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1A1: Difference between revisions
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The '''Tektronix Type 1A1''' plug-in for the [[500-series scopes]] has two channels and a -3 dB point of 50 MHz at 50 mV/Div, 28 MHz at 5 mV/Div, and 2 Hz to 15 MHz at 500 μV/Div when channels 1 and 2 are cascaded. | The '''Tektronix Type 1A1''' plug-in for the [[500-series scopes]] has two channels and a -3 dB point of 50 MHz at 50 mV/Div, 28 MHz at 5 mV/Div, and 2 Hz to 15 MHz at 500 μV/Div when channels 1 and 2 are cascaded. | ||
There were three distinct versions of 1A1. | |||
and [[rotary_input_switch|rotary input switches]] that were concentric | * The first version, from 1964 to 1966, has a [[Nuvistor]] front-end, and [[rotary_input_switch|rotary input switches]] that were concentric with the [[BNC]] jacks. The knobs to invert the input channels are concentric with the the vertical position knobs. | ||
with the [[BNC]] jacks, | * The second version, from 1966 to ??? has fluted round V/cm knobs, and lever switches. The channel inversion control is an organ-style pull-push knob. | ||
* The third model, from ??? until the end has four-sided V/cm knobs and a FET front-end. | |||
Type 1A1 uses the "ALT SWEEP SLAVE PULSE" signal that is sent by scopes on pin 7 of the plug-in connector. | Type 1A1 uses the "ALT SWEEP SLAVE PULSE" signal that is sent by scopes on pin 7 of the plug-in connector. | ||
In a Type [[547]] mainframe, | In a Type [[547]] mainframe, | ||