User talk:Rubasch

7000 Overview Table

Hi, I've extended the table a bit, what do you say?

Is writing speed in cm/μs not a cleaner spec than div/μs?

Can you add the digitizers please?

--Peter (talk) 08:11, 20 September 2023 (PDT)

• Mostly I found div/µs, that's why I used it. but we can change it of course.
• Done the digitizer. Kinda. Maybe they belong in another table with better fitting details (sample rate, resolution, etc.)
• Barrytech said there is no R7704A http://www.barrytech.com/tektronix/tek7000/tekr7704.html. should we delete it?

checked in catalogs - the R7704 remained non-A and was available until 1985 -- Peter

• about the 7603: what is "some" cooling? :-)

some models, as noted on the page --Peter

• are you sure with the 7623B writing speed? should it not more like the 7633?

spec from 1991 catalog, p.68 --Peter

I love the table! I came here to mention that I have a 7704A with a cooling fan - but you also have the question re the 7603. The weirdest thing is that the 7704A service manual makes no mention of a fan! This led me down a bit of a rabbit hole of reading... I'd not be surprised if some 7603s had cooling fans. I thought that there might have been a period they tried some fans before Tek change from linear PSUs to the more efficient switching PSUs - I've found no data. Qfissler (talk) 12:24, 20 September 2023 (PDT)

I've condensed the writing speed columns into two less, and added some of the missing data from my notes. --Peter (talk) 10:12, 21 September 2023 (PDT)

Looks a lot better! Thank you for your effort. --Rubasch (talk) 00:07, 22 September 2023 (PDT)

On the page 7000-series scopes there are production dates for the digitizers. But there is no source for that information... --Rubasch (talk) 10:59, 22 September 2023 (PDT)

7000 Time Table

7000 time table

Scope	Bandwith [MHz]	Years of Sales	Start of Sales	End of Sales	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992
																													7313	25	8	1972	1979				1	1	1	1	1	1	1	1
7403N	65	6	1970	1975		1	1	1	1	1	1
R7403N	65	5	1971	1975			1	1	1	1	1
7503	90	3	1970	1972		1	1	1
7504	90	3	1969	1971	1	1	1
7514	90	5	1970	1974		1	1	1	1	1
7603	100	19	1972	1990				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
R7603	100	18	1973	1990					1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7613	100	19	1972	1990				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
R7613	100	18	1973	1990					1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7623(A,B)	100	4	1972	1992							A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	B	B
7623	100	4	1972	1975				1	1	(-)	1
R7623	100	2	1973	1974					1	1
7623A	100	16	1975	1990							1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
R7623A	100	17	1975	1991							1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7623B	100	2	1991	1992																							B	B
R7623B	100	2	1991	1992																							B	B
7633	100	16	1975	1990							1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
R7633	100	16	1975	1990							1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7704	150	4	1969	1972	1	1	1	1
R7704	150	16	1970	1985		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7704A	200	16	1972	1987				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7834	400	10	1977	1986									1	1	1	1	1	1	1	1	1	1
7844	400	15	1974	1988						1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
R7844	400	18	1975	1992							1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
7854	400	11	1980	1990												1	1	1	1	1	1	1	1	1	1	1
7904	500	13	1971	1983			19,500 $	1	1	1	20,300 $	1	1	1	21,400 $	1	1	1	1
R7903	500	9	1974	1982						1	1	1	1	1	1	1	1	1
7904A	500	7	1984	1990																1	1	1	1	1	1	1
7934	500	4	1987	1990																			1	1	1	1
7104	1000	13	1978	1990										1	1	1	1	1	1	1	1	1	1	1	1	1
R7103	1000	6	1985	1990																	1	1	1	1	1	1
7D20	70	11	1982	1992														1	1	1	1	1	1	1	1	1	1	1
7612D	90	9	1980	1988												1	1	1	1	1	1	1	1	1
R7912	500	6	1973	1978					1	1	1	1	1	1
7912AD	500	10	1978	1987										1	1	1	1	1	1	1	1	1	1
7912HB	750	3	1987	1989																			1	1	1
P7001	175	9	1973	1981					1	1	1	1	1	1	1	1	1

No Storage

Analog Storage

Digital Storage

Dual Beam

Unknown

Quick edit in the table generator:

No Storage

Analog Storage

Digital Storage

Dual Beam

Unknown

What do think about condensing the information like in the example I have added above, 7623 (A,B)?

