holland;Bill Mark;George Ermini;Dennis Braatz
|manuals=
'''475'''
'''475'''
* [http://w140.com/tek_475_tek.pdf Tektronix 475 Manual (65MB file, ok quality, PDF)]
* [[Media:070-1333-00.pdf|Tektronix 475 Operators Manual]] (OCR, 14MB, good quality)
* [http://w140.com/Tektronix_475_Oscilloscope_Service_Manual.pdf Tektronix 475 Manual (108MB file, good quality, PDF)]
* [[Media:070-1332-00.pdf|Tektronix 475 Service Manual]] (65MB, OK quality, needs re-OCR)
* [[Media:TB-9-6625-2240-35.pdf|475 calibration (Army) (OCR)]]
* [[Media:070-1862-00.pdf|Tektronix 475 with Option SN B250,000-up]] (165MB)
* [[Media:070-1332-00.pdf|Tektronix 475 Manual (65MB file, ok quality, PDF, OCR, bad-OCR)]]
* [[Media:070-2039-00.pdf|Tektronix 475/DM44 Operators Manual]] (16MB)
 
* [[Media:tek_475_tek.pdf|Tektronix 475 Service Manual]] (65MB, OK quality)
* [[Media:Tektronix_475_Oscilloscope_Service_Manual.pdf|Tektronix 475 Service Manual]] (108MB, good quality)
 
* [[Media:TB-9-6625-2240-35.pdf|475 calibration (Army)]] (OCR)
* [[Media:070-1739-01.pdf|475 and DM43/DM40 Instruction Manual]]


'''475A'''
'''475A'''
* [[Media:070-2163-00.pdf|Tektronix 475A-DM44 Oscilloscope Instruction Manual (OCR, PDF)]]
* [[Media:070-2163-00.pdf|Tektronix 475A-DM44 Oscilloscope Instruction Manual]] (OCR)
* [[Media:070-2162-00.pdf|Tektronix 475A Manual (11MB, PDF)]]
* [[Media:070-2162-00.pdf|Tektronix 475A Service Manual]] (11MB)
* [[Media:tek_475a_block_diagram.pdf|Tektronix 475A Schematics (PDF, OCR, bad-OCR)]]
* [[Media:tek_475a_block_diagram.pdf|Tektronix 475A Schematics]] (needs re-OCR)
* [http://w140.com/tek_475a_schematics.pdf Tektronix 475A Schematics (PDF)]
* [[Media:tek_475a_schematics.pdf|Tektronix 475A Schematics]]


'''Modifications'''
'''Modifications'''
* [[Media:050-1558-00.pdf|Modification: U3165 Replacement]]
* [[Media:050-1558-00.pdf|Modification: U3165 Replacement]]
* [[Media:062-2784-00.pdf|067-0676-00 Vertical Insertion Unit for 475 Datasheet (PDF, needs OCR)]]
* [[Media:062-2784-00.pdf|067-0676-00 Vertical Insertion Unit for 475 Datasheet]] (needs OCR)


'''History'''
'''History'''
* [[Media:Tek 465 and 475 marketing sales release.pdf|Tektronix 465 and 475 Marketing Sales Release (PDF)]]
* [[Media:Tek 465 and 475 marketing sales release.pdf|Tektronix 465 and 475 Marketing Sales Release]]
* [[Media:tek_475a_msr.pdf|Tektronix 475A Marketing Sales Release (PDF, OCR, bad-OCR)]]
* [[Media:tek_475a_msr.pdf|Tektronix 475A Marketing Sales Release]] (needs re-OCR)
<!--
 
* [http://w140.com/tek_475a_description.pdf Tektronix 475A Marketing Sales Release (PDF)]
-->
}}
}}
The '''Tektronix 475''' is a portable dual-trace oscilloscope with dual time-bases similar to the [[465]],
The '''Tektronix 475''' is a portable dual-trace oscilloscope with dual time-bases similar to the [[465]],
but with 200 MHz bandwidth and a maximum vertical sensitivity of 2 mV/Div.
but with 200 MHz bandwidth and a maximum vertical sensitivity of 2 mV/Div.
It is all solid-state except for the CRT.  
It is all solid-state except for the CRT. It was introduced in November 1972.
It was introduced in November 1972.


