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1M1: Difference between revisions
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used for calibrating [[500-series scopes]]. | used for calibrating [[500-series scopes]]. | ||
It is a multifunction replacement for the [[P|Type P Pulser]], the [[TU-2|TU-2 Test Load]], and the [[EP-53|EP-53 Gain Set Adaptor]]. | It is a multifunction replacement for the [[P|Type P Pulser]], the [[TU-2|TU-2 Test Load]], | ||
and the [[EP-53|EP-53 Gain Set Adaptor]]. | |||
It is used for calibrating the mainframe's step response and gain, checking | It is used for calibrating the mainframe's step response and gain, | ||
dual-trace operation, common mode rejection, and power supply regulation. | checking dual-trace operation, common mode rejection, and power supply regulation. | ||
(500-series mainframes are designed to have 10 div/Volt response to differential signals from the plug-in, and zero response to common-mode signals.) | (500-series mainframes are designed to have | ||
10 div/Volt response to differential signals from the plug-in, | |||
and zero response to common-mode signals.) | |||
It contains a transistor multivibrator | It contains a transistor multivibrator whose output is sharpened | ||
whose output is sharpened through Tek-made Gallium-Arsenide diodes (later production used silicon), | through Tek-made Gallium-Arsenide diodes (later production used silicon), | ||
a dual-trace circuit using [[12AT7]] and [[6AL5]] tubes, and various load resistors. | a dual-trace circuit using [[12AT7]] and [[6AL5]] tubes, and various load resistors. | ||
It does not have the Type P's short operating life | It does not have the Type P's short operating life because it does not use a [[mercury switch]]. | ||
This instrument went through several names. | This instrument went through several names. | ||
Some early Tek-internal instruments for design, manufacturing, and calibration had TU (Test Unit) nomenclature. | At its [[introduced in 1964|1964]] introduction, it was the '''TU-7'''. | ||
(Other examples include the [[TU-75B]] Variac, the TU-?? dim-bulb fixture, and the [[TU-50]] sine/square/pulse generator.) | Some early Tek-internal instruments for design, | ||
manufacturing, and calibration had TU (Test Unit) nomenclature. | |||
(Other examples include the [[TU-75B]] Variac, the TU-?? dim-bulb fixture, | |||
and the [[TU-50]] sine/square/pulse generator.) | |||
In 1965, it was renamed '''Type 1M1''' to fit into the letter-series nomenclature like its predecessor. | In 1965, it was renamed '''Type 1M1''' to fit into the letter-series nomenclature like its predecessor. | ||
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<gallery> | <gallery> | ||
067-0521-00 1.JPG | |||
Tek 1m1 front.jpg | |||
Tek 1m1 right.jpg | |||
Tek 1m1 left.jpg | |||
Tek tu-7 c1.jpg|TU-7 variant with five repetition rates | Tek tu-7 c1.jpg|TU-7 variant with five repetition rates | ||
Tek tu-7 c2.jpg|TU-7 variant with five repetition rates | Tek tu-7 c2.jpg|TU-7 variant with five repetition rates | ||