--Peter (talk) 03:36, 19 October 2023 (PDT)

I like it - but in that form, it loses a little bit of info where the 7623 with no suffix was available while the 7623A was also available - it's easy combining A and B by comma separating - but a null suffix... how would we show that? Hmmm - I tried (-) - just to show what I mean. Qfissler (talk) 04:48, 19 October 2023 (PDT)

I also thought about combining scopes like the 7834--> 7934 but not sure if it still makes sense. Right now have not a lot of time for this. So everybody feel free to edit! --Rubasch (talk) 05:30, 19 October 2023 (PDT)

We know from catalogs or announcements in ads, articles in TekScope etc. when new models came out. There is no comparable hard info on discontinuation - mostly this comes from models no longer appearing in catalogs. I think it is therefore not meaningful to infer from the model pages that there was any sort of overlap - at some time in 1991 you got a 7623B, whether there's a theoretical choice that you could have requested a 7623A as well is not substantiated by the information we have collected – therefore the box for the first year when the newer model came out would simply show that, i.e. 1991 shows "B". I also find the "(-)" symbol very awkward. The colored box says the model was available in that year, the fact that there is no suffix in that box says it's the base model. Thirdly, I would only combine suffixes, not different models. Just my opinion in the "keep it simple" spirit. --Peter (talk) 06:37, 19 October 2023 (PDT)

Thanks - yeah - I just chose a random thing - but your explanation makes it clear that we don't need to worry about that null suffix at all. Qfissler (talk) 07:04, 19 October 2023 (PDT)

Maybe also put the R-Versions in?

Strange. As soon as I put this comment to the article, one row loses it colours (only) in the preview --13:07, 19 October 2023 (PDT)

I think it's because that row uses CSS and fails in preview for me, too.Qfissler (talk) 15:24, 19 October 2023 (PDT)

My idea was something more like the 7904 (sorry for messing up the table). Then the sorting by year would make more sense: which was the most expensive device in that year. You could see how prices develop. Problem: I used the prices "2022 Dollar". this will be no use in a few years. AND its a lot of work. So, any guess how the table can be kept up to date with litle work? Greetings --Rubasch (talk) 07:37, 25 October 2023 (PDT)

TM500 Multi-Meter

Name	Sale		Digits	True RMS	Voltage												Current					Resistance								Temperature	Diode Test	Rear Input	Auto Range	Rear Interface
	Start	End			Ranges DC [V]					Ranges AC [V]					dB		Ranges AC/DC [mA]					Ranges [kΩ]							HI/LO
DM501	1972	1980	4.5	-	-	2	20	200	1,000	-	2	20	200	500	-		-	2	20	200	2,000	-	2	20	200	2,000	20,000	-	-	NPN	-	YES	-	BCD out
DM501A	1980	1984	4.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	YES	Pt-100	-	YES	-	-
DM502	1975	1980	3.5	-	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	-	NPN	-	YES	-	BCD out
DM502A	1980	1988	3.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	YES	Pt-100	-	YES	YES	-
DM504A	1989	?	4.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	-	Pt-100	(YES)	-	YES	-
DM505	1980	?	3.5	-	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	-	-	YES	-	-	YES	-	-
DM511	1990	?	4.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	-	Pt-100	-	YES	YES	-
DM5010	1982	?	4.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	700	YES		-	-	-	-	-	0.2	2	20	200	2,000	20,000	-	-	-	YES	YES	YES	GPIB
DM5110	1990	?	4.5	YES	0.2	2	20	200	1,000	0.2	2	20	200	500	YES		0.2	2	20	200	2,000	0.2	2	20	200	2,000	20,000	-	-	Pt-100	-	YES	YES	GPIB
DM5120	1989	1991	6.5	YES	0.3	3	30	300	-	0.3	3	30	300	-	YES		0.3	3	30	300	3,000	0.3	3	30	300	3,000	30,000	300,000	-	-	-	-	YES	GPIB