Military variant is called OS-261 C(v)1/0, which has DC/DC converter (12/24V input) on board.
The military variant is called OS-261 C(v)1/0, which has a DC/DC converter (12/24V input) on board.
 
A revised version, the 475A ([[introduced in 1977]]), has 250 MHz bandwidth and a maximum vertical sensitivity of 5 mV/Div.


A revised version, the 475A, has 250 MHz bandwidth and a maximum vertical sensitivity of 5 mV/Div.
The [[1106]] is a battery pack for the 475.
The [[1106]] is a battery pack for the 475.


The optional [[DM44]] multimeter attaches to the top of the instrument.
The optional [[DM44]] multimeter attaches to the top of the instrument.
From [[Media:Tekscope 1972 V4 N5 Sep 1972.pdf|Tekscope Vol. 4 No. 5, 1972]]:
<blockquote>
Electrical design team [...] for the 475 under the leadership of [[Jim Hinze]] was: [[Jim Godwin]], [[Les Larson]], [[Steve Tosh]], and [[Jim Woo]].
</blockquote>


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Bandwidth | 200 MHz (475), AC cutoff 10 Hz, switchable BW limit 20 MHz }}
{{Spec | Bandwidth | 200 MHz (475), AC cutoff 10 Hz, switchable BW limit 20 MHz }}
{{Spec | Rise time | 1.75  ns (475) }}
{{Spec | Rise time | 1.75  ns (475) }}
{{Spec | Deflection | 2 mV/Div to 5 V/Div, 1-2-5 }}
{{Spec | Deflection | 2 mV/Div to 5 V/Div, 1−2−5 }}
{{Spec | Cascaded mode | 400 μV/Div, 50 MHz with CH1 input connected to CH2 VERT SIG OUT }}
{{Spec | Cascaded mode | 400 μV/Div, 50 MHz with CH1 input connected to CH2 VERT SIG OUT }}
{{Spec | Time base | 10 ns/Div to 500 ms/Div, 1-2-5, and ×10 magnifier }}
{{Spec | Time base | 10 ns/Div to 500 ms/Div, 1−2−5, and ×10 magnifier }}
{{Spec | Input impedance | 1 MΩ // 20 pF }}
{{Spec | Input impedance | 1 MΩ // 20 pF }}
{{Spec | Triggering | 0.3 Div (int) or 50 mV (ext) to 40 MHz, increasing to 1.5 Div/250 mV at 200 MHz; AC coupling >60 Hz; LF REJ >50 kHz, HF REJ <50 kHz }}
{{Spec | Triggering | 0.3 Div (int) or 50 mV (ext) to 40 MHz, increasing to 1.5 Div/250 mV at 200 MHz; AC coupling >60 Hz; LF REJ >50 kHz, HF REJ <50 kHz }}
Line 54: Line 66:
{{Spec | Calibrator | 1 kHz, 30 mA / 300 mV square wave }}
{{Spec | Calibrator | 1 kHz, 30 mA / 300 mV square wave }}
{{Spec | Outputs | CH2 Vert Signal Out, 20 mV/Div into 1 MΩ or 10 mV/Div into 50 Ω; A and B +GATE OUT, +5 V; [[LEMO S-series connector|Probe power jack]] }}
{{Spec | Outputs | CH2 Vert Signal Out, 20 mV/Div into 1 MΩ or 10 mV/Div into 50 Ω; A and B +GATE OUT, +5 V; [[LEMO S-series connector|Probe power jack]] }}
{{Spec | CRT | 8 × 10 cm², P31 phosphor (P11 opt.)  }}
{{Spec | CRT | 8 × 10 cm², P31 phosphor (P11 opt.), [[154-0677-00]] }}
{{Spec | Power | 110, 115, 120, 220, 230 or 240  V<sub>AC</sub> ±10%, 48-440 Hz, max. 100 W }}
{{Spec | Power | 110, 115, 120, 220, 230 or 240  V<sub>AC</sub> ±10%, 48-440 Hz, max. 100 W }}
{{EndSpecs}}
{{EndSpecs}}
Line 67: Line 79:
* The New Look in Portables, in [[Media:Tekscope 1972 V4 N5 Sep 1972.pdf|Tekscope Vol. 4 No. 5, 1972]]
* The New Look in Portables, in [[Media:Tekscope 1972 V4 N5 Sep 1972.pdf|Tekscope Vol. 4 No. 5, 1972]]
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/475.htm Tek 475] / [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/475A_DM44.htm Tek 475A] @ amplifier.cd
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/475.htm Tek 475] / [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/475A_DM44.htm Tek 475A] @ amplifier.cd
* [https://www.youtube.com/watch?v=WPgkVThknYo Tek 475A / DM44 repair] by vintageTek Museum @ YouTube
* [https://www.youtube.com/watch?v=2SESaF7Ibbw Tek 475A in operation] @ YouTube
* [https://www.youtube.com/watch?v=2SESaF7Ibbw Tek 475A in operation] @ YouTube
* [https://www.youtube.com/watch?v=wfw60QmUp_A Tektronix 475A and DM44 Repair Power Supply and Logic] by Zenwizard Studios @ YouTube
* [https://www.youtube.com/watch?v=KzVMbhytWOg Tektronix 475A and DM44 Power Supply and Tube Alignment] @ Zenwizard Studios YouTube
* [https://www.youtube.com/watch?v=gEXYRPNohyA 151-0367-00 Guaranteed Bad Parts] @ Zenwizard Studios YouTube
* [https://www.youtube.com/watch?v=gtDnTN14JL0 Tektronix 475A Vertical Alignment and One Last Power Supply Issue] @ Zenwizard Studios YouTube
* [https://www.youtube.com/watch?v=tw55DrUR8s8 Tektronix 475A Trigger Section Alignment] @ Zenwizard Studios YouTube
* [https://www.youtube.com/watch?v=5fGnnTfDNPA Tektronix DM44 & 475A Horizontal Alignment] by Zenwizard Studios @ YouTube
* [https://www.youtube.com/watch?v=982GcYWIjWI Tektronix 475 non A Repair and Restoration] by Zenwizard Studios @ YouTube
* [[050-0674-00|Handle Replacement Modification Kit]]
* [[050-0674-00|Handle Replacement Modification Kit]]


