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TM503: Difference between revisions
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{{TM500 mainframe| | {{TM500 mainframe | ||
mfg=Tektronix| | |mfg=Tektronix | ||
type=TM503| | |type=TM503 | ||
function=three-bay mainframe| | |function=three-bay mainframe | ||
image=Tek pg501 sc502.jpg| | |image=Tek pg501 sc502.jpg | ||
introduced=1972| | |introduced=1972 | ||
discontinued=(?)| | |discontinued=(?) | ||
manuals= | |designers=Gunther Engert;Roger Stenbock | ||
|manuals= | |||
'''TM503''' | '''TM503''' | ||
* [[Media:070-1305-00.pdf|TM503 Instruction Manual 070-1305-00]] | * [[Media:070-1305-00.pdf|TM503 Instruction Manual 070-1305-00]] | ||
* [ | * [https://w140.com/tm503.pdf TM503 Technical Manual] (US Army) | ||
'''TM503A''' | '''TM503A''' | ||
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The '''TM503B''' retains the power switch position and changes the handle material to plastic. It also allows the power supply/backplane part to be removed from the case so that modules to be repaired on the bench without using extenders (see link below). It also has openings for the [[TM5000]] GPIB feature, but not the connectors nor the power good signal for TM5000 plugins. | The '''TM503B''' retains the power switch position and changes the handle material to plastic. It also allows the power supply/backplane part to be removed from the case so that modules to be repaired on the bench without using extenders (see link below). It also has openings for the [[TM5000]] GPIB feature, but not the connectors nor the power good signal for TM5000 plugins. | ||
==Option 2== | {{MissingSpecs}} | ||
===Option 2=== | |||
Option 2 adds internal pin headers for each slot as well as rear 50-pin and BNC connectors, allowing for custom wiring to, from and between plugins. | Option 2 adds internal pin headers for each slot as well as rear 50-pin and BNC connectors, allowing for custom wiring to, from and between plugins. | ||
On the standard TM503, cutouts for three BNC sockets have been made in the rear frame, meaning that the user only needs to drill holes in the rear cover plate to install the sockets. | On the standard TM503, cutouts for three BNC sockets have been made in the rear frame, meaning that the user only needs to drill holes in the rear cover plate to install the sockets. | ||
==Option 7== | ===Option 7=== | ||
Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between | Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between a [[DC502|DC502 Opt.7]] to a [[TR502]] or [[SW503]], such that the center or marker frequency of a sweep can be read of the DC502. | ||
==Links== | ==Links== | ||
* See [[TM503/Repairs|Repairs page]] for video and replacement PCBs | |||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/TM503B/TM503B.html TM503B @ amplifier.cd] | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/TM503B/TM503B.html TM503B @ amplifier.cd] | ||
* [https://paulcarbone.com/blog/tektronix-tm-503-repair/ TM503 repair @ paulcarbone.com] | * [https://paulcarbone.com/blog/tektronix-tm-503-repair/ TM503 repair @ paulcarbone.com] | ||
* [https://www.electronicdesign.com/technologies/test-measurement/article/21137778/the-tektronix-function-generator-teardown The Tektronix Function Generator Teardown] - Paul Rako @ electronicdesign.com | * [https://www.electronicdesign.com/technologies/test-measurement/article/21137778/the-tektronix-function-generator-teardown The Tektronix Function Generator Teardown] - Paul Rako @ electronicdesign.com | ||
{{Documents|Link=TM503}} | |||
{{Documents|Link=TM503A}} | |||
{{Documents|Link=TM503B}} | |||
==Internals== | |||
The [[TM500 and TM5000 pass transistors|pass transistors]] on the low-power compartments are MJE2901 (151-0373-00, PNP) / MJE2801 (151-0349-00, NPN) − 60 V, 10 A, h<sub>fE</sub> 25 - 100. | |||
==Pictures== | ==Pictures== | ||
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Tek_tm503b_extender02.jpg | Using a TM503B for repairing plugins | Tek_tm503b_extender02.jpg | Using a TM503B for repairing plugins | ||
</gallery> | </gallery> | ||
===Schematics=== | |||
<gallery> | <gallery> | ||
TM503-schematic.png | TM503 schematic | TM503-schematic.png | TM503 schematic | ||