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The '''Tektronix Type M''' is a four-channel plug-in for [[500-series scopes]]. | The '''Tektronix Type M''' is a four-channel plug-in for [[500-series scopes]]. | ||
Early versions had [[ | Early versions had [[UHF connector]]s for the inputs. | ||
Later versions have [[ | Later versions have [[BNC connector]]s for the inputs. | ||
Type M was [[introduced in 1962]], along with the Type [[O]], and dropped after 1971 or 1972. | |||
{{MissingSpecs}} | |||
The risetime is 17 nanoseconds, bandwidth is DC to 20 MHz. | The risetime is 17 nanoseconds, bandwidth is DC to 20 MHz. | ||
Maximum sensitivity is 20 mV/div. | Maximum sensitivity is 20 mV/div. | ||
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operate in CHOP or ALT mode. | operate in CHOP or ALT mode. | ||
==Internals== | |||
Each input goes through a step attenuator, | Each input goes through a step attenuator, | ||
is clamped by a neon bulb, | is clamped by a neon bulb, | ||
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as a cathode follower to drive the output | as a cathode follower to drive the output | ||
with a relatively low impedance. | with a relatively low impedance. | ||
==Pictures == | ==Pictures == | ||
<gallery> | <gallery> | ||
File:Type_m_front.jpg|Late Type M Front view. | |||
File:Type_m_left.jpg|Late Type M Left view. | |||
File:Type_m_right.jpg|Late Type M Right view | |||
File:Tek_early_m_front.jpg|Early Type M Front | File:Tek_early_m_front.jpg|Early Type M Front | ||
File:Tek early m left.jpg|Early Type M Left | File:Tek early m left.jpg|Early Type M Left | ||
File:Tek early m right.jpg|Early Type M Right | File:Tek early m right.jpg|Early Type M Right | ||
</gallery> | </gallery> | ||
[[Category:500 series plugins]] | |||