Line 86: Line 108:
Tek 475a rear.jpg|475A rear
Tek 475a rear.jpg|475A rear
Tek_OS_261_rear.jpg | 475 (OS-261 C) rear, with DC-Input
Tek_OS_261_rear.jpg | 475 (OS-261 C) rear, with DC-Input
475A_A9-Interface_board.jpg | 475A A9 Interface Board
475A_A9-Interface_board.jpg | 475A A9 Interface board
475A_A6_Fan_motor.jpg |475A A6 & Fan Motor  
475A_A6_Fan_motor.jpg |475A A6 & Fan Motor  
Tek_475A_A7Board.jpeg |475A A7 Timing board
475A_A9-PowerSupply.jpg | 475A Power Supply Section of A9
475A_A9-PowerSupply.jpg | 475A Power Supply Section of A9
475A_DMM44_Board.jpg | 475A with [[DM44]] Board on top
475A_DMM44_Board.jpg | 475A with [[DM44]] Board on top
475A_A3-Vertical_Preamp.jpg | 475A A3 Vertical Preamp Board
475A_A3-Vertical_Preamp.jpg | 475A A3 Vertical Preamp board
Tek475DM44 1khz.jpg | 475/DM44 measuring a 1 kHz sine wave
Tek475DM44 10khz.jpg | 475/DM44 measuring a 10 kHz sine wave
Tek475DM44 100khz.jpg | 475/DM44 measuring a 100 kHz sine wave
</gallery>
</gallery>
===475M===
<gallery>
Tek 475m 1.jpg
Tek 475m 2.jpg
Tek 475m 3.jpg
Tek 475m 4.jpg
Tek 475m 5.jpg
Tek 475m 6.jpg
Tek 475m 7.jpg
</gallery>
{{Custom ICs|475}}
{{Custom ICs|475A}}


[[Category:400 series scopes]]
[[Category:400 series scopes]]
Zenwizard
77

edits

Retrieved from "https://w140.com/tekwiki/wiki/Special:MobileDiff/52711...81187"

Navigation menu