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Can anybody reading this shed light on why the TR-1 used germanium NPN transistors but a few years later virtually all germanium transistors were PNPs? BrianDGregory ( talk) 14:02, 23 May 2010 (UTC)
An article ( http://www2.electronicproducts.com/What_s_It_Worth_Vintage_transistor_radios-article-fasj_worth_feb2012-html.aspx) says:
"Introduced in October of 1954, the Regency model TR-1 was the first widely marketed transistor radio. Developed by both Regency and Texas Instruments, the Regency TR-1 used four germanium transistors, which allowed the small 22.5-V battery to last for more than 20 hours. It differed from other prototypes in that due to its circuit design, hand selection of transistors for each individual radio was not necessary. This lead to higher production levels and lower production costs and made the price to the consumer affordable."
This contradicts the Wiki article. 194.72.120.131 ( talk) 08:32, 4 May 2012 (UTC)
It would be interesting to add the total number produced, and when manufacture finished, if they are known.
Baska436 ( talk) 23:30, 18 October 2012 (UTC)
I was wondering the same thing myself. — Preceding unsigned comment added by 98.82.127.122 ( talk) 23:57, 18 October 2012 (UTC)
I've not seen this on WP, but for a device this old (and with performance issues), why not show the entire circuit schematic? Is this still patented? Seems like somebody out there knows exactly how it was constructed. There are no integrated circuits at the time. so why not? -- 2600:6C48:7006:200:B056:6066:1296:EF0B ( talk) 00:53, 18 October 2020 (UTC)
Why used this radio such a high voltage and why use later-built transistor radios lower voltage levels? — Preceding unsigned comment added by 2003:DF:1F1A:A715:537:139:56BA:95C3 ( talk) 14:11, 18 October 2020 (UTC)
Yes this is not a forum for general discussion, but I try to give some benefit of the doubt, with some discussions leading to article improvements. Questions about transistor technology and how easy or hard it was to design and produce the TR-1 don't seem so far off to me. Also, they might lead to improvements in other pages. (Yes I know that isn't the idea, but it does happen.) Gah4 ( talk) 20:30, 22 October 2020 (UTC)
![]() | A fact from this article was featured on Wikipedia's Main Page in the On this day section on October 18, 2012. |
![]() | This page is not a forum for general discussion about Regency TR-1. Any such comments may be removed or refactored. Please limit discussion to improvement of this article. You may wish to ask factual questions about Regency TR-1 at the Reference desk. |
![]() | This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
|
Can anybody reading this shed light on why the TR-1 used germanium NPN transistors but a few years later virtually all germanium transistors were PNPs? BrianDGregory ( talk) 14:02, 23 May 2010 (UTC)
An article ( http://www2.electronicproducts.com/What_s_It_Worth_Vintage_transistor_radios-article-fasj_worth_feb2012-html.aspx) says:
"Introduced in October of 1954, the Regency model TR-1 was the first widely marketed transistor radio. Developed by both Regency and Texas Instruments, the Regency TR-1 used four germanium transistors, which allowed the small 22.5-V battery to last for more than 20 hours. It differed from other prototypes in that due to its circuit design, hand selection of transistors for each individual radio was not necessary. This lead to higher production levels and lower production costs and made the price to the consumer affordable."
This contradicts the Wiki article. 194.72.120.131 ( talk) 08:32, 4 May 2012 (UTC)
It would be interesting to add the total number produced, and when manufacture finished, if they are known.
Baska436 ( talk) 23:30, 18 October 2012 (UTC)
I was wondering the same thing myself. — Preceding unsigned comment added by 98.82.127.122 ( talk) 23:57, 18 October 2012 (UTC)
I've not seen this on WP, but for a device this old (and with performance issues), why not show the entire circuit schematic? Is this still patented? Seems like somebody out there knows exactly how it was constructed. There are no integrated circuits at the time. so why not? -- 2600:6C48:7006:200:B056:6066:1296:EF0B ( talk) 00:53, 18 October 2020 (UTC)
Why used this radio such a high voltage and why use later-built transistor radios lower voltage levels? — Preceding unsigned comment added by 2003:DF:1F1A:A715:537:139:56BA:95C3 ( talk) 14:11, 18 October 2020 (UTC)
Yes this is not a forum for general discussion, but I try to give some benefit of the doubt, with some discussions leading to article improvements. Questions about transistor technology and how easy or hard it was to design and produce the TR-1 don't seem so far off to me. Also, they might lead to improvements in other pages. (Yes I know that isn't the idea, but it does happen.) Gah4 ( talk) 20:30, 22 October 2020 (UTC)